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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2020-02-17 11:28:19 +0300
committerMark Brown <broonie@kernel.org>2020-02-19 02:37:06 +0300
commit3193abd26b515ccac65e1c323533cb7f53d06176 (patch)
treebfd96baf12c64b722ae11bc8fc507edce2a2cf13 /include/sound/pcm.h
parent0f6011fd79a2fb92cb80177fd6bdc8aac3a3cd93 (diff)
downloadlinux-3193abd26b515ccac65e1c323533cb7f53d06176.tar.xz
ALSA: pcm.h: add for_each_pcm_streams()
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> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/874kvpbotq.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r--include/sound/pcm.h5
1 files changed, 5 insertions, 0 deletions
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