msm: mdss: Check if histogram has been disabled in collect



Before setting the histogram state back to ready or idle, check if
the histogram has been disabled to prevent state corruption.

Change-Id: I3973eee852dfcd522bed639a22faa2519d1f2646
Signed-off-by: Benet Clark <benetc@codeaurora.org>

parent de52f151

drivers/video/msm/mdss/mdss_mdp_pp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -3483,7 +3483,8 @@ static int pp_hist_collect(struct mdp_histogram_data *hist,
		spin_unlock_irqrestore(&hist_info->hist_lock, flag);
		goto hist_collect_exit;
		}
		if (hist_info->col_state != HIST_READY) {
		if (hist_info->col_state != HIST_READY &&
		hist_info->col_state != HIST_UNKNOWN) {
		ret = -ENODATA;
		hist_info->col_state = HIST_READY;
		pr_debug("%s: state is not ready: %d",