6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peter Ujfalusi peter.ujfalusi@linux.intel.com
commit 98db16f314b3a0d6e5acd94708ea69751436467f upstream.
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.c... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/soc/sof/ipc4-pcm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/sound/soc/sof/ipc4-pcm.c +++ b/sound/soc/sof/ipc4-pcm.c @@ -621,7 +621,8 @@ static int sof_ipc4_pcm_setup(struct snd return -ENOMEM; }
- if (!support_info) + /* Delay reporting is only supported on playback */ + if (!support_info || stream == SNDRV_PCM_STREAM_CAPTURE) continue;
stream_info = kzalloc(sizeof(*stream_info), GFP_KERNEL);