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msm: mdss: Reset AD event notification count

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Reset the AD event notification count whenever ALS or backlight
input of AD has been made. This provides a way for user space to
track and sync with the AD sync iteration numbers in driver.

Change-Id: I4e4a2a93378c6abacb4ffbcf8f4a14aaf38789af
Signed-off-by: Ping Li <pingli@codeaurora.org>
This commit is contained in:
Ping Li 2015-10-06 18:39:12 -07:00 • committed by David Keitel
parent a6d4908341
commit dbee1d115f
1 changed files with 10 additions and 8 deletions
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18
drivers/video/fbdev/msm/mdss_mdp_pp.c
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@ -5424,6 +5424,7 @@ static int mdss_mdp_ad_setup(struct msm_fb_data_type *mfd)
struct mdss_data_type *mdata;
u32 bypass = MDSS_PP_AD_BYPASS_DEF, bl;
u32 width;
struct mdss_overlay_private *mdp5_data;
ret = mdss_mdp_get_ad(mfd, &ad);
if (ret == -ENODEV || ret == -EPERM) {
@ -5471,13 +5472,16 @@ static int mdss_mdp_ad_setup(struct msm_fb_data_type *mfd)
if ((ad->cfg.mode == MDSS_AD_MODE_AUTO_STR) &&
(ad->last_bl != bl)) {
ad->last_bl = bl;
ad->calc_itr = ad->cfg.stab_itr;
ad->sts |= PP_AD_STS_DIRTY_VSYNC;
linear_map(bl, &ad->bl_data,
bl_mfd->panel_info->bl_max,
MDSS_MDP_AD_BL_SCALE);
}
ad->calc_itr = ad->cfg.stab_itr;
ad->sts |= PP_AD_STS_DIRTY_VSYNC;
ad->reg_sts |= PP_AD_STS_DIRTY_DATA;
mdp5_data = mfd_to_mdp5_data(mfd);
if (mdp5_data)
mdp5_data->ad_events = 0;
}
if (ad->sts & PP_AD_STS_DIRTY_CFG) {
@ -5625,15 +5629,13 @@ static void pp_ad_calc_worker(struct work_struct *work)
readl_relaxed(base + MDSS_MDP_REG_AD_STR_OUT));
mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF);
}
if (mdp5_data) {
mdp5_data->ad_events++;
sysfs_notify_dirent(mdp5_data->ad_event_sd);
}
if (!ad->calc_itr) {
ad->state &= ~PP_AD_STATE_VSYNC;
ctl->ops.remove_vsync_handler(ctl, &ad->handle);
} else {
if (mdp5_data) {
mdp5_data->ad_events++;
sysfs_notify_dirent(mdp5_data->ad_event_sd);
}
}
mutex_unlock(&ad->lock);
}