Unverified Commit 3193abd2 authored Feb 17, 2020 by Kuninori Morimoto Committed by Mark Brown Feb 18, 2020

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>

parent 0f6011fd

include/sound/pcm.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -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

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