From 48c7699fb2c799d084ce490bceea14fe04ad12a1 Mon Sep 17 00:00:00 2001
From: Vinod Koul <vinod.koul@intel.com>
Date: Thu, 12 Feb 2015 09:59:53 +0530
Subject: [PATCH] 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>
---
include/sound/soc.h | 3 +++
sound/soc/soc-pcm.c | 1 +
2 files changed, 4 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 0d1ade195628..76bc944dcb5c 100644
--- 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 6b0136e7cb88..6e3781e88f9a 100644
--- 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;
--
2.34.1