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Subject[PATCH v2 11/12] leds: ktd2692: Remove work queue
Date
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>
Cc: Ingi Kim <ingi2.kim@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/leds/leds-ktd2692.c | 41 ++++++-----------------------------------
1 file changed, 6 insertions(+), 35 deletions(-)

diff --git a/drivers/leds/leds-ktd2692.c b/drivers/leds/leds-ktd2692.c
index e37de14..abd04bf 100644
--- a/drivers/leds/leds-ktd2692.c
+++ b/drivers/leds/leds-ktd2692.c
@@ -18,7 +18,6 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
-#include <linux/workqueue.h>

/* Value related the movie mode */
#define KTD2692_MOVIE_MODE_CURRENT_LEVELS 16
@@ -82,7 +81,6 @@ struct ktd2692_context {
/* secures access to the device */
struct mutex lock;
struct regulator *regulator;
- struct work_struct work_brightness_set;

struct gpio_desc *aux_gpio;
struct gpio_desc *ctrl_gpio;
@@ -158,9 +156,12 @@ static void ktd2692_expresswire_write(struct ktd2692_context *led, u8 value)
ktd2692_expresswire_end(led);
}

-static void ktd2692_brightness_set(struct ktd2692_context *led,
- enum led_brightness brightness)
+static int ktd2692_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
{
+ struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
+ struct ktd2692_context *led = fled_cdev_to_led(fled_cdev);
+
mutex_lock(&led->lock);

if (brightness == LED_OFF) {
@@ -174,33 +175,6 @@ static void ktd2692_brightness_set(struct ktd2692_context *led,

ktd2692_expresswire_write(led, led->mode | KTD2692_REG_MODE_BASE);
mutex_unlock(&led->lock);
-}
-
-static void ktd2692_brightness_set_work(struct work_struct *work)
-{
- struct ktd2692_context *led =
- container_of(work, struct ktd2692_context, work_brightness_set);
-
- ktd2692_brightness_set(led, led->torch_brightness);
-}
-
-static void ktd2692_led_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
- struct ktd2692_context *led = fled_cdev_to_led(fled_cdev);
-
- led->torch_brightness = brightness;
- schedule_work(&led->work_brightness_set);
-}
-
-static int ktd2692_led_brightness_set_sync(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
- struct ktd2692_context *led = fled_cdev_to_led(fled_cdev);
-
- ktd2692_brightness_set(led, brightness);

return 0;
}
@@ -381,12 +355,10 @@ static int ktd2692_probe(struct platform_device *pdev)
fled_cdev->ops = &flash_ops;

led_cdev->max_brightness = led_cfg.max_brightness;
- led_cdev->brightness_set = ktd2692_led_brightness_set;
- led_cdev->brightness_set_blocking = ktd2692_led_brightness_set_sync;
+ led_cdev->brightness_set_blocking = ktd2692_led_brightness_set;
led_cdev->flags |= LED_CORE_SUSPENDRESUME | LED_DEV_CAP_FLASH;

mutex_init(&led->lock);
- INIT_WORK(&led->work_brightness_set, ktd2692_brightness_set_work);

platform_set_drvdata(pdev, led);

@@ -408,7 +380,6 @@ static int ktd2692_remove(struct platform_device *pdev)
int ret;

led_classdev_flash_unregister(&led->fled_cdev);
- cancel_work_sync(&led->work_brightness_set);

if (led->regulator) {
ret = regulator_disable(led->regulator);
--
1.7.9.5


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