ASoC: SOF: ipc4-pcm: Delay reporting is only supported for playback direction

The firmware does not provide any information for capture streams via the
shared pipeline registers.

To avoid reporting invalid delay value for capture streams to user space
we need to disable it.

Fixes: af74dbd0dbcf ("ASoC: SOF: ipc4-pcm: allocate time info for pcm delay feature")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Link: https://patch.msgid.link/20250509085951.15696-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index 1a2841899ff5a9b7d9e54ddbff3f1b803c2520f1..c09b424ab863d7c10469ee87c56ccc4c87d0118b 100644 (file)
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -798,7 +798,8 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm
 
                spcm->stream[stream].private = stream_priv;
 
-               if (!support_info)
+               /* Delay reporting is only supported on playback */
+               if (!support_info || stream == SNDRV_PCM_STREAM_CAPTURE)
                        continue;
 
                time_info = kzalloc(sizeof(*time_info), GFP_KERNEL);