diff options
| -rw-r--r-- | drivers/leds/leds-da9052.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/leds/leds-da9052.c b/drivers/leds/leds-da9052.c index 28291b6acc8e..f8c7d82c2652 100644 --- a/drivers/leds/leds-da9052.c +++ b/drivers/leds/leds-da9052.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/leds.h> -#include <linux/workqueue.h> #include <linux/slab.h> #include <linux/mfd/da9052/reg.h> @@ -32,11 +31,9 @@ struct da9052_led { struct led_classdev cdev; - struct work_struct work; struct da9052 *da9052; unsigned char led_index; unsigned char id; - int brightness; }; static unsigned char led_reg[] = { @@ -44,12 +41,13 @@ static unsigned char led_reg[] = { DA9052_LED_CONT_5_REG, }; -static int da9052_set_led_brightness(struct da9052_led *led) +static int da9052_set_led_brightness(struct da9052_led *led, + enum led_brightness brightness) { u8 val; int error; - val = (led->brightness & 0x7f) | DA9052_LED_CONT_DIM; + val = (brightness & 0x7f) | DA9052_LED_CONT_DIM; error = da9052_reg_write(led->da9052, led_reg[led->led_index], val); if (error < 0) @@ -58,21 +56,13 @@ static int da9052_set_led_brightness(struct da9052_led *led) return error; } -static void da9052_led_work(struct work_struct *work) -{ - struct da9052_led *led = container_of(work, struct da9052_led, work); - - da9052_set_led_brightness(led); -} - -static void da9052_led_set(struct led_classdev *led_cdev, +static int da9052_led_set(struct led_classdev *led_cdev, enum led_brightness value) { - struct da9052_led *led; + struct da9052_led *led = + container_of(led_cdev, struct da9052_led, cdev); - led = container_of(led_cdev, struct da9052_led, cdev); - led->brightness = value; - schedule_work(&led->work); + return da9052_set_led_brightness(led, value); } static int da9052_configure_leds(struct da9052 *da9052) @@ -133,13 +123,11 @@ static int da9052_led_probe(struct platform_device *pdev) for (i = 0; i < pled->num_leds; i++) { led[i].cdev.name = pled->leds[i].name; - led[i].cdev.brightness_set = da9052_led_set; + led[i].cdev.brightness_set_blocking = da9052_led_set; led[i].cdev.brightness = LED_OFF; led[i].cdev.max_brightness = DA9052_MAX_BRIGHTNESS; - led[i].brightness = LED_OFF; led[i].led_index = pled->leds[i].flags; led[i].da9052 = dev_get_drvdata(pdev->dev.parent); - INIT_WORK(&led[i].work, da9052_led_work); error = led_classdev_register(pdev->dev.parent, &led[i].cdev); if (error) { @@ -148,7 +136,8 @@ static int da9052_led_probe(struct platform_device *pdev) goto err_register; } - error = da9052_set_led_brightness(&led[i]); + error = da9052_set_led_brightness(&led[i], + led[i].cdev.brightness); if (error) { dev_err(&pdev->dev, "Unable to init led %d\n", led[i].led_index); @@ -166,10 +155,8 @@ static int da9052_led_probe(struct platform_device *pdev) return 0; err_register: - for (i = i - 1; i >= 0; i--) { + for (i = i - 1; i >= 0; i--) led_classdev_unregister(&led[i].cdev); - cancel_work_sync(&led[i].work); - } err: return error; } @@ -187,10 +174,8 @@ static int da9052_led_remove(struct platform_device *pdev) pled = pdata->pled; for (i = 0; i < pled->num_leds; i++) { - led[i].brightness = 0; - da9052_set_led_brightness(&led[i]); + da9052_set_led_brightness(&led[i], LED_OFF); led_classdev_unregister(&led[i].cdev); - cancel_work_sync(&led[i].work); } return 0; |