diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/rpi-panel-attiny-regulator.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index 998233f14085..8090b9a485b5 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -207,31 +207,8 @@ static int attiny_update_status(struct backlight_device *bl) return ret; } -static int attiny_get_brightness(struct backlight_device *bl) -{ - struct attiny_lcd *state = bl_get_data(bl); - struct regmap *regmap = state->regmap; - int ret, brightness, i; - - mutex_lock(&state->lock); - - for (i = 0; i < 10; i++) { - ret = regmap_read(regmap, REG_PWM, &brightness); - if (!ret) - break; - } - - mutex_unlock(&state->lock); - - if (ret) - return ret; - - return brightness; -} - static const struct backlight_ops attiny_bl = { .update_status = attiny_update_status, - .get_brightness = attiny_get_brightness, }; static int attiny_gpio_get_direction(struct gpio_chip *gc, unsigned int off) |