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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2021-09-07 13:44:36 -0500
committerMark Brown <broonie@kernel.org>2021-09-09 14:16:24 +0100
commit58eafe1ff52ee1ce255759fc15729519af180cbb (patch)
tree1be539c077e86f35aa18d1e2f0ea4ba107e41d8b /sound/soc
parentfcb958ee8e832e9cdf43408535207e15f14af755 (diff)
ASoC: Intel: sof_sdw: tag SoundWire BEs as non-atomic
The SoundWire BEs make use of 'stream' functions for .prepare and .trigger. These functions will in turn force a Bank Switch, which implies a wait operation. Mark SoundWire BEs as nonatomic for consistency, but keep all other types of BEs as is. The initialization of .nonatomic is done outside of the create_sdw_dailink helper to avoid adding more parameters to deal with a single exception to the rule that BEs are atomic. Suggested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Bard Liao <bard.liao@intel.com> Link: https://lore.kernel.org/r/20210907184436.33152-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/intel/boards/sof_sdw.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 6602eda89e8e..6b06248a9327 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -929,6 +929,11 @@ static int create_sdw_dailink(struct snd_soc_card *card,
cpus + *cpu_id, cpu_dai_num,
codecs, codec_num,
NULL, &sdw_ops);
+ /*
+ * SoundWire DAILINKs use 'stream' functions and Bank Switch operations
+ * based on wait_for_completion(), tag them as 'nonatomic'.
+ */
+ dai_links[*be_index].nonatomic = true;
ret = set_codec_init_func(card, link, dai_links + (*be_index)++,
playback, group_id);