From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
ALSA code has SNDRV_PCM_STREAM_PLAYBACK/CAPTURE everywhere. Having for_each_xxxx macro is useful. This patch adds for_each_pcm_streams() for it.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Acked-by: Takashi Iwai tiwai@suse.de --- v3 -> v4
- on Subject, ASoC -> ALSA - on Subject, soc.h -> pcm.h
include/sound/pcm.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index f657ff08f317..2628246b76fa 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -644,6 +644,11 @@ void snd_pcm_stream_unlock_irqrestore(struct snd_pcm_substream *substream, #define snd_pcm_group_for_each_entry(s, substream) \ list_for_each_entry(s, &substream->group->substreams, link_list)
+#define for_each_pcm_streams(stream) \ + for (stream = SNDRV_PCM_STREAM_PLAYBACK; \ + stream <= SNDRV_PCM_STREAM_LAST; \ + stream++) + /** * snd_pcm_running - Check whether the substream is in a running state * @substream: substream to check