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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-01-13 22:35:32 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-01-13 22:35:32 -0800
commit4116941b7a703f8c770998bb3a59966608cb5bb2 (patch)
tree32945b644b69e3fd1a9ba8cd7369cf62abc44ccd /drivers/input
parente85bb0beb6498c0dffe18a2f1f16d575bc175c32 (diff)
parent8fe28cb58bcb235034b64cbbb7550a8a43fd88be (diff)
Merge tag 'v4.20' into next
Merge with mainline to bring in the new APIs.
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/Kconfig4
-rw-r--r--drivers/input/evdev.c1
-rw-r--r--drivers/input/input-leds.c3
-rw-r--r--drivers/input/input-mt.c2
-rw-r--r--drivers/input/joystick/Kconfig14
-rw-r--r--drivers/input/joystick/iforce/Kconfig4
-rw-r--r--drivers/input/joystick/joydump.c2
-rw-r--r--drivers/input/joystick/walkera0701.c2
-rw-r--r--drivers/input/joystick/xpad.c17
-rw-r--r--drivers/input/keyboard/Kconfig11
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/atakbd.c74
-rw-r--r--drivers/input/keyboard/atkbd.c2
-rw-r--r--drivers/input/keyboard/cap11xx.c3
-rw-r--r--drivers/input/keyboard/clps711x-keypad.c4
-rw-r--r--drivers/input/keyboard/cros_ec_keyb.c3
-rw-r--r--drivers/input/keyboard/hilkbd.c6
-rw-r--r--drivers/input/keyboard/matrix_keypad.c29
-rw-r--r--drivers/input/keyboard/mtk-pmic-keys.c339
-rw-r--r--drivers/input/keyboard/omap4-keypad.c37
-rw-r--r--drivers/input/keyboard/samsung-keypad.c2
-rw-r--r--drivers/input/matrix-keymap.c4
-rw-r--r--drivers/input/misc/Kconfig4
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c14
-rw-r--r--drivers/input/misc/rotary_encoder.c6
-rw-r--r--drivers/input/misc/uinput.c3
-rw-r--r--drivers/input/mouse/Kconfig6
-rw-r--r--drivers/input/mouse/alps.c2
-rw-r--r--drivers/input/mouse/elan_i2c.h2
-rw-r--r--drivers/input/mouse/elan_i2c_core.c10
-rw-r--r--drivers/input/mouse/elan_i2c_smbus.c12
-rw-r--r--drivers/input/mouse/elantech.c31
-rw-r--r--drivers/input/mouse/psmouse-base.c12
-rw-r--r--drivers/input/mouse/synaptics.c4
-rw-r--r--drivers/input/mousedev.c1
-rw-r--r--drivers/input/rmi4/rmi_driver.c9
-rw-r--r--drivers/input/rmi4/rmi_f11.c15
-rw-r--r--drivers/input/rmi4/rmi_f12.c15
-rw-r--r--drivers/input/rmi4/rmi_f54.c2
-rw-r--r--drivers/input/rmi4/rmi_spi.c9
-rw-r--r--drivers/input/serio/Kconfig4
-rw-r--r--drivers/input/serio/ams_delta_serio.c198
-rw-r--r--drivers/input/serio/hyperv-keyboard.c5
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h7
-rw-r--r--drivers/input/serio/i8042.c29
-rw-r--r--drivers/input/serio/serport.c2
-rw-r--r--drivers/input/touchscreen/Kconfig13
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/egalax_ts.c6
-rw-r--r--drivers/input/touchscreen/migor_ts.c15
-rw-r--r--drivers/input/touchscreen/resistive-adc-touch.c204
-rw-r--r--drivers/input/touchscreen/rohm_bu21023.c4
-rw-r--r--drivers/input/touchscreen/silead.c1
-rw-r--r--drivers/input/touchscreen/st1232.c12
-rw-r--r--drivers/input/touchscreen/ti_am335x_tsc.c22
-rw-r--r--drivers/input/touchscreen/tsc200x-core.c3
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c2
57 files changed, 933 insertions, 316 deletions
diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig
index ff8037798779..c5992cd195a1 100644
--- a/drivers/input/Kconfig
+++ b/drivers/input/Kconfig
@@ -16,7 +16,7 @@ config INPUT
Say N here if you have a headless (no monitor, no keyboard) system.
- More information is available: <file:Documentation/input/input.txt>
+ More information is available: <file:Documentation/input/input.rst>
If unsure, say Y.
@@ -144,7 +144,7 @@ config INPUT_JOYDEV
If unsure, say Y.
- More information is available: <file:Documentation/input/joystick.txt>
+ More information is available: <file:Documentation/input/joydev/joystick.rst>
To compile this driver as a module, choose M here: the
module will be called joydev.
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 370206f987f9..f48369d6f3a0 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -564,6 +564,7 @@ static ssize_t evdev_write(struct file *file, const char __user *buffer,
input_inject_event(&evdev->handle,
event.type, event.code, event.value);
+ cond_resched();
}
out:
diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c
index 5f04b2d94635..99cc784e1264 100644
--- a/drivers/input/input-leds.c
+++ b/drivers/input/input-leds.c
@@ -98,8 +98,7 @@ static int input_leds_connect(struct input_handler *handler,
if (!num_leds)
return -ENXIO;
- leds = kzalloc(sizeof(*leds) + num_leds * sizeof(*leds->leds),
- GFP_KERNEL);
+ leds = kzalloc(struct_size(leds, leds, num_leds), GFP_KERNEL);
if (!leds)
return -ENOMEM;
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index 4a69716e5461..6c7326c93721 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -49,7 +49,7 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
if (mt)
return mt->num_slots != num_slots ? -EINVAL : 0;
- mt = kzalloc(sizeof(*mt) + num_slots * sizeof(*mt->slots), GFP_KERNEL);
+ mt = kzalloc(struct_size(mt, slots, num_slots), GFP_KERNEL);
if (!mt)
goto err_mem;
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
index 9591fc04a8ab..d8f9c6e1fc08 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -9,7 +9,7 @@ menuconfig INPUT_JOYSTICK
and the list of supported devices will be displayed. This option
doesn't affect the kernel.
- Please read the file <file:Documentation/input/joystick.txt> which
+ Please read the file <file:Documentation/input/joydev/joystick.rst> which
contains more information.
if INPUT_JOYSTICK
@@ -25,7 +25,7 @@ config JOYSTICK_ANALOG
Flightstick Pro, ThrustMaster FCS, 6 and 8 button gamepads, or
Saitek Cyborg joysticks.
- Please read the file <file:Documentation/input/joystick.txt> which
+ Please read the file <file:Documentation/input/joydev/joystick.rst> which
contains more information.
To compile this driver as a module, choose M here: the
@@ -214,7 +214,7 @@ config JOYSTICK_DB9
gamepad, Sega Saturn gamepad, or a Multisystem -- Atari, Amiga,
Commodore, Amstrad CPC joystick connected to your parallel port.
For more information on how to use the driver please read
- <file:Documentation/input/joystick-parport.txt>.
+ <file:Documentation/input/devices/joystick-parport.rst>.
To compile this driver as a module, choose M here: the
module will be called db9.
@@ -229,7 +229,7 @@ config JOYSTICK_GAMECON
Sony PlayStation gamepad or a Multisystem -- Atari, Amiga,
Commodore, Amstrad CPC joystick connected to your parallel port.
For more information on how to use the driver please read
- <file:Documentation/input/joystick-parport.txt>.
+ <file:Documentation/input/devices/joystick-parport.rst>.
To compile this driver as a module, choose M here: the
module will be called gamecon.
@@ -241,7 +241,7 @@ config JOYSTICK_TURBOGRAFX
Say Y here if you have the TurboGraFX interface by Steffen Schwenke,
and want to use it with Multisystem -- Atari, Amiga, Commodore,
Amstrad CPC joystick. For more information on how to use the driver
- please read <file:Documentation/input/joystick-parport.txt>.
+ please read <file:Documentation/input/devices/joystick-parport.rst>.
To compile this driver as a module, choose M here: the
module will be called turbografx.
@@ -287,7 +287,7 @@ config JOYSTICK_XPAD
and/or "Event interface support" (CONFIG_INPUT_EVDEV) as well.
For information about how to connect the X-Box pad to USB, see
- <file:Documentation/input/xpad.txt>.
+ <file:Documentation/input/devices/xpad.rst>.
To compile this driver as a module, choose M here: the
module will be called xpad.
@@ -313,7 +313,7 @@ config JOYSTICK_WALKERA0701
Say Y or M here if you have a Walkera WK-0701 transmitter which is
supplied with a ready to fly Walkera helicopters such as HM36,
HM37, HM60 and want to use it via parport as a joystick. More
- information is available: <file:Documentation/input/walkera0701.txt>
+ information is available: <file:Documentation/input/devices/walkera0701.rst>
To compile this driver as a module, choose M here: the
module will be called walkera0701.
diff --git a/drivers/input/joystick/iforce/Kconfig b/drivers/input/joystick/iforce/Kconfig
index 8fde22a021b3..ab4dbcbcbf50 100644
--- a/drivers/input/joystick/iforce/Kconfig
+++ b/drivers/input/joystick/iforce/Kconfig
@@ -27,6 +27,6 @@ config JOYSTICK_IFORCE_232
connected to your serial (COM) port.
You will need an additional utility called inputattach, see
- <file:Documentation/input/joystick.txt>
- and <file:Documentation/input/ff.txt>.
+ <file:Documentation/input/joydev/joystick.rst>
+ and <file:Documentation/input/ff.rst>.
diff --git a/drivers/input/joystick/joydump.c b/drivers/input/joystick/joydump.c
index 2ea05ade4d4e..344ab44ff581 100644
--- a/drivers/input/joystick/joydump.c
+++ b/drivers/input/joystick/joydump.c
@@ -76,7 +76,7 @@ static int joydump_connect(struct gameport *gameport, struct gameport_driver *dr
timeout = gameport_time(gameport, 10000); /* 10 ms */
- buf = kmalloc(BUF_SIZE * sizeof(struct joydump), GFP_KERNEL);
+ buf = kmalloc_array(BUF_SIZE, sizeof(struct joydump), GFP_KERNEL);
if (!buf) {
printk(KERN_INFO "joydump: no memory for testing\n");
goto jd_end;
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index 36a5b93156ed..dce313dc260a 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2008 Peter Popovec
*
- * More about driver: <file:Documentation/input/walkera0701.txt>
+ * More about driver: <file:Documentation/input/devices/walkera0701.rst>
*/
/*
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 48e36acbeb49..cfc8b94527b9 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -125,7 +125,7 @@ static const struct xpad_device {
u8 mapping;
u8 xtype;
} xpad_device[] = {
- { 0x0079, 0x18d4, "GPD Win 2 Controller", 0, XTYPE_XBOX360 },
+ { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
{ 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
@@ -231,6 +231,7 @@ static const struct xpad_device {
{ 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
+ { 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
@@ -479,18 +480,18 @@ static const u8 xboxone_hori_init[] = {
};
/*
- * This packet is required for some of the PDP pads to start
+ * This packet is required for most (all?) of the PDP pads to start
* sending input reports. These pads include: (0x0e6f:0x02ab),
- * (0x0e6f:0x02a4).
+ * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
*/
static const u8 xboxone_pdp_init1[] = {
0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14
};
/*
- * This packet is required for some of the PDP pads to start
+ * This packet is required for most (all?) of the PDP pads to start
* sending input reports. These pads include: (0x0e6f:0x02ab),
- * (0x0e6f:0x02a4).
+ * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
*/
static const u8 xboxone_pdp_init2[] = {
0x06, 0x20, 0x00, 0x02, 0x01, 0x00
@@ -526,10 +527,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
- XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init1),
- XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2),
- XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init1),
- XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init2),
+ XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1),
+ XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2),
XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 2b469cc47a78..4713957b0cbb 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -721,7 +721,7 @@ config KEYBOARD_CROS_EC
help
Say Y here to enable the matrix keyboard used by ChromeOS devices
and implemented on the ChromeOS EC. You must enable one bus option
- (MFD_CROS_EC_I2C or MFD_CROS_EC_SPI) to use this.
+ (CROS_EC_I2C or CROS_EC_SPI) to use this.
To compile this driver as a module, choose M here: the
module will be called cros_ec_keyb.
@@ -747,4 +747,13 @@ config KEYBOARD_BCM
To compile this driver as a module, choose M here: the
module will be called bcm-keypad.
+config KEYBOARD_MTK_PMIC
+ tristate "MediaTek PMIC keys support"
+ depends on MFD_MT6397
+ help
+ Say Y here if you want to use the pmic keys (powerkey/homekey).
+
+ To compile this driver as a module, choose M here: the
+ module will be called pmic-keys.
+
endif
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 8fab920afa58..182e92985dbf 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o
obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o
obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o
obj-$(CONFIG_KEYBOARD_MPR121) += mpr121_touchkey.o
+obj-$(CONFIG_KEYBOARD_MTK_PMIC) += mtk-pmic-keys.o
obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
obj-$(CONFIG_KEYBOARD_NOMADIK) += nomadik-ske-keypad.o
obj-$(CONFIG_KEYBOARD_NSPIRE) += nspire-keypad.o
diff --git a/drivers/input/keyboard/atakbd.c b/drivers/input/keyboard/atakbd.c
index 6f62da2909ec..6caee807cafa 100644
--- a/drivers/input/keyboard/atakbd.c
+++ b/drivers/input/keyboard/atakbd.c
@@ -75,8 +75,7 @@ MODULE_LICENSE("GPL");
*/
-static unsigned char atakbd_keycode[0x72] = { /* American layout */
- [0] = KEY_GRAVE,
+static unsigned char atakbd_keycode[0x73] = { /* American layout */
[1] = KEY_ESC,
[2] = KEY_1,
[3] = KEY_2,
@@ -117,9 +116,9 @@ static unsigned char atakbd_keycode[0x72] = { /* American layout */
[38] = KEY_L,
[39] = KEY_SEMICOLON,
[40] = KEY_APOSTROPHE,
- [41] = KEY_BACKSLASH, /* FIXME, '#' */
+ [41] = KEY_GRAVE,
[42] = KEY_LEFTSHIFT,
- [43] = KEY_GRAVE, /* FIXME: '~' */
+ [43] = KEY_BACKSLASH,
[44] = KEY_Z,
[45] = KEY_X,
[46] = KEY_C,
@@ -145,45 +144,34 @@ static unsigned char atakbd_keycode[0x72] = { /* American layout */
[66] = KEY_F8,
[67] = KEY_F9,
[68] = KEY_F10,
- [69] = KEY_ESC,
- [70] = KEY_DELETE,
- [71] = KEY_KP7,
- [72] = KEY_KP8,
- [73] = KEY_KP9,
+ [71] = KEY_HOME,
+ [72] = KEY_UP,
[74] = KEY_KPMINUS,
- [75] = KEY_KP4,
- [76] = KEY_KP5,
- [77] = KEY_KP6,
+ [75] = KEY_LEFT,
+ [77] = KEY_RIGHT,
[78] = KEY_KPPLUS,
- [79] = KEY_KP1,
- [80] = KEY_KP2,
- [81] = KEY_KP3,
- [82] = KEY_KP0,
- [83] = KEY_KPDOT,
- [90] = KEY_KPLEFTPAREN,
- [91] = KEY_KPRIGHTPAREN,
- [92] = KEY_KPASTERISK, /* FIXME */
- [93] = KEY_KPASTERISK,
- [94] = KEY_KPPLUS,
- [95] = KEY_HELP,
+ [80] = KEY_DOWN,
+ [82] = KEY_INSERT,
+ [83] = KEY_DELETE,
[96] = KEY_102ND,
- [97] = KEY_KPASTERISK, /* FIXME */
- [98] = KEY_KPSLASH,
+ [97] = KEY_UNDO,
+ [98] = KEY_HELP,
[99] = KEY_KPLEFTPAREN,
[100] = KEY_KPRIGHTPAREN,
[101] = KEY_KPSLASH,
[102] = KEY_KPASTERISK,
- [103] = KEY_UP,
- [104] = KEY_KPASTERISK, /* FIXME */
- [105] = KEY_LEFT,
- [106] = KEY_RIGHT,
- [107] = KEY_KPASTERISK, /* FIXME */
- [108] = KEY_DOWN,
- [109] = KEY_KPASTERISK, /* FIXME */
- [110] = KEY_KPASTERISK, /* FIXME */
- [111] = KEY_KPASTERISK, /* FIXME */
- [112] = KEY_KPASTERISK, /* FIXME */
- [113] = KEY_KPASTERISK /* FIXME */
+ [103] = KEY_KP7,
+ [104] = KEY_KP8,
+ [105] = KEY_KP9,
+ [106] = KEY_KP4,
+ [107] = KEY_KP5,
+ [108] = KEY_KP6,
+ [109] = KEY_KP1,
+ [110] = KEY_KP2,
+ [111] = KEY_KP3,
+ [112] = KEY_KP0,
+ [113] = KEY_KPDOT,
+ [114] = KEY_KPENTER,
};
static struct input_dev *atakbd_dev;
@@ -191,21 +179,15 @@ static struct input_dev *atakbd_dev;
static void atakbd_interrupt(unsigned char scancode, char down)
{
- if (scancode < 0x72) { /* scancodes < 0xf2 are keys */
+ if (scancode < 0x73) { /* scancodes < 0xf3 are keys */
// report raw events here?
scancode = atakbd_keycode[scancode];
- if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */
- input_report_key(atakbd_dev, scancode, 1);
- input_report_key(atakbd_dev, scancode, 0);
- input_sync(atakbd_dev);
- } else {
- input_report_key(atakbd_dev, scancode, down);
- input_sync(atakbd_dev);
- }
- } else /* scancodes >= 0xf2 are mouse data, most likely */
+ input_report_key(atakbd_dev, scancode, down);
+ input_sync(atakbd_dev);
+ } else /* scancodes >= 0xf3 are mouse data, most likely */
printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode);
return;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 7e75835e220f..850bb259c20e 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -841,7 +841,7 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra
if (param[0] != 3) {
param[0] = 2;
if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
- return 2;
+ return 2;
}
ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
index 1a1eacae3ea1..312916f99597 100644
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -357,8 +357,7 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client,
}
priv = devm_kzalloc(dev,
- sizeof(*priv) +
- cap->num_channels * sizeof(priv->keycodes[0]),
+ struct_size(priv, keycodes, cap->num_channels),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
diff --git a/drivers/input/keyboard/clps711x-keypad.c b/drivers/input/keyboard/clps711x-keypad.c
index 997e3e97f573..e319f745771a 100644
--- a/drivers/input/keyboard/clps711x-keypad.c
+++ b/drivers/input/keyboard/clps711x-keypad.c
@@ -109,8 +109,8 @@ static int clps711x_keypad_probe(struct platform_device *pdev)
if (priv->row_count < 1)
return -EINVAL;
- priv->gpio_data = devm_kzalloc(dev,
- sizeof(*priv->gpio_data) * priv->row_count,
+ priv->gpio_data = devm_kcalloc(dev,
+ priv->row_count, sizeof(*priv->gpio_data),
GFP_KERNEL);
if (!priv->gpio_data)
return -ENOMEM;
diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 81be6f781f0b..d56001181598 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -493,7 +493,8 @@ static int cros_ec_keyb_register_bs(struct cros_ec_keyb *ckdev)
for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) {
const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i];
- if (buttons & BIT(map->bit))
+ if ((map->ev_type == EV_KEY && (buttons & BIT(map->bit))) ||
+ (map->ev_type == EV_SW && (switches & BIT(map->bit))))
input_set_capability(idev, map->ev_type, map->code);
}
diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c
index a4e404aaf64b..f5c5ae8b6c06 100644
--- a/drivers/input/keyboard/hilkbd.c
+++ b/drivers/input/keyboard/hilkbd.c
@@ -2,7 +2,7 @@
* linux/drivers/hil/hilkbd.c
*
* Copyright (C) 1998 Philip Blundell <philb@gnu.org>
- * Copyright (C) 1999 Matthew Wilcox <willy@bofh.ai>
+ * Copyright (C) 1999 Matthew Wilcox <willy@infradead.org>
* Copyright (C) 1999-2007 Helge Deller <deller@gmx.de>
*
* Very basic HP Human Interface Loop (HIL) driver.
@@ -57,8 +57,8 @@ MODULE_LICENSE("GPL v2");
#define HIL_DATA 0x1
#define HIL_CMD 0x3
#define HIL_IRQ 2
- #define hil_readb(p) readb(p)
- #define hil_writeb(v,p) writeb((v),(p))
+ #define hil_readb(p) readb((const volatile void __iomem *)(p))
+ #define hil_writeb(v, p) writeb((v), (volatile void __iomem *)(p))
#else
#error "HIL is not supported on this platform"
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 41614c185918..403452ef00e6 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -407,7 +407,7 @@ matrix_keypad_parse_dt(struct device *dev)
struct matrix_keypad_platform_data *pdata;
struct device_node *np = dev->of_node;
unsigned int *gpios;
- int i, nrow, ncol;
+ int ret, i, nrow, ncol;
if (!np) {
dev_err(dev, "device lacks DT data\n");
@@ -443,21 +443,28 @@ matrix_keypad_parse_dt(struct device *dev)
of_property_read_u32(np, "col-scan-delay-us",
&pdata->col_scan_delay_us);
- gpios = devm_kzalloc(dev,
- sizeof(unsigned int) *
- (pdata->num_row_gpios + pdata->num_col_gpios),
+ gpios = devm_kcalloc(dev,
+ pdata->num_row_gpios + pdata->num_col_gpios,
+ sizeof(unsigned int),
GFP_KERNEL);
if (!gpios) {
dev_err(dev, "could not allocate memory for gpios\n");
return ERR_PTR(-ENOMEM);
}
- for (i = 0; i < pdata->num_row_gpios; i++)
- gpios[i] = of_get_named_gpio(np, "row-gpios", i);
+ for (i = 0; i < nrow; i++) {
+ ret = of_get_named_gpio(np, "row-gpios", i);
+ if (ret < 0)
+ return ERR_PTR(ret);
+ gpios[i] = ret;
+ }
- for (i = 0; i < pdata->num_col_gpios; i++)
- gpios[pdata->num_row_gpios + i] =
- of_get_named_gpio(np, "col-gpios", i);
+ for (i = 0; i < ncol; i++) {
+ ret = of_get_named_gpio(np, "col-gpios", i);
+ if (ret < 0)
+ return ERR_PTR(ret);
+ gpios[nrow + i] = ret;
+ }
pdata->row_gpios = gpios;
pdata->col_gpios = &gpios[pdata->num_row_gpios];
@@ -484,10 +491,8 @@ static int matrix_keypad_probe(struct platform_device *pdev)
pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
pdata = matrix_keypad_parse_dt(&pdev->dev);
- if (IS_ERR(pdata)) {
- dev_err(&pdev->dev, "no platform data defined\n");
+ if (IS_ERR(pdata))
return PTR_ERR(pdata);
- }
} else if (!pdata->keymap_data) {
dev_err(&pdev->dev, "no keymap data defined\n");
return -EINVAL;
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
new file mode 100644
index 000000000000..02c67a1749fc
--- /dev/null
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -0,0 +1,339 @@
+/*
+ * Copyright (C) 2017 MediaTek, Inc.
+ *
+ * Author: Chen Zhong <chen.zhong@mediatek.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/mt6323/registers.h>
+#include <linux/mfd/mt6397/registers.h>
+#include <linux/mfd/mt6397/core.h>
+
+#define MTK_PMIC_PWRKEY_RST_EN_MASK 0x1
+#define MTK_PMIC_PWRKEY_RST_EN_SHIFT 6
+#define MTK_PMIC_HOMEKEY_RST_EN_MASK 0x1
+#define MTK_PMIC_HOMEKEY_RST_EN_SHIFT 5
+#define MTK_PMIC_RST_DU_MASK 0x3
+#define MTK_PMIC_RST_DU_SHIFT 8
+
+#define MTK_PMIC_PWRKEY_RST \
+ (MTK_PMIC_PWRKEY_RST_EN_MASK << MTK_PMIC_PWRKEY_RST_EN_SHIFT)
+#define MTK_PMIC_HOMEKEY_RST \
+ (MTK_PMIC_HOMEKEY_RST_EN_MASK << MTK_PMIC_HOMEKEY_RST_EN_SHIFT)
+
+#define MTK_PMIC_PWRKEY_INDEX 0
+#define MTK_PMIC_HOMEKEY_INDEX 1
+#define MTK_PMIC_MAX_KEY_COUNT 2
+
+struct mtk_pmic_keys_regs {
+ u32 deb_reg;
+ u32 deb_mask;
+ u32 intsel_reg;
+ u32 intsel_mask;
+};
+
+#define MTK_PMIC_KEYS_REGS(_deb_reg, _deb_mask, \
+ _intsel_reg, _intsel_mask) \
+{ \
+ .deb_reg = _deb_reg, \
+ .deb_mask = _deb_mask, \
+ .intsel_reg = _intsel_reg, \
+ .intsel_mask = _intsel_mask, \
+}
+
+struct mtk_pmic_regs {
+ const struct mtk_pmic_keys_regs keys_regs[MTK_PMIC_MAX_KEY_COUNT];
+ u32 pmic_rst_reg;
+};
+
+static const struct mtk_pmic_regs mt6397_regs = {
+ .keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6397_CHRSTATUS,
+ 0x8, MT6397_INT_RSV, 0x10),
+ .keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6397_OCSTATUS2,
+ 0x10, MT6397_INT_RSV, 0x8),
+ .pmic_rst_reg = MT6397_TOP_RST_MISC,
+};
+
+static const struct mtk_pmic_regs mt6323_regs = {
+ .keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6323_CHRSTATUS,
+ 0x2, MT6323_INT_MISC_CON, 0x10),
+ .keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6323_CHRSTATUS,
+ 0x4, MT6323_INT_MISC_CON, 0x8),
+ .pmic_rst_reg = MT6323_TOP_RST_MISC,
+};
+
+struct mtk_pmic_keys_info {
+ struct mtk_pmic_keys *keys;
+ const struct mtk_pmic_keys_regs *regs;
+ unsigned int keycode;
+ int irq;
+ bool wakeup:1;
+};
+
+struct mtk_pmic_keys {
+ struct input_dev *input_dev;
+ struct device *dev;
+ struct regmap *regmap;
+ struct mtk_pmic_keys_info keys[MTK_PMIC_MAX_KEY_COUNT];
+};
+
+enum mtk_pmic_keys_lp_mode {
+ LP_DISABLE,
+ LP_ONEKEY,
+ LP_TWOKEY,
+};
+
+static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys,
+ u32 pmic_rst_reg)
+{
+ int ret;
+ u32 long_press_mode, long_press_debounce;
+
+ ret = of_property_read_u32(keys->dev->of_node,
+ "power-off-time-sec", &long_press_debounce);
+ if (ret)
+ long_press_debounce = 0;
+
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_RST_DU_MASK << MTK_PMIC_RST_DU_SHIFT,
+ long_press_debounce << MTK_PMIC_RST_DU_SHIFT);
+
+ ret = of_property_read_u32(keys->dev->of_node,
+ "mediatek,long-press-mode", &long_press_mode);
+ if (ret)
+ long_press_mode = LP_DISABLE;
+
+ switch (long_press_mode) {
+ case LP_ONEKEY:
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_PWRKEY_RST,
+ MTK_PMIC_PWRKEY_RST);
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_HOMEKEY_RST,
+ 0);
+ break;
+ case LP_TWOKEY:
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_PWRKEY_RST,
+ MTK_PMIC_PWRKEY_RST);
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_HOMEKEY_RST,
+ MTK_PMIC_HOMEKEY_RST);
+ break;
+ case LP_DISABLE:
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_PWRKEY_RST,
+ 0);
+ regmap_update_bits(keys->regmap, pmic_rst_reg,
+ MTK_PMIC_HOMEKEY_RST,
+ 0);
+ break;
+ default:
+ break;
+ }
+}
+
+static irqreturn_t mtk_pmic_keys_irq_handler_thread(int irq, void *data)
+{
+ struct mtk_pmic_keys_info *info = data;
+ u32 key_deb, pressed;
+
+ regmap_read(info->keys->regmap, info->regs->deb_reg, &key_deb);
+
+ key_deb &= info->regs->deb_mask;
+
+ pressed = !key_deb;
+
+ input_report_key(info->keys->input_dev, info->keycode, pressed);
+ input_sync(info->keys->input_dev);
+
+ dev_dbg(info->keys->dev, "(%s) key =%d using PMIC\n",
+ pressed ? "pressed" : "released", info->keycode);
+
+ return IRQ_HANDLED;
+}
+
+static int mtk_pmic_key_setup(struct mtk_pmic_keys *keys,
+ struct mtk_pmic_keys_info *info)
+{
+ int ret;
+
+ info->keys = keys;
+
+ ret = regmap_update_bits(keys->regmap, info->regs->intsel_reg,
+ info->regs->intsel_mask,
+ info->regs->intsel_mask);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_request_threaded_irq(keys->dev, info->irq, NULL,
+ mtk_pmic_keys_irq_handler_thread,
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ "mtk-pmic-keys", info);
+ if (ret) {
+ dev_err(keys->dev, "Failed to request IRQ: %d: %d\n",
+ info->irq, ret);
+ return ret;
+ }
+
+ input_set_capability(keys->input_dev, EV_KEY, info->keycode);
+
+ return 0;
+}
+
+static int __maybe_unused mtk_pmic_keys_suspend(struct device *dev)
+{
+ struct mtk_pmic_keys *keys = dev_get_drvdata(dev);
+ int index;
+
+ for (index = 0; index < MTK_PMIC_MAX_KEY_COUNT; index++) {
+ if (keys->keys[index].wakeup)
+ enable_irq_wake(keys->keys[index].irq);
+ }
+
+ return 0;
+}
+
+static int __maybe_unused mtk_pmic_keys_resume(struct device *dev)
+{
+ struct mtk_pmic_keys *keys = dev_get_drvdata(dev);
+ int index;
+
+ for (index = 0; index < MTK_PMIC_MAX_KEY_COUNT; index++) {
+ if (keys->keys[index].wakeup)
+ disable_irq_wake(keys->keys[index].irq);
+ }
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(mtk_pmic_keys_pm_ops, mtk_pmic_keys_suspend,
+ mtk_pmic_keys_resume);
+
+static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = {
+ {
+ .compatible = "mediatek,mt6397-keys",
+ .data = &mt6397_regs,
+ }, {
+ .compatible = "mediatek,mt6323-keys",
+ .data = &mt6323_regs,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, of_mtk_pmic_keys_match_tbl);
+
+static int mtk_pmic_keys_probe(struct platform_device *pdev)
+{
+ int error, index = 0;
+ unsigned int keycount;
+ struct mt6397_chip *pmic_chip = dev_get_drvdata(pdev->dev.parent);
+ struct device_node *node = pdev->dev.of_node, *child;
+ struct mtk_pmic_keys *keys;
+ const struct mtk_pmic_regs *mtk_pmic_regs;
+ struct input_dev *input_dev;
+ const struct of_device_id *of_id =
+ of_match_device(of_mtk_pmic_keys_match_tbl, &pdev->dev);
+
+ keys = devm_kzalloc(&pdev->dev, sizeof(*keys), GFP_KERNEL);
+ if (!keys)
+ return -ENOMEM;
+
+ keys->dev = &pdev->dev;
+ keys->regmap = pmic_chip->regmap;
+ mtk_pmic_regs = of_id->data;
+
+ keys->input_dev = input_dev = devm_input_allocate_device(keys->dev);
+ if (!input_dev) {
+ dev_err(keys->dev, "input allocate device fail.\n");
+ return -ENOMEM;
+ }
+
+ input_dev->name = "mtk-pmic-keys";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0001;
+
+ keycount = of_get_available_child_count(node);
+ if (keycount > MTK_PMIC_MAX_KEY_COUNT) {
+ dev_err(keys->dev, "too many keys defined (%d)\n", keycount);
+ return -EINVAL;
+ }
+
+ for_each_child_of_node(node, child) {
+ keys->keys[index].regs = &mtk_pmic_regs->keys_regs[index];
+
+ keys->keys[index].irq = platform_get_irq(pdev, index);
+ if (keys->keys[index].irq < 0)
+ return keys->keys[index].irq;
+
+ error = of_property_read_u32(child,
+ "linux,keycodes", &keys->keys[index].keycode);
+ if (error) {
+ dev_err(keys->dev,
+ "failed to read key:%d linux,keycode property: %d\n",
+ index, error);
+ return error;
+ }
+
+ if (of_property_read_bool(child, "wakeup-source"))
+ keys->keys[index].wakeup = true;
+
+ error = mtk_pmic_key_setup(keys, &keys->keys[index]);
+ if (error)
+ return error;
+
+ index++;
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(&pdev->dev,
+ "register input device failed (%d)\n", error);
+ return error;
+ }
+
+ mtk_pmic_keys_lp_reset_setup(keys, mtk_pmic_regs->pmic_rst_reg);
+
+ platform_set_drvdata(pdev, keys);
+
+ return 0;
+}
+
+static struct platform_driver pmic_keys_pdrv = {
+ .probe = mtk_pmic_keys_probe,
+ .driver = {
+ .name = "mtk-pmic-keys",
+ .of_match_table = of_mtk_pmic_keys_match_tbl,
+ .pm = &mtk_pmic_keys_pm_ops,
+ },
+};
+
+module_platform_driver(pmic_keys_pdrv);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Chen Zhong <chen.zhong@mediatek.com>");
+MODULE_DESCRIPTION("MTK pmic-keys driver v0.1");
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 940d38b08e6b..840e53732753 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -60,8 +60,18 @@
/* OMAP4 values */
#define OMAP4_VAL_IRQDISABLE 0x0
-#define OMAP4_VAL_DEBOUNCINGTIME 0x7
-#define OMAP4_VAL_PVT 0x7
+
+/*
+ * Errata i689: If a key is released for a time shorter than debounce time,
+ * the keyboard will idle and never detect the key release. The workaround
+ * is to use at least a 12ms debounce time. See omap5432 TRM chapter
+ * "26.4.6.2 Keyboard Controller Timer" for more information.
+ */
+#define OMAP4_KEYPAD_PTV_DIV_128 0x6
+#define OMAP4_KEYPAD_DEBOUNCINGTIME_MS(dbms, ptv) \
+ ((((dbms) * 1000) / ((1 << ((ptv) + 1)) * (1000000 / 32768))) - 1)
+#define OMAP4_VAL_DEBOUNCINGTIME_16MS \
+ OMAP4_KEYPAD_DEBOUNCINGTIME_MS(16, OMAP4_KEYPAD_PTV_DIV_128)
enum {
KBD_REVISION_OMAP4 = 0,
@@ -116,12 +126,8 @@ static irqreturn_t omap4_keypad_irq_handler(int irq, void *dev_id)
{
struct omap4_keypad *keypad_data = dev_id;
- if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) {
- /* Disable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_VAL_IRQDISABLE);
+ if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS))
return IRQ_WAKE_THREAD;
- }
return IRQ_NONE;
}
@@ -163,11 +169,6 @@ static irqreturn_t omap4_keypad_irq_thread_fn(int irq, void *dev_id)
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));
- /* enable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_DEF_IRQENABLE_EVENTEN |
- OMAP4_DEF_IRQENABLE_LONGKEY);
-
return IRQ_HANDLED;
}
@@ -181,9 +182,9 @@ static int omap4_keypad_open(struct input_dev *input)
kbd_writel(keypad_data, OMAP4_KBD_CTRL,
OMAP4_DEF_CTRL_NOSOFTMODE |
- (OMAP4_VAL_PVT << OMAP4_DEF_CTRL_PTV_SHIFT));
+ (OMAP4_KEYPAD_PTV_DIV_128 << OMAP4_DEF_CTRL_PTV_SHIFT));
kbd_writel(keypad_data, OMAP4_KBD_DEBOUNCINGTIME,
- OMAP4_VAL_DEBOUNCINGTIME);
+ OMAP4_VAL_DEBOUNCINGTIME_16MS);
/* clear pending interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));
@@ -204,9 +205,10 @@ static void omap4_keypad_close(struct input_dev *input)
disable_irq(keypad_data->irq);
- /* Disable interrupts */
+ /* Disable interrupts and wake-up events */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_VAL_IRQDISABLE);
+ kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, 0);
/* clear pending interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
@@ -337,7 +339,8 @@ static int omap4_keypad_probe(struct platform_device *pdev)
keypad_data->row_shift = get_count_order(keypad_data->cols);
max_keys = keypad_data->rows << keypad_data->row_shift;
- keypad_data->keymap = kzalloc(max_keys * sizeof(keypad_data->keymap[0]),
+ keypad_data->keymap = kcalloc(max_keys,
+ sizeof(keypad_data->keymap[0]),
GFP_KERNEL);
if (!keypad_data->keymap) {
dev_err(&pdev->dev, "Not enough memory for keymap\n");
@@ -354,7 +357,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
}
error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
- omap4_keypad_irq_thread_fn, 0,
+ omap4_keypad_irq_thread_fn, IRQF_ONESHOT,
"omap4-keypad", keypad_data);
if (error) {
dev_err(&pdev->dev, "failed to register interrupt\n");
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 316414465c77..1fe1aa2adf85 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -281,7 +281,7 @@ samsung_keypad_parse_dt(struct device *dev)
key_count = of_get_child_count(np);
keymap_data->keymap_size = key_count;
- keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL);
+ keymap = devm_kcalloc(dev, key_count, sizeof(uint32_t), GFP_KERNEL);
if (!keymap) {
dev_err(dev, "could not allocate memory for keymap\n");
return ERR_PTR(-ENOMEM);
diff --git a/drivers/input/matrix-keymap.c b/drivers/input/matrix-keymap.c
index 8ccefc15c7a4..8b3a5758451e 100644
--- a/drivers/input/matrix-keymap.c
+++ b/drivers/input/matrix-keymap.c
@@ -170,8 +170,8 @@ int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
return -EINVAL;
if (!keymap) {
- keymap = devm_kzalloc(input_dev->dev.parent,
- max_keys * sizeof(*keymap),
+ keymap = devm_kcalloc(input_dev->dev.parent,
+ max_keys, sizeof(*keymap),
GFP_KERNEL);
if (!keymap) {
dev_err(input_dev->dev.parent,
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c761c0c4f2b8..ca59a2be9bc5 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -411,7 +411,7 @@ config INPUT_YEALINK
usb sound driver, so you might want to enable that as well.
For information about how to use these additional functions, see
- <file:Documentation/input/yealink.txt>.
+ <file:Documentation/input/devices/yealink.rst>.
To compile this driver as a module, choose M here: the module will be
called yealink.
@@ -595,7 +595,7 @@ config INPUT_GPIO_ROTARY_ENCODER
depends on GPIOLIB || COMPILE_TEST
help
Say Y here to add support for rotary encoders connected to GPIO lines.
- Check file:Documentation/input/rotary-encoder.txt for more
+ Check file:Documentation/input/devices/rotary-encoder.rst for more
information.
To compile this driver as a module, choose M here: the
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index 49b34de0aed4..47eb8ca729fe 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -509,18 +509,6 @@ static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v)
#undef NY
}
-static int hp_sdc_rtc_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, hp_sdc_rtc_proc_show, NULL);
-}
-
-static const struct file_operations hp_sdc_rtc_proc_fops = {
- .open = hp_sdc_rtc_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
@@ -713,7 +701,7 @@ static int __init hp_sdc_rtc_init(void)
if (misc_register(&hp_sdc_rtc_dev) != 0)
printk(KERN_INFO "Could not register misc. dev for i8042 rtc\n");
- proc_create("driver/rtc", 0, NULL, &hp_sdc_rtc_proc_fops);
+ proc_create_single("driver/rtc", 0, NULL, hp_sdc_rtc_proc_show);
printk(KERN_INFO "HP i8042 SDC + MSM-58321 RTC support loaded "
"(RTC v " RTC_VERSION ")\n");
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 72eee6d55527..d748897bf5e9 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -7,7 +7,7 @@
* state machine code inspired by code from Tim Ruetz
*
* A generic driver for rotary encoders connected to GPIO lines.
- * See file:Documentation/input/rotary-encoder.txt for more information
+ * See file:Documentation/input/devices/rotary-encoder.rst for more information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -285,8 +285,8 @@ static int rotary_encoder_probe(struct platform_device *pdev)
}
encoder->irq =
- devm_kzalloc(dev,
- sizeof(*encoder->irq) * encoder->gpios->ndescs,
+ devm_kcalloc(dev,
+ encoder->gpios->ndescs, sizeof(*encoder->irq),
GFP_KERNEL);
if (!encoder->irq)
return -ENOMEM;
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 96a887f33698..8ec483e8688b 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -410,7 +410,7 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code,
min = abs->minimum;
max = abs->maximum;
- if ((min != 0 || max != 0) && max <= min) {
+ if ((min != 0 || max != 0) && max < min) {
printk(KERN_DEBUG
"%s: invalid abs[%02x] min:%d max:%d\n",
UINPUT_NAME, code, min, max);
@@ -598,6 +598,7 @@ static ssize_t uinput_inject_events(struct uinput_device *udev,
input_event(udev->dev, ev.type, ev.code, ev.value);
bytes += input_event_size();
+ cond_resched();
}
return bytes;
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index f27f23f2d99a..566a1e3aa504 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -129,7 +129,7 @@ config MOUSE_PS2_ELANTECH
This driver exposes some configuration registers via sysfs
entries. For further information,
- see <file:Documentation/input/elantech.txt>.
+ see <file:Documentation/input/devices/elantech.rst>.
If unsure, say N.
@@ -228,7 +228,7 @@ config MOUSE_APPLETOUCH
scrolling in X11.
For further information, see
- <file:Documentation/input/appletouch.txt>.
+ <file:Documentation/input/devices/appletouch.rst>.
To compile this driver as a module, choose M here: the
module will be called appletouch.
@@ -251,7 +251,7 @@ config MOUSE_BCM5974
The interface is currently identical to the appletouch interface,
for further information, see
- <file:Documentation/input/appletouch.txt>.
+ <file:Documentation/input/devices/appletouch.rst>.
To compile this driver as a module, choose M here: the
module will be called bcm5974.
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index cb5579716dba..0a6f7ca883e7 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -212,7 +212,7 @@ static void alps_set_abs_params_v7(struct alps_data *priv,
static void alps_set_abs_params_ss4_v2(struct alps_data *priv,
struct input_dev *dev1);
-/* Packet formats are described in Documentation/input/alps.txt */
+/* Packet formats are described in Documentation/input/devices/alps.rst */
static bool alps_is_valid_first_byte(struct alps_data *priv,
unsigned char data)
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 599544c1a91c..243e0fa6e3e3 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -27,6 +27,8 @@
#define ETP_DISABLE_POWER 0x0001
#define ETP_PRESSURE_OFFSET 25
+#define ETP_CALIBRATE_MAX_LEN 3
+
/* IAP Firmware handling */
#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0"
#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 2690a4b7ed53..a94b6494e71a 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -613,7 +613,7 @@ static ssize_t calibrate_store(struct device *dev,
int tries = 20;
int retval;
int error;
- u8 val[3];
+ u8 val[ETP_CALIBRATE_MAX_LEN];
retval = mutex_lock_interruptible(&data->sysfs_mutex);
if (retval)
@@ -1344,6 +1344,14 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN060B", 0 },
{ "ELAN060C", 0 },
{ "ELAN0611", 0 },
+ { "ELAN0612", 0 },
+ { "ELAN0618", 0 },
+ { "ELAN061C", 0 },
+ { "ELAN061D", 0 },
+ { "ELAN061E", 0 },
+ { "ELAN0620", 0 },
+ { "ELAN0621", 0 },
+ { "ELAN0622", 0 },
{ "ELAN1000", 0 },
{ }
};
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index cfcb32559925..88e315d2cfd3 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -56,7 +56,7 @@
static int elan_smbus_initialize(struct i2c_client *client)
{
u8 check[ETP_SMBUS_HELLOPACKET_LEN] = { 0x55, 0x55, 0x55, 0x55, 0x55 };
- u8 values[ETP_SMBUS_HELLOPACKET_LEN] = { 0, 0, 0, 0, 0 };
+ u8 values[I2C_SMBUS_BLOCK_MAX] = {0};
int len, error;
/* Get hello packet */
@@ -117,12 +117,16 @@ static int elan_smbus_calibrate(struct i2c_client *client)
static int elan_smbus_calibrate_result(struct i2c_client *client, u8 *val)
{
int error;
+ u8 buf[I2C_SMBUS_BLOCK_MAX] = {0};
+
+ BUILD_BUG_ON(ETP_CALIBRATE_MAX_LEN > sizeof(buf));
error = i2c_smbus_read_block_data(client,
- ETP_SMBUS_CALIBRATE_QUERY, val);
+ ETP_SMBUS_CALIBRATE_QUERY, buf);
if (error < 0)
return error;
+ memcpy(val, buf, ETP_CALIBRATE_MAX_LEN);
return 0;
}
@@ -383,7 +387,7 @@ static int elan_smbus_prepare_fw_update(struct i2c_client *client)
len = i2c_smbus_read_block_data(client,
ETP_SMBUS_IAP_PASSWORD_READ,
val);
- if (len < sizeof(u16)) {
+ if (len < (int)sizeof(u16)) {
error = len < 0 ? len : -EIO;
dev_err(dev, "failed to read iap password: %d\n",
error);
@@ -472,6 +476,8 @@ static int elan_smbus_get_report(struct i2c_client *client, u8 *report)
{
int len;
+ BUILD_BUG_ON(I2C_SMBUS_BLOCK_MAX > ETP_SMBUS_REPORT_LEN);
+
len = i2c_smbus_read_block_data(client,
ETP_SMBUS_PACKET_QUERY,
&report[ETP_SMBUS_REPORT_OFFSET]);
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index d443067fc837..9fe075c137dc 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
else if (ic_version == 7 && etd->info.samples[1] == 0x2A)
sanity_check = ((packet[3] & 0x1c) == 0x10);
else
- sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+ sanity_check = ((packet[0] & 0x08) == 0x00 &&
(packet[3] & 0x1c) == 0x10);
if (!sanity_check)
@@ -1175,6 +1175,14 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
{ }
};
+static const char * const middle_button_pnp_ids[] = {
+ "LEN2131", /* ThinkPad P52 w/ NFC */
+ "LEN2132", /* ThinkPad P52 */
+ "LEN2133", /* ThinkPad P72 w/ NFC */
+ "LEN2134", /* ThinkPad P72 */
+ NULL
+};
+
/*
* Set the appropriate event bits for the input subsystem
*/
@@ -1194,7 +1202,8 @@ static int elantech_set_input_params(struct psmouse *psmouse)
__clear_bit(EV_REL, dev->evbit);
__set_bit(BTN_LEFT, dev->keybit);
- if (dmi_check_system(elantech_dmi_has_middle_button))
+ if (dmi_check_system(elantech_dmi_has_middle_button) ||
+ psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids))
__set_bit(BTN_MIDDLE, dev->keybit);
__set_bit(BTN_RIGHT, dev->keybit);
@@ -1758,6 +1767,18 @@ static int elantech_smbus = IS_ENABLED(CONFIG_MOUSE_ELAN_I2C_SMBUS) ?
module_param_named(elantech_smbus, elantech_smbus, int, 0644);
MODULE_PARM_DESC(elantech_smbus, "Use a secondary bus for the Elantech device.");
+static const char * const i2c_blacklist_pnp_ids[] = {
+ /*
+ * These are known to not be working properly as bits are missing
+ * in elan_i2c.
+ */
+ "LEN2131", /* ThinkPad P52 w/ NFC */
+ "LEN2132", /* ThinkPad P52 */
+ "LEN2133", /* ThinkPad P72 w/ NFC */
+ "LEN2134", /* ThinkPad P72 */
+ NULL
+};
+
static int elantech_create_smbus(struct psmouse *psmouse,
struct elantech_device_info *info,
bool leave_breadcrumbs)
@@ -1793,10 +1814,12 @@ static int elantech_setup_smbus(struct psmouse *psmouse,
if (elantech_smbus == ELANTECH_SMBUS_NOT_SET) {
/*
- * New ICs are enabled by default.
+ * New ICs are enabled by default, unless mentioned in
+ * i2c_blacklist_pnp_ids.
* Old ICs are up to the user to decide.
*/
- if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version))
+ if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) ||
+ psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))
return -ENXIO;
}
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 5ff5b1952be0..d3ff1fc09af7 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -192,8 +192,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
else
input_report_rel(dev, REL_WHEEL, -wheel);
- input_report_key(dev, BTN_SIDE, BIT(4));
- input_report_key(dev, BTN_EXTRA, BIT(5));
+ input_report_key(dev, BTN_SIDE, packet[3] & BIT(4));
+ input_report_key(dev, BTN_EXTRA, packet[3] & BIT(5));
break;
}
break;
@@ -203,13 +203,13 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
input_report_rel(dev, REL_WHEEL, -(s8) packet[3]);
/* Extra buttons on Genius NewNet 3D */
- input_report_key(dev, BTN_SIDE, BIT(6));
- input_report_key(dev, BTN_EXTRA, BIT(7));
+ input_report_key(dev, BTN_SIDE, packet[0] & BIT(6));
+ input_report_key(dev, BTN_EXTRA, packet[0] & BIT(7));
break;
case PSMOUSE_THINKPS:
/* Extra button on ThinkingMouse */
- input_report_key(dev, BTN_EXTRA, BIT(3));
+ input_report_key(dev, BTN_EXTRA, packet[0] & BIT(3));
/*
* Without this bit of weirdness moving up gives wildly
@@ -223,7 +223,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
* Cortron PS2 Trackball reports SIDE button in the
* 4th bit of the first byte.
*/
- input_report_key(dev, BTN_SIDE, BIT(3));
+ input_report_key(dev, BTN_SIDE, packet[0] & BIT(3));
packet[0] |= BIT(3);
break;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 5e85f3cca867..b6da0c1267e3 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -170,6 +170,8 @@ static const char * const smbus_pnp_ids[] = {
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */
"LEN004a", /* W541 */
+ "LEN005b", /* P50 */
+ "LEN005e", /* T560 */
"LEN0071", /* T480 */
"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
"LEN0073", /* X1 Carbon G5 (Elantech) */
@@ -177,6 +179,8 @@ static const char * const smbus_pnp_ids[] = {
"LEN0096", /* X280 */
"LEN0097", /* X280 -> ALPS trackpoint */
"LEN200f", /* T450s */
+ "SYN3052", /* HP EliteBook 840 G4 */
+ "SYN3221", /* HP 15-ay000 */
NULL
};
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index e08228061bcd..412fa71245af 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -707,6 +707,7 @@ static ssize_t mousedev_write(struct file *file, const char __user *buffer,
mousedev_generate_response(client, c);
spin_unlock_irq(&client->packet_lock);
+ cond_resched();
}
kill_fasync(&client->fasync, SIGIO, POLL_IN);
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index cb6d983e8033..fc3ab93b7aea 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -612,9 +612,10 @@ int rmi_read_register_desc(struct rmi_device *d, u16 addr,
rdesc->num_registers = bitmap_weight(rdesc->presense_map,
RMI_REG_DESC_PRESENSE_BITS);
- rdesc->registers = devm_kzalloc(&d->dev, rdesc->num_registers *
- sizeof(struct rmi_register_desc_item),
- GFP_KERNEL);
+ rdesc->registers = devm_kcalloc(&d->dev,
+ rdesc->num_registers,
+ sizeof(struct rmi_register_desc_item),
+ GFP_KERNEL);
if (!rdesc->registers)
return -ENOMEM;
@@ -1050,7 +1051,7 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
data->num_of_irq_regs = (data->irq_count + 7) / 8;
size = BITS_TO_LONGS(data->irq_count) * sizeof(unsigned long);
- data->irq_memory = devm_kzalloc(dev, size * 4, GFP_KERNEL);
+ data->irq_memory = devm_kcalloc(dev, size, 4, GFP_KERNEL);
if (!data->irq_memory) {
dev_err(dev, "Failed to allocate memory for irq masks.\n");
return -ENOMEM;
diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
index 5f2e1ef5accc..df64d6aed4f7 100644
--- a/drivers/input/rmi4/rmi_f11.c
+++ b/drivers/input/rmi4/rmi_f11.c
@@ -1180,14 +1180,15 @@ static int rmi_f11_initialize(struct rmi_function *fn)
f11->sensor.attn_size += f11->sensor.nbr_fingers * 2;
/* allocate the in-kernel tracking buffers */
- sensor->tracking_pos = devm_kzalloc(&fn->dev,
- sizeof(struct input_mt_pos) * sensor->nbr_fingers,
+ sensor->tracking_pos = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers, sizeof(struct input_mt_pos),
+ GFP_KERNEL);
+ sensor->tracking_slots = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers, sizeof(int), GFP_KERNEL);
+ sensor->objs = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers,
+ sizeof(struct rmi_2d_sensor_abs_object),
GFP_KERNEL);
- sensor->tracking_slots = devm_kzalloc(&fn->dev,
- sizeof(int) * sensor->nbr_fingers, GFP_KERNEL);
- sensor->objs = devm_kzalloc(&fn->dev,
- sizeof(struct rmi_2d_sensor_abs_object)
- * sensor->nbr_fingers, GFP_KERNEL);
if (!sensor->tracking_pos || !sensor->tracking_slots || !sensor->objs)
return -ENOMEM;
diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c
index e226def74d82..5c7f48915779 100644
--- a/drivers/input/rmi4/rmi_f12.c
+++ b/drivers/input/rmi4/rmi_f12.c
@@ -502,14 +502,15 @@ static int rmi_f12_probe(struct rmi_function *fn)
}
/* allocate the in-kernel tracking buffers */
- sensor->tracking_pos = devm_kzalloc(&fn->dev,
- sizeof(struct input_mt_pos) * sensor->nbr_fingers,
+ sensor->tracking_pos = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers, sizeof(struct input_mt_pos),
+ GFP_KERNEL);
+ sensor->tracking_slots = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers, sizeof(int), GFP_KERNEL);
+ sensor->objs = devm_kcalloc(&fn->dev,
+ sensor->nbr_fingers,
+ sizeof(struct rmi_2d_sensor_abs_object),
GFP_KERNEL);
- sensor->tracking_slots = devm_kzalloc(&fn->dev,
- sizeof(int) * sensor->nbr_fingers, GFP_KERNEL);
- sensor->objs = devm_kzalloc(&fn->dev,
- sizeof(struct rmi_2d_sensor_abs_object)
- * sensor->nbr_fingers, GFP_KERNEL);
if (!sensor->tracking_pos || !sensor->tracking_slots || !sensor->objs)
return -ENOMEM;
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index 98a935efec8e..a6f515bcab22 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -680,7 +680,7 @@ static int rmi_f54_probe(struct rmi_function *fn)
rx = f54->num_rx_electrodes;
tx = f54->num_tx_electrodes;
f54->report_data = devm_kzalloc(&fn->dev,
- sizeof(u16) * tx * rx,
+ array3_size(tx, rx, sizeof(u16)),
GFP_KERNEL);
if (f54->report_data == NULL)
return -ENOMEM;
diff --git a/drivers/input/rmi4/rmi_spi.c b/drivers/input/rmi4/rmi_spi.c
index 082defc329a8..33b8c6e7ac0a 100644
--- a/drivers/input/rmi4/rmi_spi.c
+++ b/drivers/input/rmi4/rmi_spi.c
@@ -69,7 +69,7 @@ static int rmi_spi_manage_pools(struct rmi_spi_xport *rmi_spi, int len)
buf_size = RMI_SPI_XFER_SIZE_LIMIT;
tmp = rmi_spi->rx_buf;
- buf = devm_kzalloc(&spi->dev, buf_size * 2,
+ buf = devm_kcalloc(&spi->dev, buf_size, 2,
GFP_KERNEL | GFP_DMA);
if (!buf)
return -ENOMEM;
@@ -96,9 +96,10 @@ static int rmi_spi_manage_pools(struct rmi_spi_xport *rmi_spi, int len)
* per byte delays.
*/
tmp = rmi_spi->rx_xfers;
- xfer_buf = devm_kzalloc(&spi->dev,
- (rmi_spi->rx_xfer_count + rmi_spi->tx_xfer_count)
- * sizeof(struct spi_transfer), GFP_KERNEL);
+ xfer_buf = devm_kcalloc(&spi->dev,
+ rmi_spi->rx_xfer_count + rmi_spi->tx_xfer_count,
+ sizeof(struct spi_transfer),
+ GFP_KERNEL);
if (!xfer_buf)
return -ENOMEM;
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 5daec8e988c6..c9c7224d5ae0 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -47,7 +47,7 @@ config SERIO_SERPORT
Say Y here if you plan to use an input device (mouse, joystick,
tablet, 6dof) that communicates over the RS232 serial (COM) port.
- More information is available: <file:Documentation/input/input.txt>
+ More information is available: <file:Documentation/input/input.rst>
If unsure, say Y.
@@ -78,7 +78,7 @@ config SERIO_PARKBD
Say Y here if you built a simple parallel port adapter to attach
an additional AT keyboard, XT keyboard or PS/2 mouse.
- More information is available: <file:Documentation/input/input.txt>
+ More information is available: <file:Documentation/input/input.rst>
If unsure, say N.
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 3df501c3421b..f8663d7891f2 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -20,32 +20,33 @@
* However, when used with the E3 mailboard that producecs non-standard
* scancodes, a custom key table must be prepared and loaded from userspace.
*/
-#include <linux/gpio.h>
#include <linux/irq.h>
+#include <linux/platform_data/ams-delta-fiq.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
#include <linux/serio.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <asm/mach-types.h>
-#include <mach/board-ams-delta.h>
-
-#include <mach/ams-delta-fiq.h>
+#define DRIVER_NAME "ams-delta-serio"
MODULE_AUTHOR("Matt Callow");
MODULE_DESCRIPTION("AMS Delta (E3) keyboard port driver");
MODULE_LICENSE("GPL");
-static struct serio *ams_delta_serio;
+struct ams_delta_serio {
+ struct serio *serio;
+ struct regulator *vcc;
+ unsigned int *fiq_buffer;
+};
-static int check_data(int data)
+static int check_data(struct serio *serio, int data)
{
int i, parity = 0;
/* check valid stop bit */
if (!(data & 0x400)) {
- dev_warn(&ams_delta_serio->dev,
- "invalid stop bit, data=0x%X\n",
- data);
+ dev_warn(&serio->dev, "invalid stop bit, data=0x%X\n", data);
return SERIO_FRAME;
}
/* calculate the parity */
@@ -55,9 +56,9 @@ static int check_data(int data)
}
/* it should be odd */
if (!(parity & 0x01)) {
- dev_warn(&ams_delta_serio->dev,
- "parity check failed, data=0x%X parity=0x%X\n",
- data, parity);
+ dev_warn(&serio->dev,
+ "parity check failed, data=0x%X parity=0x%X\n", data,
+ parity);
return SERIO_PARITY;
}
return 0;
@@ -65,127 +66,130 @@ static int check_data(int data)
static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id)
{
- int *circ_buff = &fiq_buffer[FIQ_CIRC_BUFF];
+ struct ams_delta_serio *priv = dev_id;
+ int *circ_buff = &priv->fiq_buffer[FIQ_CIRC_BUFF];
int data, dfl;
u8 scancode;
- fiq_buffer[FIQ_IRQ_PEND] = 0;
+ priv->fiq_buffer[FIQ_IRQ_PEND] = 0;
/*
* Read data from the circular buffer, check it
* and then pass it on the serio
*/
- while (fiq_buffer[FIQ_KEYS_CNT] > 0) {
+ while (priv->fiq_buffer[FIQ_KEYS_CNT] > 0) {
- data = circ_buff[fiq_buffer[FIQ_HEAD_OFFSET]++];
- fiq_buffer[FIQ_KEYS_CNT]--;
- if (fiq_buffer[FIQ_HEAD_OFFSET] == fiq_buffer[FIQ_BUF_LEN])
- fiq_buffer[FIQ_HEAD_OFFSET] = 0;
+ data = circ_buff[priv->fiq_buffer[FIQ_HEAD_OFFSET]++];
+ priv->fiq_buffer[FIQ_KEYS_CNT]--;
+ if (priv->fiq_buffer[FIQ_HEAD_OFFSET] ==
+ priv->fiq_buffer[FIQ_BUF_LEN])
+ priv->fiq_buffer[FIQ_HEAD_OFFSET] = 0;
- dfl = check_data(data);
+ dfl = check_data(priv->serio, data);
scancode = (u8) (data >> 1) & 0xFF;
- serio_interrupt(ams_delta_serio, scancode, dfl);
+ serio_interrupt(priv->serio, scancode, dfl);
}
return IRQ_HANDLED;
}
static int ams_delta_serio_open(struct serio *serio)
{
- /* enable keyboard */
- gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 1);
+ struct ams_delta_serio *priv = serio->port_data;
- return 0;
+ /* enable keyboard */
+ return regulator_enable(priv->vcc);
}
static void ams_delta_serio_close(struct serio *serio)
{
+ struct ams_delta_serio *priv = serio->port_data;
+
/* disable keyboard */
- gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 0);
+ regulator_disable(priv->vcc);
}
-static const struct gpio ams_delta_gpios[] __initconst_or_module = {
- {
- .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATA,
- .flags = GPIOF_DIR_IN,
- .label = "serio-data",
- },
- {
- .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_CLK,
- .flags = GPIOF_DIR_IN,
- .label = "serio-clock",
- },
- {
- .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
- .flags = GPIOF_OUT_INIT_LOW,
- .label = "serio-power",
- },
- {
- .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT,
- .flags = GPIOF_OUT_INIT_LOW,
- .label = "serio-dataout",
- },
-};
-
-static int __init ams_delta_serio_init(void)
+static int ams_delta_serio_init(struct platform_device *pdev)
{
- int err;
-
- if (!machine_is_ams_delta())
- return -ENODEV;
+ struct ams_delta_serio *priv;
+ struct serio *serio;
+ int irq, err;
- ams_delta_serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
- if (!ams_delta_serio)
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
return -ENOMEM;
- ams_delta_serio->id.type = SERIO_8042;
- ams_delta_serio->open = ams_delta_serio_open;
- ams_delta_serio->close = ams_delta_serio_close;
- strlcpy(ams_delta_serio->name, "AMS DELTA keyboard adapter",
- sizeof(ams_delta_serio->name));
- strlcpy(ams_delta_serio->phys, "GPIO/serio0",
- sizeof(ams_delta_serio->phys));
-
- err = gpio_request_array(ams_delta_gpios,
- ARRAY_SIZE(ams_delta_gpios));
- if (err) {
- pr_err("ams_delta_serio: Couldn't request gpio pins\n");
- goto serio;
+ priv->fiq_buffer = pdev->dev.platform_data;
+ if (!priv->fiq_buffer)
+ return -EINVAL;
+
+ priv->vcc = devm_regulator_get(&pdev->dev, "vcc");
+ if (IS_ERR(priv->vcc)) {
+ err = PTR_ERR(priv->vcc);
+ dev_err(&pdev->dev, "regulator request failed (%d)\n", err);
+ /*
+ * When running on a non-dt platform and requested regulator
+ * is not available, devm_regulator_get() never returns
+ * -EPROBE_DEFER as it is not able to justify if the regulator
+ * may still appear later. On the other hand, the board can
+ * still set full constriants flag at late_initcall in order
+ * to instruct devm_regulator_get() to returnn a dummy one
+ * if sufficient. Hence, if we get -ENODEV here, let's convert
+ * it to -EPROBE_DEFER and wait for the board to decide or
+ * let Deferred Probe infrastructure handle this error.
+ */
+ if (err == -ENODEV)
+ err = -EPROBE_DEFER;
+ return err;
}
- err = request_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
- ams_delta_serio_interrupt, IRQ_TYPE_EDGE_RISING,
- "ams-delta-serio", 0);
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return -ENXIO;
+
+ err = devm_request_irq(&pdev->dev, irq, ams_delta_serio_interrupt,
+ IRQ_TYPE_EDGE_RISING, DRIVER_NAME, priv);
if (err < 0) {
- pr_err("ams_delta_serio: couldn't request gpio interrupt %d\n",
- gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
- goto gpio;
+ dev_err(&pdev->dev, "IRQ request failed (%d)\n", err);
+ return err;
}
- /*
- * Since GPIO register handling for keyboard clock pin is performed
- * at FIQ level, switch back from edge to simple interrupt handler
- * to avoid bad interaction.
- */
- irq_set_handler(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
- handle_simple_irq);
- serio_register_port(ams_delta_serio);
- dev_info(&ams_delta_serio->dev, "%s\n", ams_delta_serio->name);
+ serio = kzalloc(sizeof(*serio), GFP_KERNEL);
+ if (!serio)
+ return -ENOMEM;
+
+ priv->serio = serio;
+
+ serio->id.type = SERIO_8042;
+ serio->open = ams_delta_serio_open;
+ serio->close = ams_delta_serio_close;
+ strlcpy(serio->name, "AMS DELTA keyboard adapter", sizeof(serio->name));
+ strlcpy(serio->phys, dev_name(&pdev->dev), sizeof(serio->phys));
+ serio->dev.parent = &pdev->dev;
+ serio->port_data = priv;
+
+ serio_register_port(serio);
+
+ platform_set_drvdata(pdev, priv);
+
+ dev_info(&serio->dev, "%s\n", serio->name);
return 0;
-gpio:
- gpio_free_array(ams_delta_gpios,
- ARRAY_SIZE(ams_delta_gpios));
-serio:
- kfree(ams_delta_serio);
- return err;
}
-module_init(ams_delta_serio_init);
-static void __exit ams_delta_serio_exit(void)
+static int ams_delta_serio_exit(struct platform_device *pdev)
{
- serio_unregister_port(ams_delta_serio);
- free_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
- gpio_free_array(ams_delta_gpios,
- ARRAY_SIZE(ams_delta_gpios));
+ struct ams_delta_serio *priv = platform_get_drvdata(pdev);
+
+ serio_unregister_port(priv->serio);
+
+ return 0;
}
-module_exit(ams_delta_serio_exit);
+
+static struct platform_driver ams_delta_serio_driver = {
+ .probe = ams_delta_serio_init,
+ .remove = ams_delta_serio_exit,
+ .driver = {
+ .name = DRIVER_NAME
+ },
+};
+module_platform_driver(ams_delta_serio_driver);
diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c
index 25151d9214e0..a8b9be3e28db 100644
--- a/drivers/input/serio/hyperv-keyboard.c
+++ b/drivers/input/serio/hyperv-keyboard.c
@@ -177,7 +177,7 @@ static void hv_kbd_on_receive(struct hv_device *hv_dev,
* state because the Enter-UP can trigger a wakeup at once.
*/
if (!(info & IS_BREAK))
- pm_wakeup_event(&hv_dev->device, 0);
+ pm_wakeup_hard_event(&hv_dev->device);
break;
@@ -424,6 +424,9 @@ static struct hv_driver hv_kbd_drv = {
.id_table = id_table,
.probe = hv_kbd_probe,
.remove = hv_kbd_remove,
+ .driver = {
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
};
static int __init hv_kbd_init(void)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b353d494ad40..136f6e7bf797 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -527,6 +527,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
},
},
+ {
+ /* Lenovo LaVie Z */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
+ },
+ },
{ }
};
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index b8bc71569349..95a78ccbd847 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1395,15 +1395,26 @@ static void __init i8042_register_ports(void)
for (i = 0; i < I8042_NUM_PORTS; i++) {
struct serio *serio = i8042_ports[i].serio;
- if (serio) {
- printk(KERN_INFO "serio: %s at %#lx,%#lx irq %d\n",
- serio->name,
- (unsigned long) I8042_DATA_REG,
- (unsigned long) I8042_COMMAND_REG,
- i8042_ports[i].irq);
- serio_register_port(serio);
- device_set_wakeup_capable(&serio->dev, true);
- }
+ if (!serio)
+ continue;
+
+ printk(KERN_INFO "serio: %s at %#lx,%#lx irq %d\n",
+ serio->name,
+ (unsigned long) I8042_DATA_REG,
+ (unsigned long) I8042_COMMAND_REG,
+ i8042_ports[i].irq);
+ serio_register_port(serio);
+ device_set_wakeup_capable(&serio->dev, true);
+
+ /*
+ * On platforms using suspend-to-idle, allow the keyboard to
+ * wake up the system from sleep by enabling keyboard wakeups
+ * by default. This is consistent with keyboard wakeup
+ * behavior on many platforms using suspend-to-RAM (ACPI S3)
+ * by default.
+ */
+ if (pm_suspend_via_s2idle() && i == I8042_KBD_PORT_NO)
+ device_set_wakeup_enable(&serio->dev, true);
}
}
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index f8ead9f9c77e..5977b8a34ebe 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -226,7 +226,7 @@ static int serport_ldisc_ioctl(struct tty_struct *tty, struct file *file,
#ifdef CONFIG_COMPAT
#define COMPAT_SPIOCSTYPE _IOW('q', 0x01, compat_ulong_t)
-static long serport_ldisc_compat_ioctl(struct tty_struct *tty,
+static int serport_ldisc_compat_ioctl(struct tty_struct *tty,
struct file *file,
unsigned int cmd, unsigned long arg)
{
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index a391eacf8cf6..af6027cc7bbf 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -92,6 +92,19 @@ config TOUCHSCREEN_AD7879_SPI
To compile this driver as a module, choose M here: the
module will be called ad7879-spi.
+config TOUCHSCREEN_ADC
+ tristate "Generic ADC based resistive touchscreen"
+ depends on IIO
+ select IIO_BUFFER_CB
+ help
+ Say Y here if you want to use the generic ADC
+ resistive touchscreen driver.
+
+ If unsure, say N (but it's safe to say "Y").
+
+ To compile this driver as a module, choose M here: the
+ module will be called resistive-adc-touch.ko.
+
config TOUCHSCREEN_AR1021_I2C
tristate "Microchip AR1020/1021 i2c touchscreen"
depends on I2C && OF
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index aca7cb04910b..fcc7605fba8d 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o
obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o
obj-$(CONFIG_TOUCHSCREEN_AD7879_I2C) += ad7879-i2c.o
obj-$(CONFIG_TOUCHSCREEN_AD7879_SPI) += ad7879-spi.o
+obj-$(CONFIG_TOUCHSCREEN_ADC) += resistive-adc-touch.o
obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
obj-$(CONFIG_TOUCHSCREEN_AR1021_I2C) += ar1021_i2c.o
obj-$(CONFIG_TOUCHSCREEN_ATMEL_MXT) += atmel_mxt_ts.o
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index 80e69bb8283e..83ac8c128192 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -241,6 +241,9 @@ static int __maybe_unused egalax_ts_suspend(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
int ret;
+ if (device_may_wakeup(dev))
+ return enable_irq_wake(client->irq);
+
ret = i2c_master_send(client, suspend_cmd, MAX_I2C_DATA_LEN);
return ret > 0 ? 0 : ret;
}
@@ -249,6 +252,9 @@ static int __maybe_unused egalax_ts_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
+ if (device_may_wakeup(dev))
+ return disable_irq_wake(client->irq);
+
return egalax_wake_up_device(client);
}
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
index 02fb11985819..42d3fd7e04d7 100644
--- a/drivers/input/touchscreen/migor_ts.c
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Touch Screen driver for Renesas MIGO-R Platform
*
* Copyright (c) 2008 Magnus Damm
* Copyright (c) 2007 Ujjwal Pande <ujjwal@kenati.com>,
* Kenati Technologies Pvt Ltd.
- *
- * This file is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/drivers/input/touchscreen/resistive-adc-touch.c b/drivers/input/touchscreen/resistive-adc-touch.c
new file mode 100644
index 000000000000..cfc8bb4553f7
--- /dev/null
+++ b/drivers/input/touchscreen/resistive-adc-touch.c
@@ -0,0 +1,204 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ADC generic resistive touchscreen (GRTS)
+ * This is a generic input driver that connects to an ADC
+ * given the channels in device tree, and reports events to the input
+ * subsystem.
+ *
+ * Copyright (C) 2017,2018 Microchip Technology,
+ * Author: Eugen Hristev <eugen.hristev@microchip.com>
+ *
+ */
+#include <linux/input.h>
+#include <linux/input/touchscreen.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#define DRIVER_NAME "resistive-adc-touch"
+#define GRTS_DEFAULT_PRESSURE_MIN 50000
+#define GRTS_MAX_POS_MASK GENMASK(11, 0)
+
+/**
+ * grts_state - generic resistive touch screen information struct
+ * @pressure_min: number representing the minimum for the pressure
+ * @pressure: are we getting pressure info or not
+ * @iio_chans: list of channels acquired
+ * @iio_cb: iio_callback buffer for the data
+ * @input: the input device structure that we register
+ * @prop: touchscreen properties struct
+ */
+struct grts_state {
+ u32 pressure_min;
+ bool pressure;
+ struct iio_channel *iio_chans;
+ struct iio_cb_buffer *iio_cb;
+ struct input_dev *input;
+ struct touchscreen_properties prop;
+};
+
+static int grts_cb(const void *data, void *private)
+{
+ const u16 *touch_info = data;
+ struct grts_state *st = private;
+ unsigned int x, y, press = 0x0;
+
+ /* channel data coming in buffer in the order below */
+ x = touch_info[0];
+ y = touch_info[1];
+ if (st->pressure)
+ press = touch_info[2];
+
+ if ((!x && !y) || (st->pressure && (press < st->pressure_min))) {
+ /* report end of touch */
+ input_report_key(st->input, BTN_TOUCH, 0);
+ input_sync(st->input);
+ return 0;
+ }
+
+ /* report proper touch to subsystem*/
+ touchscreen_report_pos(st->input, &st->prop, x, y, false);
+ if (st->pressure)
+ input_report_abs(st->input, ABS_PRESSURE, press);
+ input_report_key(st->input, BTN_TOUCH, 1);
+ input_sync(st->input);
+
+ return 0;
+}
+
+static int grts_open(struct input_dev *dev)
+{
+ int error;
+ struct grts_state *st = input_get_drvdata(dev);
+
+ error = iio_channel_start_all_cb(st->iio_cb);
+ if (error) {
+ dev_err(dev->dev.parent, "failed to start callback buffer.\n");
+ return error;
+ }
+ return 0;
+}
+
+static void grts_close(struct input_dev *dev)
+{
+ struct grts_state *st = input_get_drvdata(dev);
+
+ iio_channel_stop_all_cb(st->iio_cb);
+}
+
+static void grts_disable(void *data)
+{
+ iio_channel_release_all_cb(data);
+}
+
+static int grts_probe(struct platform_device *pdev)
+{
+ struct grts_state *st;
+ struct input_dev *input;
+ struct device *dev = &pdev->dev;
+ struct iio_channel *chan;
+ int error;
+
+ st = devm_kzalloc(dev, sizeof(struct grts_state), GFP_KERNEL);
+ if (!st)
+ return -ENOMEM;
+
+ /* get the channels from IIO device */
+ st->iio_chans = devm_iio_channel_get_all(dev);
+ if (IS_ERR(st->iio_chans)) {
+ error = PTR_ERR(st->iio_chans);
+ if (error != -EPROBE_DEFER)
+ dev_err(dev, "can't get iio channels.\n");
+ return error;
+ }
+
+ chan = &st->iio_chans[0];
+ st->pressure = false;
+ while (chan && chan->indio_dev) {
+ if (!strcmp(chan->channel->datasheet_name, "pressure"))
+ st->pressure = true;
+ chan++;
+ }
+
+ if (st->pressure) {
+ error = device_property_read_u32(dev,
+ "touchscreen-min-pressure",
+ &st->pressure_min);
+ if (error) {
+ dev_dbg(dev, "can't get touchscreen-min-pressure property.\n");
+ st->pressure_min = GRTS_DEFAULT_PRESSURE_MIN;
+ }
+ }
+
+ input = devm_input_allocate_device(dev);
+ if (!input) {
+ dev_err(dev, "failed to allocate input device.\n");
+ return -ENOMEM;
+ }
+
+ input->name = DRIVER_NAME;
+ input->id.bustype = BUS_HOST;
+ input->open = grts_open;
+ input->close = grts_close;
+
+ input_set_abs_params(input, ABS_X, 0, GRTS_MAX_POS_MASK - 1, 0, 0);
+ input_set_abs_params(input, ABS_Y, 0, GRTS_MAX_POS_MASK - 1, 0, 0);
+ if (st->pressure)
+ input_set_abs_params(input, ABS_PRESSURE, st->pressure_min,
+ 0xffff, 0, 0);
+
+ input_set_capability(input, EV_KEY, BTN_TOUCH);
+
+ /* parse optional device tree properties */
+ touchscreen_parse_properties(input, false, &st->prop);
+
+ st->input = input;
+ input_set_drvdata(input, st);
+
+ error = input_register_device(input);
+ if (error) {
+ dev_err(dev, "failed to register input device.");
+ return error;
+ }
+
+ st->iio_cb = iio_channel_get_all_cb(dev, grts_cb, st);
+ if (IS_ERR(st->iio_cb)) {
+ dev_err(dev, "failed to allocate callback buffer.\n");
+ return PTR_ERR(st->iio_cb);
+ }
+
+ error = devm_add_action_or_reset(dev, grts_disable, st->iio_cb);
+ if (error) {
+ dev_err(dev, "failed to add disable action.\n");
+ return error;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id grts_of_match[] = {
+ {
+ .compatible = "resistive-adc-touch",
+ }, {
+ /* sentinel */
+ },
+};
+
+MODULE_DEVICE_TABLE(of, grts_of_match);
+
+static struct platform_driver grts_driver = {
+ .probe = grts_probe,
+ .driver = {
+ .name = DRIVER_NAME,
+ .of_match_table = of_match_ptr(grts_of_match),
+ },
+};
+
+module_platform_driver(grts_driver);
+
+MODULE_AUTHOR("Eugen Hristev <eugen.hristev@microchip.com>");
+MODULE_DESCRIPTION("Generic ADC Resistive Touch Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c
index bda0500c9b57..714affdd742f 100644
--- a/drivers/input/touchscreen/rohm_bu21023.c
+++ b/drivers/input/touchscreen/rohm_bu21023.c
@@ -304,7 +304,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf,
msg[1].len = len;
msg[1].buf = buf;
- i2c_lock_adapter(adap);
+ i2c_lock_bus(adap, I2C_LOCK_SEGMENT);
for (i = 0; i < 2; i++) {
if (__i2c_transfer(adap, &msg[i], 1) < 0) {
@@ -313,7 +313,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf,
}
}
- i2c_unlock_adapter(adap);
+ i2c_unlock_bus(adap, I2C_LOCK_SEGMENT);
return ret;
}
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index da1fdd16855e..09241d4cdebc 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -616,6 +616,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = {
{ "GSL3692", 0 },
{ "MSSL1680", 0 },
{ "MSSL0001", 0 },
+ { "MSSL0002", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match);
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index b71673911aac..11ff32c68025 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ST1232 Touchscreen Controller Driver
*
@@ -7,15 +8,6 @@
* Using code from:
* - android.git.kernel.org: projects/kernel/common.git: synaptics_i2c_rmi.c
* Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/delay.h>
@@ -295,4 +287,4 @@ module_i2c_driver(st1232_ts_driver);
MODULE_AUTHOR("Tony SIM <chinyeow.sim.xt@renesas.com>");
MODULE_DESCRIPTION("SITRONIX ST1232 Touchscreen Controller Driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index b86c1e5fbc11..9e8684ab48f4 100644
--- a/drivers/input/touchscreen/ti_am335x_tsc.c
+++ b/drivers/input/touchscreen/ti_am335x_tsc.c
@@ -27,6 +27,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/sort.h>
+#include <linux/pm_wakeirq.h>
#include <linux/mfd/ti_am335x_tscadc.h>
@@ -46,6 +47,7 @@ static const int config_pins[] = {
struct titsc {
struct input_dev *input;
struct ti_tscadc_dev *mfd_tscadc;
+ struct device *dev;
unsigned int irq;
unsigned int wires;
unsigned int x_plate_resistance;
@@ -276,7 +278,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
if (status & IRQENB_HW_PEN) {
ts_dev->pen_down = true;
irqclr |= IRQENB_HW_PEN;
- pm_stay_awake(ts_dev->mfd_tscadc->dev);
+ pm_stay_awake(ts_dev->dev);
}
if (status & IRQENB_PENUP) {
@@ -286,7 +288,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
input_report_key(input_dev, BTN_TOUCH, 0);
input_report_abs(input_dev, ABS_PRESSURE, 0);
input_sync(input_dev);
- pm_relax(ts_dev->mfd_tscadc->dev);
+ pm_relax(ts_dev->dev);
} else {
ts_dev->pen_down = true;
}
@@ -422,6 +424,7 @@ static int titsc_probe(struct platform_device *pdev)
ts_dev->mfd_tscadc = tscadc_dev;
ts_dev->input = input_dev;
ts_dev->irq = tscadc_dev->irq;
+ ts_dev->dev = &pdev->dev;
err = titsc_parse_dt(pdev, ts_dev);
if (err) {
@@ -436,6 +439,11 @@ static int titsc_probe(struct platform_device *pdev)
goto err_free_mem;
}
+ device_init_wakeup(&pdev->dev, true);
+ err = dev_pm_set_wake_irq(&pdev->dev, ts_dev->irq);
+ if (err)
+ dev_err(&pdev->dev, "irq wake enable failed.\n");
+
titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS);
@@ -467,6 +475,8 @@ static int titsc_probe(struct platform_device *pdev)
return 0;
err_free_irq:
+ dev_pm_clear_wake_irq(&pdev->dev);
+ device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev);
err_free_mem:
input_free_device(input_dev);
@@ -479,6 +489,8 @@ static int titsc_remove(struct platform_device *pdev)
struct titsc *ts_dev = platform_get_drvdata(pdev);
u32 steps;
+ dev_pm_clear_wake_irq(&pdev->dev);
+ device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev);
/* total steps followed by the enable mask */
@@ -499,7 +511,7 @@ static int __maybe_unused titsc_suspend(struct device *dev)
unsigned int idle;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
- if (device_may_wakeup(tscadc_dev->dev)) {
+ if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);
idle = titsc_readl(ts_dev, REG_IRQENABLE);
titsc_writel(ts_dev, REG_IRQENABLE,
@@ -515,11 +527,11 @@ static int __maybe_unused titsc_resume(struct device *dev)
struct ti_tscadc_dev *tscadc_dev;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
- if (device_may_wakeup(tscadc_dev->dev)) {
+ if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQWAKEUP,
0x00);
titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN);
- pm_relax(ts_dev->mfd_tscadc->dev);
+ pm_relax(dev);
}
titsc_step_config(ts_dev);
titsc_writel(ts_dev, REG_FIFO0THR,
diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c
index e0fde590df8e..62973ac01381 100644
--- a/drivers/input/touchscreen/tsc200x-core.c
+++ b/drivers/input/touchscreen/tsc200x-core.c
@@ -68,7 +68,8 @@ const struct regmap_config tsc200x_regmap_config = {
.read_flag_mask = TSC200X_REG_READ,
.write_flag_mask = TSC200X_REG_PND0,
.wr_table = &tsc200x_writable_table,
- .use_single_rw = true,
+ .use_single_read = true,
+ .use_single_write = true,
};
EXPORT_SYMBOL_GPL(tsc200x_regmap_config);
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 5eb2a33111ec..73856c2a8ac0 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -68,7 +68,7 @@
* The default values correspond to Mainstone II in QVGA mode
*
* Please read
- * Documentation/input/input-programming.txt for more details.
+ * Documentation/input/input-programming.rst for more details.
*/
static int abs_x[3] = {150, 4000, 5};