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path: root/drivers/hid/hid-lenovo.c
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Diffstat (limited to 'drivers/hid/hid-lenovo.c')
-rw-r--r--drivers/hid/hid-lenovo.c147
1 files changed, 141 insertions, 6 deletions
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index e6b2ae68b8fb..9cc3e029e9f6 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -37,6 +37,13 @@
/* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
#define LENOVO_KEY_MICMUTE KEY_F20
+/* HID raw events for ThinkPad X12 Tabs*/
+#define TP_X12_RAW_HOTKEY_FN_F4 0x00020003
+#define TP_X12_RAW_HOTKEY_FN_F8 0x38001003
+#define TP_X12_RAW_HOTKEY_FN_F10 0x00000803
+#define TP_X12_RAW_HOTKEY_FN_F12 0x00000403
+#define TP_X12_RAW_HOTKEY_FN_SPACE 0x18001003
+
struct lenovo_drvdata {
u8 led_report[3]; /* Must be first for proper alignment */
int led_state;
@@ -71,6 +78,14 @@ struct lenovo_drvdata {
#define TP10UBKBD_LED_OFF 1
#define TP10UBKBD_LED_ON 2
+/* Function to report raw_events as key events*/
+static inline void report_key_event(struct input_dev *input, int keycode)
+{
+ input_report_key(input, keycode, 1);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+}
+
static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
enum led_brightness value)
{
@@ -133,7 +148,15 @@ static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = {
0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
};
-static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static const __u8 lenovo_yoga7x_kbd_need_fixup_collection[] = {
+ 0x15, 0x00, // Logical Minimum (0)
+ 0x25, 0x65, // Logical Maximum (101)
+ 0x05, 0x07, // Usage Page (Keyboard)
+ 0x19, 0x00, // Usage Minimum (0)
+ 0x29, 0xDD, // Usage Maximum (221)
+};
+
+static const __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
switch (hdev->product) {
@@ -162,6 +185,13 @@ static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
rdesc[260] = 0x01; /* report count (2) = 0x01 */
}
break;
+ case I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_KEYBOARD:
+ if (*rsize == 176 &&
+ memcmp(&rdesc[52], lenovo_yoga7x_kbd_need_fixup_collection,
+ sizeof(lenovo_yoga7x_kbd_need_fixup_collection)) == 0) {
+ rdesc[55] = rdesc[61]; // logical maximum = usage maximum
+ }
+ break;
}
return rdesc;
}
@@ -472,7 +502,11 @@ static int lenovo_input_mapping(struct hid_device *hdev,
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
usage, bit, max);
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
default:
return 0;
@@ -528,11 +562,14 @@ static void lenovo_features_set_cptkbd(struct hid_device *hdev)
/*
* Tell the keyboard a driver understands it, and turn F7, F9, F11 into
- * regular keys
+ * regular keys (Compact only)
*/
- ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
- if (ret)
- hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
+ if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD ||
+ hdev->product == USB_DEVICE_ID_LENOVO_CBTKBD) {
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
+ if (ret)
+ hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
+ }
/* Switch middle button to native mode */
ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
@@ -581,8 +618,12 @@ static ssize_t attr_fn_lock_store(struct device *dev,
case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
lenovo_features_set_cptkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
if (ret)
return ret;
@@ -678,6 +719,57 @@ static const struct attribute_group lenovo_attr_group_cptkbd = {
.attrs = lenovo_attributes_cptkbd,
};
+/* Function to handle Lenovo Thinkpad TAB X12's HID raw inputs for fn keys*/
+static int lenovo_raw_event_TP_X12_tab(struct hid_device *hdev, u32 raw_data)
+{
+ struct hid_input *hidinput;
+ struct input_dev *input = NULL;
+
+ /* Iterate through all associated input devices */
+ list_for_each_entry(hidinput, &hdev->inputs, list) {
+ input = hidinput->input;
+ if (!input)
+ continue;
+
+ switch (raw_data) {
+ /* fn-F20 being used here for MIC mute*/
+ case TP_X12_RAW_HOTKEY_FN_F4:
+ report_key_event(input, LENOVO_KEY_MICMUTE);
+ return 1;
+ /* Power-mode or Airplane mode will be called based on the device*/
+ case TP_X12_RAW_HOTKEY_FN_F8:
+ /*
+ * TP X12 TAB uses Fn-F8 calls Airplanemode
+ * Whereas TP X12 TAB2 uses Fn-F8 for toggling
+ * Power modes
+ */
+ if (hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) {
+ report_key_event(input, KEY_RFKILL);
+ return 1;
+ }
+ report_key_event(input, KEY_PERFORMANCE);
+ return 1;
+ case TP_X12_RAW_HOTKEY_FN_F10:
+ /* TAB1 has PICKUP Phone and TAB2 use Snipping tool*/
+ (hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) ?
+ report_key_event(input, KEY_PICKUP_PHONE) :
+ report_key_event(input, KEY_SELECTIVE_SCREENSHOT);
+ return 1;
+ case TP_X12_RAW_HOTKEY_FN_F12:
+ /* BookMarks/STAR key*/
+ report_key_event(input, KEY_BOOKMARKS);
+ return 1;
+ case TP_X12_RAW_HOTKEY_FN_SPACE:
+ /* Keyboard LED backlight toggle*/
+ report_key_event(input, KEY_KBDILLUMTOGGLE);
+ return 1;
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
static int lenovo_raw_event(struct hid_device *hdev,
struct hid_report *report, u8 *data, int size)
{
@@ -695,6 +787,15 @@ static int lenovo_raw_event(struct hid_device *hdev,
data[2] = 0x01;
}
+ /*
+ * Lenovo TP X12 Tab KBD's Fn+XX is HID raw data defined. Report ID is 0x03
+ * e.g.: Raw data received for MIC mute is 0x00020003.
+ */
+ if (unlikely((hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB
+ || hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2)
+ && size >= 3 && report->id == 0x03))
+ return lenovo_raw_event_TP_X12_tab(hdev, le32_to_cpu(*(__le32 *)data));
+
return 0;
}
@@ -774,8 +875,12 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
return lenovo_event_cptkbd(hdev, field, usage, value);
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
return lenovo_event_tp10ubkbd(hdev, field, usage, value);
default:
return 0;
@@ -1054,8 +1159,12 @@ static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
case USB_DEVICE_ID_LENOVO_TPKBD:
lenovo_led_set_tpkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
break;
}
@@ -1239,8 +1348,15 @@ static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
* We cannot read the state, only set it, so we force it to on here
* (which should be a no-op) to make sure that our state matches the
* keyboard's FN-lock state. This is the same as what Windows does.
+ *
+ * For X12 TAB and TAB2, the default windows behaviour Fn-lock Off.
+ * Adding additional check to ensure the behaviour in case of
+ * Thinkpad X12 Tabs.
*/
- data->fn_lock = true;
+
+ data->fn_lock = !(hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB ||
+ hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2);
+
lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
@@ -1284,8 +1400,12 @@ static int lenovo_probe(struct hid_device *hdev,
case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
ret = lenovo_probe_cptkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
ret = lenovo_probe_tp10ubkbd(hdev);
break;
default:
@@ -1370,8 +1490,12 @@ static void lenovo_remove(struct hid_device *hdev)
case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
lenovo_remove_cptkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_X12_TAB:
+ case USB_DEVICE_ID_LENOVO_X12_TAB2:
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
case USB_DEVICE_ID_LENOVO_X1_TAB:
+ case USB_DEVICE_ID_LENOVO_X1_TAB2:
+ case USB_DEVICE_ID_LENOVO_X1_TAB3:
lenovo_remove_tp10ubkbd(hdev);
break;
}
@@ -1421,6 +1545,16 @@ static const struct hid_device_id lenovo_devices[] = {
*/
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB2) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB2) },
+ { HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_KEYBOARD) },
{ }
};
@@ -1442,4 +1576,5 @@ static struct hid_driver lenovo_driver = {
};
module_hid_driver(lenovo_driver);
+MODULE_DESCRIPTION("HID driver for IBM/Lenovo");
MODULE_LICENSE("GPL");