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msm_fb: display: perform backlight updates on overlay play

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Perform pending backlight requests on overlay play to handle cases in
which framebuffer updates are not happening to update backlight.

Change-Id: I97a39c8fc9405f308ed684041b171bccc917154d
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>
This commit is contained in:
Adrian Salido-Moreno
2012-01-05 15:32:57 -08:00
committed by Linux Build Service Account
parent 7756577620
commit da2f3cc000
1 changed files with 14 additions and 0 deletions
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14
drivers/video/msm/msm_fb.c
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@@ -2556,6 +2556,7 @@ static int msmfb_overlay_play(struct fb_info *info, unsigned long *argp)
int ret;
struct msmfb_overlay_data req;
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)info->par;
struct msm_fb_panel_data *pdata;
if (mfd->overlay_play_enable == 0) /* nothing to do */
return 0;
@@ -2579,6 +2580,19 @@ static int msmfb_overlay_play(struct fb_info *info, unsigned long *argp)
ret = mdp4_overlay_play(info, &req);
if (unset_bl_level && !bl_updated) {
pdata = (struct msm_fb_panel_data *)mfd->pdev->
dev.platform_data;
if ((pdata) && (pdata->set_backlight)) {
down(&mfd->sem);
mfd->bl_level = unset_bl_level;
pdata->set_backlight(mfd);
bl_level_old = unset_bl_level;
up(&mfd->sem);
}
bl_updated = 1;
}
return ret;
}