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PCM: Add SND_CHMAP_API_VERSION definition

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Just to make it easier for apps to support chmap conditionally via
simple ifdefs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-09-11 11:33:31 +02:00
parent b4c64e815a
commit fe81684745
1 changed files with 3 additions and 0 deletions
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3
include/pcm.h
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@ -474,6 +474,9 @@ int snd_pcm_wait(snd_pcm_t *pcm, int timeout);
int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
int snd_pcm_unlink(snd_pcm_t *pcm);
/** channel mapping API version number */
#define SND_CHMAP_API_VERSION ((1 << 16) | (0 << 8) | 0)
/** channel map list type */
enum snd_pcm_chmap_type {
SND_CHMAP_TYPE_NONE = 0,/** unspecified channel position */