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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2020-02-17 17:28:19 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-18 23:37:06 +0000 |
| commit | 3193abd26b515ccac65e1c323533cb7f53d06176 (patch) | |
| tree | bfd96baf12c64b722ae11bc8fc507edce2a2cf13 /include/sound | |
| parent | 0f6011fd79a2fb92cb80177fd6bdc8aac3a3cd93 (diff) | |
| download | lwn-3193abd26b515ccac65e1c323533cb7f53d06176.tar.gz lwn-3193abd26b515ccac65e1c323533cb7f53d06176.zip | |
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')
| -rw-r--r-- | include/sound/pcm.h | 5 |
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 |