msm: mdss: Turn off backlight while power off



Turn off the backlight while system power off as it
could show white flicker depending on the panel.

Change-Id: I282b7f7e716e09ed7700bcfe3941ca4c880c604f
Signed-off-by: Shuo Yan <shuoy@codeaurora.org>

parent c21c3baf

drivers/video/msm/mdss/mdp3_ctrl.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -523,6 +523,9 @@ static int mdp3_ctrl_off(struct msm_fb_data_type *mfd)
		panel = mdp3_session->panel;
		mutex_lock(&mdp3_session->lock);

		if (panel && panel->set_backlight)
		panel->set_backlight(panel, 0);

		if (!mdp3_session->status) {
		pr_debug("fb%d is off already", mfd->index);
		goto off_error;