Merge "msm: mdss: control backlight level during blank and unblank events"
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index 7ef54fe..da2ae5f 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -454,6 +454,7 @@
mfd->ext_ad_ctrl = -1;
mfd->bl_level = 0;
+ mfd->bl_level_prev_scaled = 0;
mfd->bl_scale = 1024;
mfd->bl_min_lvl = 30;
mfd->fb_imgType = MDP_RGBA_8888;
@@ -782,6 +783,7 @@
pdata = dev_get_platdata(&mfd->pdev->dev);
if ((pdata) && (pdata->set_backlight)) {
+ mfd->bl_level_prev_scaled = mfd->bl_level_scaled;
if (!IS_CALIB_MODE_BL(mfd))
mdss_fb_scale_bl(mfd, &temp);
/*
@@ -792,13 +794,13 @@
* as well as setting bl_level to bkl_lvl even though the
* backlight has been set to the scaled value.
*/
- if (mfd->bl_level_old == temp) {
+ if (mfd->bl_level_scaled == temp) {
mfd->bl_level = bkl_lvl;
return;
}
pdata->set_backlight(pdata, temp);
mfd->bl_level = bkl_lvl;
- mfd->bl_level_old = temp;
+ mfd->bl_level_scaled = temp;
if (mfd->mdp.update_ad_input) {
update_ad_input = mfd->mdp.update_ad_input;
@@ -821,7 +823,7 @@
if ((pdata) && (pdata->set_backlight)) {
mfd->bl_level = mfd->unset_bl_level;
pdata->set_backlight(pdata, mfd->bl_level);
- mfd->bl_level_old = mfd->unset_bl_level;
+ mfd->bl_level_scaled = mfd->unset_bl_level;
mfd->bl_updated = 1;
}
}
@@ -858,6 +860,13 @@
schedule_delayed_work(&mfd->idle_notify_work,
msecs_to_jiffies(mfd->idle_time));
}
+
+ mutex_lock(&mfd->bl_lock);
+ if (!mfd->bl_updated) {
+ mfd->bl_updated = 1;
+ mdss_fb_set_backlight(mfd, mfd->bl_level_prev_scaled);
+ }
+ mutex_unlock(&mfd->bl_lock);
break;
case FB_BLANK_VSYNC_SUSPEND:
@@ -879,8 +888,9 @@
mfd->op_enable = false;
curr_pwr_state = mfd->panel_power_on;
- mfd->panel_power_on = false;
mutex_lock(&mfd->bl_lock);
+ mdss_fb_set_backlight(mfd, 0);
+ mfd->panel_power_on = false;
mfd->bl_updated = 0;
mutex_unlock(&mfd->bl_lock);
diff --git a/drivers/video/msm/mdss/mdss_fb.h b/drivers/video/msm/mdss/mdss_fb.h
index 3416b9e..ce0a7f9 100644
--- a/drivers/video/msm/mdss/mdss_fb.h
+++ b/drivers/video/msm/mdss/mdss_fb.h
@@ -189,7 +189,8 @@
u32 bl_min_lvl;
u32 unset_bl_level;
u32 bl_updated;
- u32 bl_level_old;
+ u32 bl_level_scaled;
+ u32 bl_level_prev_scaled;
struct mutex bl_lock;
struct mutex lock;