[ALSA] remove incorrect usage of SNDRV_PCM_INFO_SYNC_START and snd_pcm_set_sync()

Set the SNDRV_PCM_INFO_SYNC_START flag and the substream's sync ID
(only) if the substream actually can be linked to another one.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index 1b787f455576..cd4613a97bd7 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -904,6 +904,8 @@ static int pcxhr_open(struct snd_pcm_substream *subs)
         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
 
+        snd_pcm_set_sync(subs);
+
         mgr->ref_count_rate++;
 
         mutex_unlock(&mgr->setup_mutex);