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author | Jacek Anaszewski <j.anaszewski@samsung.com> | 2015-10-07 09:10:45 (GMT) |
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committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 08:57:31 (GMT) |
commit | 7edc00d09da781d3556342a0aa6a5bc2eb386fc2 (patch) | |
tree | 8882b30061429c49cdcfdd8243e0bd92d7a84154 /drivers/leds | |
parent | 648da8ff4849c75061df4ee3d4ffb0ede286d729 (diff) | |
download | linux-7edc00d09da781d3556342a0aa6a5bc2eb386fc2.tar.xz |
leds: max77693: Remove work queue
Now the core implements the work queue, remove it from the drivers,
and switch to using brightness_set_blocking op.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/leds')
-rw-r--r-- | drivers/leds/leds-max77693.c | 57 |
1 files changed, 9 insertions, 48 deletions
diff --git a/drivers/leds/leds-max77693.c b/drivers/leds/leds-max77693.c index 9f7240b..9401e33 100644 --- a/drivers/leds/leds-max77693.c +++ b/drivers/leds/leds-max77693.c @@ -20,7 +20,6 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/slab.h> -#include <linux/workqueue.h> #include <media/v4l2-flash-led-class.h> #define MODE_OFF 0 @@ -62,8 +61,6 @@ struct max77693_sub_led { int fled_id; /* corresponding LED Flash class device */ struct led_classdev_flash fled_cdev; - /* assures led-triggers compatibility */ - struct work_struct work_brightness_set; /* V4L2 Flash device */ struct v4l2_flash *v4l2_flash; @@ -463,10 +460,14 @@ static int max77693_setup(struct max77693_led_device *led, return max77693_set_mode_reg(led, MODE_OFF); } -static int __max77693_led_brightness_set(struct max77693_led_device *led, - int fled_id, enum led_brightness value) +/* LED subsystem callbacks */ +static int max77693_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) { - int ret; + struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev); + struct max77693_sub_led *sub_led = flcdev_to_sub_led(fled_cdev); + struct max77693_led_device *led = sub_led_to_led(sub_led); + int fled_id = sub_led->fled_id, ret; mutex_lock(&led->lock); @@ -494,43 +495,8 @@ static int __max77693_led_brightness_set(struct max77693_led_device *led, ret); unlock: mutex_unlock(&led->lock); - return ret; -} -static void max77693_led_brightness_set_work( - struct work_struct *work) -{ - struct max77693_sub_led *sub_led = - container_of(work, struct max77693_sub_led, - work_brightness_set); - struct max77693_led_device *led = sub_led_to_led(sub_led); - - __max77693_led_brightness_set(led, sub_led->fled_id, - sub_led->torch_brightness); -} - -/* LED subsystem callbacks */ - -static int max77693_led_brightness_set_sync( - struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev); - struct max77693_sub_led *sub_led = flcdev_to_sub_led(fled_cdev); - struct max77693_led_device *led = sub_led_to_led(sub_led); - - return __max77693_led_brightness_set(led, sub_led->fled_id, value); -} - -static void max77693_led_brightness_set( - struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev); - struct max77693_sub_led *sub_led = flcdev_to_sub_led(fled_cdev); - - sub_led->torch_brightness = value; - schedule_work(&sub_led->work_brightness_set); + return ret; } static int max77693_led_flash_brightness_set( @@ -931,16 +897,13 @@ static void max77693_init_fled_cdev(struct max77693_sub_led *sub_led, led_cdev->name = led_cfg->label[fled_id]; - led_cdev->brightness_set = max77693_led_brightness_set; - led_cdev->brightness_set_blocking = max77693_led_brightness_set_sync; + led_cdev->brightness_set_blocking = max77693_led_brightness_set; led_cdev->max_brightness = (led->iout_joint ? led_cfg->iout_torch_max[FLED1] + led_cfg->iout_torch_max[FLED2] : led_cfg->iout_torch_max[fled_id]) / TORCH_IOUT_STEP; led_cdev->flags |= LED_DEV_CAP_FLASH; - INIT_WORK(&sub_led->work_brightness_set, - max77693_led_brightness_set_work); max77693_init_flash_settings(sub_led, led_cfg); @@ -1062,13 +1025,11 @@ static int max77693_led_remove(struct platform_device *pdev) if (led->iout_joint || max77693_fled_used(led, FLED1)) { v4l2_flash_release(sub_leds[FLED1].v4l2_flash); led_classdev_flash_unregister(&sub_leds[FLED1].fled_cdev); - cancel_work_sync(&sub_leds[FLED1].work_brightness_set); } if (!led->iout_joint && max77693_fled_used(led, FLED2)) { v4l2_flash_release(sub_leds[FLED2].v4l2_flash); led_classdev_flash_unregister(&sub_leds[FLED2].fled_cdev); - cancel_work_sync(&sub_leds[FLED2].work_brightness_set); } mutex_destroy(&led->lock); |