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authorTakashi Iwai <tiwai@suse.de>2017-05-21 09:35:21 +0200
committerTakashi Iwai <tiwai@suse.de>2017-06-02 19:38:21 +0200
commitc48f12ee0acbd431d6c3ed249f79a6d68b757058 (patch)
tree516db256cc75f1d745f906edcacdd32a25a0d122 /include/sound
parentbdc4acf7f6eb14a64c549c04c741b18e3afb350e (diff)
downloadlinux-c48f12ee0acbd431d6c3ed249f79a6d68b757058.tar.bz2
ALSA: pcm: Call directly the common read/write helpers
Make snd_pcm_lib_read() and *_write() static inline functions that call the common helper functions directly. This reduces a slight amount of codes, and at the same time, it's a preparation for the further cleanups / fixes. 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.h43
1 files changed, 34 insertions, 9 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 0da5117636ec..0fac948bb053 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1072,15 +1072,40 @@ 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,
- const void __user *buf,
- snd_pcm_uframes_t frames);
-snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream,
- void __user *buf, snd_pcm_uframes_t frames);
-snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
- void __user **bufs, snd_pcm_uframes_t frames);
-snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
- void __user **bufs, snd_pcm_uframes_t frames);
+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,
+ void *buf, bool interleaved,
+ snd_pcm_uframes_t frames);
+
+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);
+}
+
+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);
+}
+
+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);
+}
+
+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);
+}
int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
unsigned int snd_pcm_rate_to_rate_bit(unsigned int rate);