diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-11-21 20:07:09 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-11-22 14:38:01 +0100 |
| commit | 1e5ddb6ba73894e6186e6379dde870979852af6d (patch) | |
| tree | d249a309352e1952669115ae954e274c83d6805c /sound | |
| parent | 3b1c952c951d5ae91821386d692bc291e87a17b1 (diff) | |
| download | lwn-1e5ddb6ba73894e6186e6379dde870979852af6d.tar.gz lwn-1e5ddb6ba73894e6186e6379dde870979852af6d.zip | |
ASoC: component: Add sync_stop PCM ops
Add the support of the new PCM sync_stop ops in ASoC component.
It's optional and can be NULL unless you need the sync operation.
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191121190709.29121-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-component.c | 19 | ||||
| -rw-r--r-- | sound/soc/soc-pcm.c | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index 98ef0666add2..58c1320a3521 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -444,6 +444,25 @@ int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream, return snd_pcm_lib_ioctl(substream, cmd, arg); } +int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_component *component; + struct snd_soc_rtdcom_list *rtdcom; + int ret; + + for_each_rtd_components(rtd, rtdcom, component) { + if (component->driver->ioctl) { + ret = component->driver->sync_stop(component, + substream); + if (ret < 0) + return ret; + } + } + + return 0; +} + int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, int channel, unsigned long pos, void __user *buf, unsigned long bytes) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 4dd13c9249ab..4457ac374a0e 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -3020,6 +3020,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) if (drv->ioctl) rtd->ops.ioctl = snd_soc_pcm_component_ioctl; + if (drv->sync_stop) + rtd->ops.sync_stop = snd_soc_pcm_component_sync_stop; if (drv->copy_user) rtd->ops.copy_user = snd_soc_pcm_component_copy_user; if (drv->page) |