[alsa-devel] [PATCH 2/7] ASoC: sti: fix channel status update after playback start

[Arnaud Pouliquen]

If 'IEC958 Playback Default' control is updated during playback,
Channel status needs to be set according to the runtime structure.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen at st.com>
---
 sound/soc/sti/uniperif_player.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c
index c9b4670..00a0fb3 100644
--- a/sound/soc/sti/uniperif_player.c
+++ b/sound/soc/sti/uniperif_player.c
@@ -617,7 +617,11 @@ static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol,
 	iec958->status[3] = ucontrol->value.iec958.status[3];
 	mutex_unlock(&player->ctrl_lock);
 
-	uni_player_set_channel_status(player, NULL);
+	if (player->substream && player->substream->runtime)
+		uni_player_set_channel_status(player,
+					      player->substream->runtime);
+	else
+		uni_player_set_channel_status(player, NULL);
 
 	return 0;
 }
-- 
1.9.1