usleep_range(1000, 2000);
/* minimum brightness is 0x04 */
ret = lm3630a_write(pchip, REG_BRT_A, bl->props.brightness);
- if (bl->props.brightness < 0x4)
+
+ if (backlight_is_blank(bl) || (backlight_get_brightness(bl) < 0x4))
+ /* turn the string off */
ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDA_ENABLE, 0);
else
ret |= lm3630a_update(pchip, REG_CTRL,
usleep_range(1000, 2000);
/* minimum brightness is 0x04 */
ret = lm3630a_write(pchip, REG_BRT_B, bl->props.brightness);
- if (bl->props.brightness < 0x4)
+
+ if (backlight_is_blank(bl) || (backlight_get_brightness(bl) < 0x4))
+ /* turn the string off */
ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDB_ENABLE, 0);
else
ret |= lm3630a_update(pchip, REG_CTRL,