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authorPeter Ujfalusi <peter.ujfalusi@linux.intel.com>2022-03-10 07:27:14 +0300
committerMark Brown <broonie@kernel.org>2022-03-11 16:41:03 +0300
commit757ce8103c9e5b83cf18a669fe38484b0be3cfaf (patch)
treed475298ed25b318b0303529da9c37853b8943797 /sound/soc/sof/pcm.c
parentd1b1146fc708eff661c2becb9bf78374adde6db7 (diff)
downloadlinux-757ce8103c9e5b83cf18a669fe38484b0be3cfaf.tar.xz
ASoC: SOF: Introduce optional callback to configure stream data offset
Each running audio stream's data have distinct start offset within the stream mailbox area from/to where the host can read/write. Instead of using the struct sof_ipc_pcm_params_reply to configure this offset, add an optional callback which is IPC agnostic. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20220310042720.976809-5-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/pcm.c')
-rw-r--r--sound/soc/sof/pcm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 20459d489bfb..150f9ac872c6 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -276,6 +276,14 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
return ret;
}
+ ret = snd_sof_set_stream_data_offset(sdev, substream,
+ ipc_params_reply.posn_offset);
+ if (ret < 0) {
+ dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n",
+ __func__, spcm->pcm.pcm_id);
+ return ret;
+ }
+
spcm->prepared[substream->stream] = true;
/* save pcm hw_params */