Commit cd75e05a authored Sep 17, 2014 by Ping Li Committed by Gerrit - the friendly Code Review server Oct 07, 2014

msm: mdss: Update histogram return error type



In case of histogram collection call failure due to histogram is not
enabled, or histogram state is unknown, return ENODATA instead of
EINVALID.

Change-Id: I6996345a19a43752827195b9edf786d62f9cbc75
Signed-off-by: Ping Li <pingli@codeaurora.org>

parent bba41e29

drivers/video/msm/mdss/mdss_mdp_pp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3735,7 +3735,7 @@ static int pp_hist_collect(struct mdp_histogram_data *hist,
		spin_lock_irqsave(&hist_info->hist_lock, flag);
		if ((hist_info->col_en == 0) \|\|
		(hist_info->col_state == HIST_UNKNOWN)) {
		ret = -EINVAL;
		ret = -ENODATA;
		spin_unlock_irqrestore(&hist_info->hist_lock, flag);
		goto hist_collect_exit;
		}