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Message-id: <1444209048-29415-8-git-send-email-j.anaszewski@samsung.com>
Date: Wed, 07 Oct 2015 11:10:45 +0200
From: Jacek Anaszewski <j.anaszewski@...sung.com>
To: linux-leds@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, pavel@....cz,
sakari.ailus@...ux.intel.com, andrew@...n.ch,
Jacek Anaszewski <j.anaszewski@...sung.com>
Subject: [PATCH v3 07/10] 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@...sung.com>
Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
---
drivers/leds/leds-max77693.c | 57 +++++++-----------------------------------
1 file 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);
--
1.7.9.5
--
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