ALSA: Add snd_pcm_direction_name() helper
Allow for retrieving string naming a direction of a stream without the need of substream pointer. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20220511162403.3987658-2-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
parent
be1a63daff
commit
90b12a88b7
|
@ -1392,6 +1392,20 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
|
|||
|
||||
const char *snd_pcm_format_name(snd_pcm_format_t format);
|
||||
|
||||
/**
|
||||
* snd_pcm_direction_name - Get a string naming the direction of a stream
|
||||
* @direction: Stream's direction, one of SNDRV_PCM_STREAM_XXX
|
||||
*
|
||||
* Returns a string naming the direction of the stream.
|
||||
*/
|
||||
static inline const char *snd_pcm_direction_name(int direction)
|
||||
{
|
||||
if (direction == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return "Playback";
|
||||
else
|
||||
return "Capture";
|
||||
}
|
||||
|
||||
/**
|
||||
* snd_pcm_stream_str - Get a string naming the direction of a stream
|
||||
* @substream: the pcm substream instance
|
||||
|
@ -1400,10 +1414,7 @@ const char *snd_pcm_format_name(snd_pcm_format_t format);
|
|||
*/
|
||||
static inline const char *snd_pcm_stream_str(struct snd_pcm_substream *substream)
|
||||
{
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
return "Playback";
|
||||
else
|
||||
return "Capture";
|
||||
return snd_pcm_direction_name(substream->stream);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
Loading…
Reference in New Issue