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ALSA: pcm: Add debug-print helper function

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Adds a function getting the stream-name as a string for
a specific stream.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ola Lilja 2012-05-24 15:26:03 +02:00 committed by Mark Brown
parent 656baaebf9
commit 1aad779fcc
1 changed files with 11 additions and 0 deletions
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11
include/sound/pcm.h
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@ -1073,4 +1073,15 @@ 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); const char *snd_pcm_format_name(snd_pcm_format_t format);
/**
* Get a string naming the direction of a stream
*/
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";
}
#endif /* __SOUND_PCM_H */ #endif /* __SOUND_PCM_H */