ASoC: core: allow pcms to be registered as nonatomic

ALSA core with commit 257f8cce5d40 - "ALSA: pcm: Allow nonatomic trigger
operations" allows trigger ops to implemented as nonatomic. For ASoC, we can
specify this in dailinks and is updated while snd_pcm is created

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 0d1ade1..76bc944 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -954,6 +954,9 @@ struct snd_soc_dai_link {
        unsigned int symmetric_channels:1;
        unsigned int symmetric_samplebits:1;
 
+       /* Mark this pcm with non atomic ops */
+       bool nonatomic;
+
        /* Do not create a PCM for this DAI link (Backend link) */
        unsigned int no_pcm:1;
 

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 6b0136e..6e3781e 100644 (file)
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2511,6 +2511,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
        /* DAPM dai link stream work */
        INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
 
+       pcm->nonatomic = rtd->dai_link->nonatomic;
        rtd->pcm = pcm;
        pcm->private_data = rtd;