diff options
| author | Takashi Iwai <tiwai@suse.de> | 2017-05-24 22:36:23 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-06-02 19:38:22 +0200 |
| commit | 5c7264cfbb209efea04bbbd69b8b4f5f2fc5f86d (patch) | |
| tree | 851ec067b37a9fd5bfdae9e8211f3cabf25a53d2 /include/sound | |
| parent | ALSA: pcm: More unification of PCM transfer codes (diff) | |
| download | linux-5c7264cfbb209efea04bbbd69b8b4f5f2fc5f86d.tar.xz linux-5c7264cfbb209efea04bbbd69b8b4f5f2fc5f86d.zip | |
ALSA: pcm: Unify read/write loop
Both __snd_pcm_lib_read() and __snd_pcm_write() functions have almost
the same code to loop over samples. For simplification, this patch
unifies both as the single helper, __snd_pcm_lib_xfer().
Other than that, there should be no functional change by this patch.
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 0fac948bb053..db649083c76d 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1072,10 +1072,7 @@ void snd_pcm_set_sync(struct snd_pcm_substream *substream); int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); void snd_pcm_period_elapsed(struct snd_pcm_substream *substream); -snd_pcm_sframes_t __snd_pcm_lib_write(struct snd_pcm_substream *substream, - void *buf, bool interleaved, - snd_pcm_uframes_t frames); -snd_pcm_sframes_t __snd_pcm_lib_read(struct snd_pcm_substream *substream, +snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, void *buf, bool interleaved, snd_pcm_uframes_t frames); @@ -1083,28 +1080,28 @@ static inline snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_write(substream, (void *)buf, true, frames); + return __snd_pcm_lib_xfer(substream, (void *)buf, true, frames); } static inline snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __user *buf, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_read(substream, (void *)buf, true, frames); + return __snd_pcm_lib_xfer(substream, (void *)buf, true, frames); } static inline snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, void __user **bufs, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_write(substream, (void *)bufs, false, frames); + return __snd_pcm_lib_xfer(substream, (void *)bufs, false, frames); } static inline snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, void __user **bufs, snd_pcm_uframes_t frames) { - return __snd_pcm_lib_read(substream, (void *)bufs, false, frames); + return __snd_pcm_lib_xfer(substream, (void *)bufs, false, frames); } int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime); |