diff options
| author |   Shingo Nakao <shingo.x.nakao@sonymobile.com> | 2013-07-02 14:15:54 +0200 |
|---|---|---|
| committer |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-07-26 11:44:51 +0300 |
| commit | 9f0a511f4a227c58c45b65c10fd2b85586360f67 (patch) | |
| tree | fae389a480adc67d5f86148f0b409fa4a4278cf5 /drivers/video/backlight/lp855x_bl.c | |
| parent | drivers/video: remove unused parameter in Kconfig (diff) | |
| download | linux-dev-9f0a511f4a227c58c45b65c10fd2b85586360f67.tar.xz linux-dev-9f0a511f4a227c58c45b65c10fd2b85586360f67.zip | |
backlight: lp855x: set zero brightness at FBBLANK
When backlight turns on early from display, a white line can be
seen on the screen. Therefore make sure backlight is off when we
are under an fb blank event.
Signed-off-by: Shingo Nakao <shingo.x.nakao@sonymobile.com>
Cc: Milo Kim <milo.kim@ti.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Oskar Andero <oskar.andero@sonymobile.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/backlight/lp855x_bl.c')
| -rw-r--r-- | drivers/video/backlight/lp855x_bl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index a0e1e02bdc2e..c0b41f13bd4a 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -246,7 +246,7 @@ static int lp855x_bl_update_status(struct backlight_device *bl) { struct lp855x *lp = bl_get_data(bl); - if (bl->props.state & BL_CORE_SUSPENDED) + if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) bl->props.brightness = 0; if (lp->mode == PWM_BASED) { |