diff options
Diffstat (limited to 'sound/soc/soc-component.c')
| -rw-r--r-- | sound/soc/soc-component.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index 20897dce1bec..d503bc9b0850 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -483,3 +483,26 @@ int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, return -EINVAL; } + +struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream, + unsigned long offset) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_rtdcom_list *rtdcom; + struct snd_soc_component *component; + struct page *page; + + for_each_rtdcom(rtd, rtdcom) { + component = rtdcom->component; + + /* FIXME. it returns 1st page now */ + if (component->driver->ops && + component->driver->ops->page) { + page = component->driver->ops->page(substream, offset); + if (page) + return page; + } + } + + return NULL; +} |