PCM operations for DAI links connected with DSP platform component involve communication with DSP firmware by IPCs. As IPC protocol may cause thread to sleep while waiting for a response from DSP, propagate that information to ALSA core by marking all FE DAIs as nonatomic.
Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/soc/intel/boards/broadwell.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c index 648b47190051..77c85f17aca6 100644 --- a/sound/soc/intel/boards/broadwell.c +++ b/sound/soc/intel/boards/broadwell.c @@ -174,6 +174,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { { .name = "System PCM", .stream_name = "System Playback/Capture", + .nonatomic = 1, .dynamic = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .ops = &broadwell_fe_ops, @@ -184,6 +185,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { { .name = "Offload0", .stream_name = "Offload0 Playback", + .nonatomic = 1, .dynamic = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, @@ -192,6 +194,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { { .name = "Offload1", .stream_name = "Offload1 Playback", + .nonatomic = 1, .dynamic = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, @@ -200,6 +203,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { { .name = "Loopback PCM", .stream_name = "Loopback", + .nonatomic = 1, .dynamic = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1,