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authorTakashi Iwai <tiwai@suse.de>2018-04-11 17:56:52 +0200
committerTakashi Iwai <tiwai@suse.de>2018-04-17 07:37:13 +0200
commit763e5067aac91ce569a8b1212e6c31968bc7d325 (patch)
tree0cad6a8be1127348f7a5fecf2bbe16b6ee38aa58 /sound/core/pcm_compat.c
parent057666b69b1d51feb389a17ec73722b001aaf3d0 (diff)
downloadlinux-763e5067aac91ce569a8b1212e6c31968bc7d325.tar.bz2
ALSA: pcm: Clean up with snd_pcm_avail() and snd_pcm_hw_avail() helpers
Introduce two new direction-neutral helpers to calculate the avail and hw_avail values, and clean up the code with them. The two separated forward and rewind functions are gathered to the unified functions. No functional change but only code reductions. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_compat.c')
-rw-r--r--sound/core/pcm_compat.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index b719d0bd833e..0be248543f1e 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -44,10 +44,7 @@ static int snd_pcm_ioctl_rewind_compat(struct snd_pcm_substream *substream,
if (get_user(frames, src))
return -EFAULT;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- err = snd_pcm_playback_rewind(substream, frames);
- else
- err = snd_pcm_capture_rewind(substream, frames);
+ err = snd_pcm_rewind(substream, frames);
if (put_user(err, src))
return -EFAULT;
return err < 0 ? err : 0;
@@ -61,10 +58,7 @@ static int snd_pcm_ioctl_forward_compat(struct snd_pcm_substream *substream,
if (get_user(frames, src))
return -EFAULT;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- err = snd_pcm_playback_forward(substream, frames);
- else
- err = snd_pcm_capture_forward(substream, frames);
+ err = snd_pcm_forward(substream, frames);
if (put_user(err, src))
return -EFAULT;
return err < 0 ? err : 0;