Commit 9f0a511f authored Jul 02, 2013 by Shingo Nakao Committed by Tomi Valkeinen Jul 26, 2013

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>

parent 787316b4

drivers/video/backlight/lp855x_bl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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) {