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| author | Takashi Iwai <tiwai@suse.de> | 2012-07-27 20:27:00 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-09-06 20:01:16 +0400 |
| commit | 2d3391ec0ecca37efb6bc995906292f47522b471 (patch) | |
| tree | 129e8bce7b18bb9de48d6bc0e63806d22b40ad99 /Documentation/cpuidle | |
| parent | a8d372f171db9b90a64778fbcd9237c9bc256e06 (diff) | |
| download | linux-2d3391ec0ecca37efb6bc995906292f47522b471.tar.xz | |
ALSA: PCM: channel mapping API implementation
This patch implements the basic data types for the standard channel
mapping API handling.
- The definitions of the channel positions and the new TLV types are
added in sound/asound.h and sound/tlv.h, so that they can be
referred from user-space.
- Introduced a new helper function snd_pcm_add_chmap_ctls() to create
control elements representing the channel maps for each PCM
(sub)stream.
- Some standard pre-defined channel maps are provided for
convenience.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/cpuidle')
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