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authorTakashi Iwai <tiwai@suse.de>2014-10-30 15:02:50 +0100
committerTakashi Iwai <tiwai@suse.de>2014-10-30 15:42:27 +0100
commit30b771cf8c3120c5c946811ecc5a9b87a34003a2 (patch)
tree3883bd7d092e5a822759604e3e0b9ead40345334 /sound/core/pcm.c
parentf213d8f79a3928eaa2e2936f8ab40761aac04b95 (diff)
downloadlinux-linaro-stable-30b771cf8c3120c5c946811ecc5a9b87a34003a2.tar.gz
ALSA: pcm: More kerneldoc updates
Add proper kerneldoc comments to the exported functions. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm.c')
-rw-r--r--sound/core/pcm.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 42ded997b223..31acc3df62cd 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -218,6 +218,10 @@ static char *snd_pcm_format_names[] = {
FORMAT(DSD_U32_LE),
};
+/**
+ * snd_pcm_format_name - Return a name string for the given PCM format
+ * @format: PCM format
+ */
const char *snd_pcm_format_name(snd_pcm_format_t format)
{
if ((__force unsigned int)format >= ARRAY_SIZE(snd_pcm_format_names))
@@ -707,7 +711,6 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
}
return 0;
}
-
EXPORT_SYMBOL(snd_pcm_new_stream);
static int _snd_pcm_new(struct snd_card *card, const char *id, int device,
@@ -1155,6 +1158,15 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
return 0;
}
+/**
+ * snd_pcm_notify - Add/remove the notify list
+ * @notify: PCM notify list
+ * @nfree: 0 = register, 1 = unregister
+ *
+ * This adds the given notifier to the global list so that the callback is
+ * called for each registered PCM devices. This exists only for PCM OSS
+ * emulation, so far.
+ */
int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
{
struct snd_pcm *pcm;
@@ -1177,7 +1189,6 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
mutex_unlock(&register_mutex);
return 0;
}
-
EXPORT_SYMBOL(snd_pcm_notify);
#ifdef CONFIG_PROC_FS