diff options
Diffstat (limited to 'sound/soc/soc-component.c')
| -rw-r--r-- | sound/soc/soc-component.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index 4356cc320fea..ffa2dd8a21ba 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -1052,6 +1052,24 @@ int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream) return 0; } +int snd_soc_pcm_component_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + struct iov_iter *buf, unsigned long bytes) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_component *component; + int i; + + /* FIXME. it returns 1st copy now */ + for_each_rtd_components(rtd, i, component) + if (component->driver->copy) + return soc_component_ret(component, + component->driver->copy(component, substream, + channel, pos, buf, bytes)); + + return -EINVAL; +} + int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, int channel, unsigned long pos, void __user *buf, unsigned long bytes) |