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authorOla Lilja <ola.o.lilja@stericsson.com>2012-05-24 15:26:03 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-03 13:06:38 +0100
commit1aad779fccdbb4d79af7b9de93dfd2bfe807e052 (patch)
tree70904cf7378a8b58f60dd181630cdf63b1ab6f47 /include/sound/pcm.h
parent656baaebf92ae9b16644c7e10a273d8dfe1ba1f6 (diff)
downloadlinux-1aad779fccdbb4d79af7b9de93dfd2bfe807e052.tar.bz2
ALSA: pcm: Add debug-print helper function
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>
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r--include/sound/pcm.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 0d1112815be3..a55d5db7eb5a 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -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);
+/**
+ * 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 */