diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2020-07-19 10:07:39 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2020-07-20 10:27:05 +0100 |
| commit | de7b490cdfe46e34e3eb567019b4e3b3747b5c0b (patch) | |
| tree | 1126fa018b078b770743e83419af90d7a471d45a /drivers/video/backlight/gpio_backlight.c | |
| parent | 24d34617c24f9d41953f76f2fbf282334584f5db (diff) | |
| download | linux-de7b490cdfe46e34e3eb567019b4e3b3747b5c0b.tar.bz2 | |
backlight: gpio_backlight: Simplify update_status()
Introduce the use of backlight_get_brightness() to simplify the
update_status() operation. With the simpler implementation drop the
gpio_backlight_get_next_brightness() helper as it was now a
one-liner.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/video/backlight/gpio_backlight.c')
| -rw-r--r-- | drivers/video/backlight/gpio_backlight.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c index 75409ddfba3e..6f78d928f054 100644 --- a/drivers/video/backlight/gpio_backlight.c +++ b/drivers/video/backlight/gpio_backlight.c @@ -21,24 +21,11 @@ struct gpio_backlight { struct gpio_desc *gpiod; }; -static int gpio_backlight_get_next_brightness(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK || - bl->props.fb_blank != FB_BLANK_UNBLANK || - bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) - brightness = 0; - - return brightness; -} - static int gpio_backlight_update_status(struct backlight_device *bl) { struct gpio_backlight *gbl = bl_get_data(bl); - int brightness = gpio_backlight_get_next_brightness(bl); - gpiod_set_value_cansleep(gbl->gpiod, brightness); + gpiod_set_value_cansleep(gbl->gpiod, backlight_get_brightness(bl)); return 0; } @@ -108,7 +95,7 @@ static int gpio_backlight_probe(struct platform_device *pdev) bl->props.brightness = 1; - init_brightness = gpio_backlight_get_next_brightness(bl); + init_brightness = backlight_get_brightness(bl); ret = gpiod_direction_output(gbl->gpiod, init_brightness); if (ret) { dev_err(dev, "failed to set initial brightness\n"); |