diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/hwmon/ams/ams-input.c | 76 | ||||
| -rw-r--r-- | drivers/hwmon/ams/ams.h | 5 | ||||
| -rw-r--r-- | drivers/hwmon/applesmc.c | 83 |
4 files changed, 66 insertions, 100 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 192953b29b28..e8f44b580f0a 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -148,6 +148,7 @@ config SENSORS_K8TEMP config SENSORS_AMS tristate "Apple Motion Sensor driver" depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL + select INPUT_POLLDEV help Support for the motion sensor included in PowerBooks. Includes implementations for PMU and I2C. @@ -665,6 +666,7 @@ config SENSORS_APPLESMC depends on INPUT && X86 select NEW_LEDS select LEDS_CLASS + select INPUT_POLLDEV default n help This driver provides support for the Apple System Management diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c index ca7095d96ad0..7b81e0c2c2d9 100644 --- a/drivers/hwmon/ams/ams-input.c +++ b/drivers/hwmon/ams/ams-input.c @@ -27,47 +27,32 @@ static unsigned int invert; module_param(invert, bool, 0644); MODULE_PARM_DESC(invert, "Invert input data on X and Y axis"); -static int ams_input_kthread(void *data) +static void ams_idev_poll(struct input_polled_dev *dev) { + struct input_dev *idev = dev->input; s8 x, y, z; - while (!kthread_should_stop()) { - mutex_lock(&ams_info.lock); - - ams_sensors(&x, &y, &z); - - x -= ams_info.xcalib; - y -= ams_info.ycalib; - z -= ams_info.zcalib; - - input_report_abs(ams_info.idev, ABS_X, invert ? -x : x); - input_report_abs(ams_info.idev, ABS_Y, invert ? -y : y); - input_report_abs(ams_info.idev, ABS_Z, z); + mutex_lock(&ams_info.lock); - input_sync(ams_info.idev); + ams_sensors(&x, &y, &z); - mutex_unlock(&ams_info.lock); + x -= ams_info.xcalib; + y -= ams_info.ycalib; + z -= ams_info.zcalib; - msleep(25); - } + input_report_abs(idev, ABS_X, invert ? -x : x); + input_report_abs(idev, ABS_Y, invert ? -y : y); + input_report_abs(idev, ABS_Z, z); - return 0; -} + input_sync(idev); -static int ams_input_open(struct input_dev *dev) -{ - ams_info.kthread = kthread_run(ams_input_kthread, NULL, "kams"); - return IS_ERR(ams_info.kthread) ? PTR_ERR(ams_info.kthread) : 0; -} - -static void ams_input_close(struct input_dev *dev) -{ - kthread_stop(ams_info.kthread); + mutex_unlock(&ams_info.lock); } /* Call with ams_info.lock held! */ static void ams_input_enable(void) { + struct input_dev *input; s8 x, y, z; if (ams_info.idev) @@ -78,27 +63,29 @@ static void ams_input_enable(void) ams_info.ycalib = y; ams_info.zcalib = z; - ams_info.idev = input_allocate_device(); + ams_info.idev = input_allocate_polled_device(); if (!ams_info.idev) return; - ams_info.idev->name = "Apple Motion Sensor"; - ams_info.idev->id.bustype = ams_info.bustype; - ams_info.idev->id.vendor = 0; - ams_info.idev->open = ams_input_open; - ams_info.idev->close = ams_input_close; - ams_info.idev->dev.parent = &ams_info.of_dev->dev; + ams_info.idev->poll = ams_idev_poll; + ams_info.idev->poll_interval = 25; + + input = ams_info.idev->input; + input->name = "Apple Motion Sensor"; + input->id.bustype = ams_info.bustype; + input->id.vendor = 0; + input->dev.parent = &ams_info.of_dev->dev; - input_set_abs_params(ams_info.idev, ABS_X, -50, 50, 3, 0); - input_set_abs_params(ams_info.idev, ABS_Y, -50, 50, 3, 0); - input_set_abs_params(ams_info.idev, ABS_Z, -50, 50, 3, 0); + input_set_abs_params(input, ABS_X, -50, 50, 3, 0); + input_set_abs_params(input, ABS_Y, -50, 50, 3, 0); + input_set_abs_params(input, ABS_Z, -50, 50, 3, 0); - set_bit(EV_ABS, ams_info.idev->evbit); - set_bit(EV_KEY, ams_info.idev->evbit); - set_bit(BTN_TOUCH, ams_info.idev->keybit); + set_bit(EV_ABS, input->evbit); + set_bit(EV_KEY, input->evbit); + set_bit(BTN_TOUCH, input->keybit); - if (input_register_device(ams_info.idev)) { - input_free_device(ams_info.idev); + if (input_register_polled_device(ams_info.idev)) { + input_free_polled_device(ams_info.idev); ams_info.idev = NULL; return; } @@ -108,7 +95,8 @@ static void ams_input_enable(void) static void ams_input_disable(void) { if (ams_info.idev) { - input_unregister_device(ams_info.idev); + input_unregister_polled_device(ams_info.idev); + input_free_polled_device(ams_info.idev); ams_info.idev = NULL; } } diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h index 240730e6bcde..a6221e5dd984 100644 --- a/drivers/hwmon/ams/ams.h +++ b/drivers/hwmon/ams/ams.h @@ -1,5 +1,5 @@ #include <linux/i2c.h> -#include <linux/input.h> +#include <linux/input-polldev.h> #include <linux/kthread.h> #include <linux/mutex.h> #include <linux/spinlock.h> @@ -52,8 +52,7 @@ struct ams { #endif /* Joystick emulation */ - struct task_struct *kthread; - struct input_dev *idev; + struct input_polled_dev *idev; __u16 bustype; /* calibrated null values */ diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 56213b7f8188..571f49e80277 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -28,7 +28,7 @@ #include <linux/delay.h> #include <linux/platform_device.h> -#include <linux/input.h> +#include <linux/input-polldev.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/timer.h> @@ -59,9 +59,9 @@ #define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6 bytes) */ #define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6 bytes) */ -#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ +#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ -#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ +#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ #define MOTION_SENSOR_X_KEY "MO_X" /* r-o sp78 (2 bytes) */ #define MOTION_SENSOR_Y_KEY "MO_Y" /* r-o sp78 (2 bytes) */ @@ -103,7 +103,7 @@ static const char* fan_speed_keys[] = { #define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ #define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ -#define APPLESMC_POLL_PERIOD (HZ/20) /* poll for input every 1/20s */ +#define APPLESMC_POLL_INTERVAL 50 /* msecs */ #define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ #define APPLESMC_INPUT_FLAT 4 @@ -125,8 +125,7 @@ static const int debug; static struct platform_device *pdev; static s16 rest_x; static s16 rest_y; -static struct timer_list applesmc_timer; -static struct input_dev *applesmc_idev; +static struct input_polled_dev *applesmc_idev; static struct class_device *hwmon_class_dev; /* Indicates whether this computer has an accelerometer. */ @@ -138,7 +137,7 @@ static unsigned int applesmc_light; /* Indicates which temperature sensors set to use. */ static unsigned int applesmc_temperature_set; -static struct mutex applesmc_lock; +static DEFINE_MUTEX(applesmc_lock); /* * Last index written to key_at_index sysfs file, and value to use for all other @@ -455,27 +454,12 @@ static void applesmc_calibrate(void) rest_x = -rest_x; } -static int applesmc_idev_open(struct input_dev *dev) -{ - add_timer(&applesmc_timer); - - return 0; -} - -static void applesmc_idev_close(struct input_dev *dev) -{ - del_timer_sync(&applesmc_timer); -} - -static void applesmc_idev_poll(unsigned long unused) +static void applesmc_idev_poll(struct input_polled_dev *dev) { + struct input_dev *idev = dev->input; s16 x, y; - /* Cannot sleep. Try nonblockingly. If we fail, try again later. */ - if (!mutex_trylock(&applesmc_lock)) { - mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); - return; - } + mutex_lock(&applesmc_lock); if (applesmc_read_motion_sensor(SENSOR_X, &x)) goto out; @@ -483,13 +467,11 @@ static void applesmc_idev_poll(unsigned long unused) goto out; x = -x; - input_report_abs(applesmc_idev, ABS_X, x - rest_x); - input_report_abs(applesmc_idev, ABS_Y, y - rest_y); - input_sync(applesmc_idev); + input_report_abs(idev, ABS_X, x - rest_x); + input_report_abs(idev, ABS_Y, y - rest_y); + input_sync(idev); out: - mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); - mutex_unlock(&applesmc_lock); } @@ -821,8 +803,7 @@ static ssize_t applesmc_key_at_index_read_show(struct device *dev, if (!ret) { return info[0]; - } - else { + } else { return ret; } } @@ -1093,6 +1074,7 @@ static int applesmc_dmi_match(const struct dmi_system_id *id) /* Create accelerometer ressources */ static int applesmc_create_accelerometer(void) { + struct input_dev *idev; int ret; ret = sysfs_create_group(&pdev->dev.kobj, @@ -1100,40 +1082,37 @@ static int applesmc_create_accelerometer(void) if (ret) goto out; - applesmc_idev = input_allocate_device(); + applesmc_idev = input_allocate_polled_device(); if (!applesmc_idev) { ret = -ENOMEM; goto out_sysfs; } + applesmc_idev->poll = applesmc_idev_poll; + applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL; + /* initial calibrate for the input device */ applesmc_calibrate(); - /* initialize the input class */ - applesmc_idev->name = "applesmc"; - applesmc_idev->id.bustype = BUS_HOST; - applesmc_idev->dev.parent = &pdev->dev; - applesmc_idev->evbit[0] = BIT(EV_ABS); - applesmc_idev->open = applesmc_idev_open; - applesmc_idev->close = applesmc_idev_close; - input_set_abs_params(applesmc_idev, ABS_X, + /* initialize the input device */ + idev = applesmc_idev->input; + idev->name = "applesmc"; + idev->id.bustype = BUS_HOST; + idev->dev.parent = &pdev->dev; + idev->evbit[0] = BIT(EV_ABS); + input_set_abs_params(idev, ABS_X, -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); - input_set_abs_params(applesmc_idev, ABS_Y, + input_set_abs_params(idev, ABS_Y, -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); - ret = input_register_device(applesmc_idev); + ret = input_register_polled_device(applesmc_idev); if (ret) goto out_idev; - /* start up our timer for the input device */ - init_timer(&applesmc_timer); - applesmc_timer.function = applesmc_idev_poll; - applesmc_timer.expires = jiffies + APPLESMC_POLL_PERIOD; - return 0; out_idev: - input_free_device(applesmc_idev); + input_free_polled_device(applesmc_idev); out_sysfs: sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); @@ -1146,8 +1125,8 @@ out: /* Release all ressources used by the accelerometer */ static void applesmc_release_accelerometer(void) { - del_timer_sync(&applesmc_timer); - input_unregister_device(applesmc_idev); + input_unregister_polled_device(applesmc_idev); + input_free_polled_device(applesmc_idev); sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); } @@ -1184,8 +1163,6 @@ static int __init applesmc_init(void) int count; int i; - mutex_init(&applesmc_lock); - if (!dmi_check_system(applesmc_whitelist)) { printk(KERN_WARNING "applesmc: supported laptop not found!\n"); ret = -ENODEV; |