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bcm2835-pcm.c: Support multichannel audio

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popcornmix
2019-04-30 19:15:30 +01:00
committed by Phil Elwell
parent 3d15f92981
commit bb31740eb1
1 changed files with 9 additions and 8 deletions
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17
drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
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@@ -14,9 +14,9 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = {
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
.rate_min = 8000, .rate_min = 8000,
.rate_max = 48000, .rate_max = 192000,
.channels_min = 1, .channels_min = 1,
.channels_max = 2, .channels_max = 2,
.buffer_bytes_max = 128 * 1024, .buffer_bytes_max = 128 * 1024,
@@ -31,15 +31,16 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_spdif_hw = {
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR),
.formats = SNDRV_PCM_FMTBIT_S16_LE, .formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 | .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_48000, SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
.rate_min = 44100, .rate_min = 44100,
.rate_max = 48000, .rate_max = 192000,
.channels_min = 2, .channels_min = 2,
.channels_max = 2, .channels_max = 8,
.buffer_bytes_max = 128 * 1024, .buffer_bytes_max = 512 * 1024,
.period_bytes_min = 1 * 1024, .period_bytes_min = 1 * 1024,
.period_bytes_max = 128 * 1024, .period_bytes_max = 512 * 1024,
.periods_min = 1, .periods_min = 1,
.periods_max = 128, .periods_max = 128,
}; };