diff options
Diffstat (limited to 'sound/core/pcm.c')
| -rw-r--r-- | sound/core/pcm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 977d54320a5c..82925709fa12 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -216,6 +216,8 @@ static const char * const snd_pcm_format_names[] = { /** * snd_pcm_format_name - Return a name string for the given PCM format * @format: PCM format + * + * Return: the format name string */ const char *snd_pcm_format_name(snd_pcm_format_t format) { @@ -1005,6 +1007,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream) substream->runtime = NULL; } mutex_destroy(&runtime->buffer_mutex); + snd_fasync_free(runtime->fasync); kfree(runtime); put_pid(substream->pid); substream->pid = NULL; @@ -1028,7 +1031,7 @@ static ssize_t pcm_class_show(struct device *dev, str = "none"; else str = strs[pcm->dev_class]; - return sprintf(buf, "%s\n", str); + return sysfs_emit(buf, "%s\n", str); } static DEVICE_ATTR_RO(pcm_class); @@ -1138,6 +1141,8 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) * 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. + * + * Return: zero if successful, or a negative error code */ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) { |