diff options
| -rw-r--r-- | Documentation/sound/alsa/Channel-Mapping-API.txt | 13 | ||||
| -rw-r--r-- | include/sound/asound.h | 13 | ||||
| -rw-r--r-- | sound/pci/ctxfi/ctpcm.c | 6 |
3 files changed, 23 insertions, 9 deletions
diff --git a/Documentation/sound/alsa/Channel-Mapping-API.txt b/Documentation/sound/alsa/Channel-Mapping-API.txt index 4bbf12d5553f..3c43d1a4ca0e 100644 --- a/Documentation/sound/alsa/Channel-Mapping-API.txt +++ b/Documentation/sound/alsa/Channel-Mapping-API.txt @@ -76,8 +76,10 @@ here is a cut: /* channel positions */ enum { - /* this follows the alsa-lib mixer channel value + 1 */ SNDRV_CHMAP_UNKNOWN = 0, + SNDRV_CHMAP_NA, /* N/A, silent */ + SNDRV_CHMAP_MONO, /* mono stream */ + /* this follows the alsa-lib mixer channel value + 3 */ SNDRV_CHMAP_FL, /* front left */ SNDRV_CHMAP_FR, /* front right */ SNDRV_CHMAP_RL, /* rear left */ @@ -98,8 +100,13 @@ enum { SNDRV_CHMAP_FCH, /* front center high */ SNDRV_CHMAP_FRH, /* front right high */ SNDRV_CHMAP_TC, /* top center */ - SNDRV_CHMAP_NA, /* N/A, silent */ - SNDRV_CHMAP_LAST = SNDRV_CHMAP_NA, + SNDRV_CHMAP_TFL, /* top front left */ + SNDRV_CHMAP_TFR, /* top front right */ + SNDRV_CHMAP_TFC, /* top front center */ + SNDRV_CHMAP_TRL, /* top rear left */ + SNDRV_CHMAP_TRR, /* top rear right */ + SNDRV_CHMAP_TRC, /* top rear center */ + SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC, }; When a PCM stream can provide more than one channel map, you can diff --git a/include/sound/asound.h b/include/sound/asound.h index 27686da0f650..dfe7d441748c 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -474,8 +474,10 @@ enum { /* channel positions */ enum { - /* this follows the alsa-lib mixer channel value + 1 */ SNDRV_CHMAP_UNKNOWN = 0, + SNDRV_CHMAP_NA, /* N/A, silent */ + SNDRV_CHMAP_MONO, /* mono stream */ + /* this follows the alsa-lib mixer channel value + 3 */ SNDRV_CHMAP_FL, /* front left */ SNDRV_CHMAP_FR, /* front right */ SNDRV_CHMAP_RL, /* rear left */ @@ -496,8 +498,13 @@ enum { SNDRV_CHMAP_FCH, /* front center high */ SNDRV_CHMAP_FRH, /* front right high */ SNDRV_CHMAP_TC, /* top center */ - SNDRV_CHMAP_NA, /* N/A, silent */ - SNDRV_CHMAP_LAST = SNDRV_CHMAP_NA, + SNDRV_CHMAP_TFL, /* top front left */ + SNDRV_CHMAP_TFR, /* top front right */ + SNDRV_CHMAP_TFC, /* top front center */ + SNDRV_CHMAP_TRL, /* top rear left */ + SNDRV_CHMAP_TRR, /* top rear right */ + SNDRV_CHMAP_TRC, /* top rear center */ + SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC, }; #define SNDRV_CHMAP_POSITION_MASK 0xffff diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index d317107d98cc..e8a4feb1ed86 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -397,7 +397,7 @@ static struct snd_pcm_ops ct_pcm_capture_ops = { static const struct snd_pcm_chmap_elem surround_map[] = { { .channels = 1, - .map = { SNDRV_CHMAP_UNKNOWN } }, + .map = { SNDRV_CHMAP_MONO } }, { .channels = 2, .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, { } @@ -405,7 +405,7 @@ static const struct snd_pcm_chmap_elem surround_map[] = { static const struct snd_pcm_chmap_elem clfe_map[] = { { .channels = 1, - .map = { SNDRV_CHMAP_UNKNOWN } }, + .map = { SNDRV_CHMAP_MONO } }, { .channels = 2, .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } }, { } @@ -413,7 +413,7 @@ static const struct snd_pcm_chmap_elem clfe_map[] = { static const struct snd_pcm_chmap_elem side_map[] = { { .channels = 1, - .map = { SNDRV_CHMAP_UNKNOWN } }, + .map = { SNDRV_CHMAP_MONO } }, { .channels = 2, .map = { SNDRV_CHMAP_SL, SNDRV_CHMAP_SR } }, { } |