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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-27 09:33:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-27 09:33:21 +0200
commite947861d0ccbc765af4512a395251e6af6857600 (patch)
treee2b8d646f40016e887162bcaf53859edaae15bc9 /sound/soc/soc-pcm.c
parent6f1c0268a4871a80c0ec78142eeb1fe0556e898a (diff)
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
downloadlwn-e947861d0ccbc765af4512a395251e6af6857600.tar.gz
lwn-e947861d0ccbc765af4512a395251e6af6857600.zip
Merge 5.7-rc3 into tty-next
We need the tty/serial fixes in here too. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r--sound/soc/soc-pcm.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 289aebc15529..1f302de44052 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2911,8 +2911,17 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
int i;
if (rtd->dai_link->dynamic || rtd->dai_link->no_pcm) {
- playback = rtd->dai_link->dpcm_playback;
- capture = rtd->dai_link->dpcm_capture;
+ cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ if (rtd->num_cpus > 1) {
+ dev_err(rtd->dev,
+ "DPCM doesn't support Multi CPU yet\n");
+ return -EINVAL;
+ }
+
+ playback = rtd->dai_link->dpcm_playback &&
+ snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_PLAYBACK);
+ capture = rtd->dai_link->dpcm_capture &&
+ snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_CAPTURE);
} else {
/* Adapt stream for codec2codec links */
int cpu_capture = rtd->dai_link->params ?