diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2015-08-20 13:43:49 +0300 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 11:57:34 +0300 |
| commit | 803bb384ba619f4e75892787a1d20d6b629c0c73 (patch) | |
| tree | 3de8ca102433d5c6a0e7de39de13f59965d5d682 /drivers/leds | |
| parent | f633a512e8319a1bd428740deccf53b4dc5974e7 (diff) | |
| download | linux-803bb384ba619f4e75892787a1d20d6b629c0c73.tar.xz | |
leds: da903x: 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: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-da903x.c | 46 |
1 files changed, 18 insertions, 28 deletions
diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c index 952ba96e5b38..4752a2b6ba2b 100644 --- a/drivers/leds/leds-da903x.c +++ b/drivers/leds/leds-da903x.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/leds.h> -#include <linux/workqueue.h> #include <linux/mfd/da903x.h> #include <linux/slab.h> @@ -33,9 +32,7 @@ struct da903x_led { struct led_classdev cdev; - struct work_struct work; struct device *master; - enum led_brightness new_brightness; int id; int flags; }; @@ -43,11 +40,13 @@ struct da903x_led { #define DA9030_LED_OFFSET(id) ((id) - DA9030_ID_LED_1) #define DA9034_LED_OFFSET(id) ((id) - DA9034_ID_LED_1) -static void da903x_led_work(struct work_struct *work) +static int da903x_led_set(struct led_classdev *led_cdev, + enum led_brightness value) { - struct da903x_led *led = container_of(work, struct da903x_led, work); + struct da903x_led *led = + container_of(led_cdev, struct da903x_led, cdev); uint8_t val; - int offset; + int offset, ret = -EINVAL; switch (led->id) { case DA9030_ID_LED_1: @@ -57,37 +56,31 @@ static void da903x_led_work(struct work_struct *work) case DA9030_ID_LED_PC: offset = DA9030_LED_OFFSET(led->id); val = led->flags & ~0x87; - val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */ - val |= (0x7 - (led->new_brightness >> 5)) & 0x7; /* PWM<2:0> */ - da903x_write(led->master, DA9030_LED1_CONTROL + offset, val); + val |= value ? 0x80 : 0; /* EN bit */ + val |= (0x7 - (value >> 5)) & 0x7; /* PWM<2:0> */ + ret = da903x_write(led->master, DA9030_LED1_CONTROL + offset, + val); break; case DA9030_ID_VIBRA: val = led->flags & ~0x80; - val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */ - da903x_write(led->master, DA9030_MISC_CONTROL_A, val); + val |= value ? 0x80 : 0; /* EN bit */ + ret = da903x_write(led->master, DA9030_MISC_CONTROL_A, val); break; case DA9034_ID_LED_1: case DA9034_ID_LED_2: offset = DA9034_LED_OFFSET(led->id); - val = (led->new_brightness * 0x5f / LED_FULL) & 0x7f; + val = (value * 0x5f / LED_FULL) & 0x7f; val |= (led->flags & DA9034_LED_RAMP) ? 0x80 : 0; - da903x_write(led->master, DA9034_LED1_CONTROL + offset, val); + ret = da903x_write(led->master, DA9034_LED1_CONTROL + offset, + val); break; case DA9034_ID_VIBRA: - val = led->new_brightness & 0xfe; - da903x_write(led->master, DA9034_VIBRA, val); + val = value & 0xfe; + ret = da903x_write(led->master, DA9034_VIBRA, val); break; } -} -static void da903x_led_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct da903x_led *led; - - led = container_of(led_cdev, struct da903x_led, cdev); - led->new_brightness = value; - schedule_work(&led->work); + return ret; } static int da903x_led_probe(struct platform_device *pdev) @@ -113,15 +106,12 @@ static int da903x_led_probe(struct platform_device *pdev) led->cdev.name = pdata->name; led->cdev.default_trigger = pdata->default_trigger; - led->cdev.brightness_set = da903x_led_set; + led->cdev.brightness_set_blocking = da903x_led_set; led->cdev.brightness = LED_OFF; led->id = id; led->flags = pdata->flags; led->master = pdev->dev.parent; - led->new_brightness = LED_OFF; - - INIT_WORK(&led->work, da903x_led_work); ret = led_classdev_register(led->master, &led->cdev); if (ret) { |