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path: root/drivers/video/backlight/lm3630a_bl.c
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Diffstat (limited to 'drivers/video/backlight/lm3630a_bl.c')
-rw-r--r--drivers/video/backlight/lm3630a_bl.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 26ff4178cc16..e6c0916ec88b 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -189,10 +189,11 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
int ret;
struct lm3630a_chip *pchip = bl_get_data(bl);
enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl;
+ int brightness = backlight_get_brightness(bl);
/* pwm control */
if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0)
- return lm3630a_pwm_ctrl(pchip, bl->props.brightness,
+ return lm3630a_pwm_ctrl(pchip, brightness,
bl->props.max_brightness);
/* disable sleep */
@@ -201,9 +202,9 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
goto out_i2c_err;
usleep_range(1000, 2000);
/* minimum brightness is 0x04 */
- ret = lm3630a_write(pchip, REG_BRT_A, bl->props.brightness);
+ ret = lm3630a_write(pchip, REG_BRT_A, brightness);
- if (backlight_is_blank(bl) || (backlight_get_brightness(bl) < 0x4))
+ if (brightness < 0x4)
/* turn the string off */
ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDA_ENABLE, 0);
else
@@ -263,10 +264,11 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
int ret;
struct lm3630a_chip *pchip = bl_get_data(bl);
enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl;
+ int brightness = backlight_get_brightness(bl);
/* pwm control */
if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0)
- return lm3630a_pwm_ctrl(pchip, bl->props.brightness,
+ return lm3630a_pwm_ctrl(pchip, brightness,
bl->props.max_brightness);
/* disable sleep */
@@ -275,9 +277,9 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
goto out_i2c_err;
usleep_range(1000, 2000);
/* minimum brightness is 0x04 */
- ret = lm3630a_write(pchip, REG_BRT_B, bl->props.brightness);
+ ret = lm3630a_write(pchip, REG_BRT_B, brightness);
- if (backlight_is_blank(bl) || (backlight_get_brightness(bl) < 0x4))
+ if (brightness < 0x4)
/* turn the string off */
ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDB_ENABLE, 0);
else