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#define __play_buf_size 4096
#define __play_buf_cnt 16
#define __cap_buf_size 4096
#define __cap_buf_cnt 16
static const struct snd_pcm_hardware tcc_pcm_hardware_play = {
.info = (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_MMAP_VALID
| SNDRV_PCM_INFO_INTERLEAVED
| SNDRV_PCM_INFO_BLOCK_TRANSFER
| SNDRV_PCM_INFO_PAUSE
| SNDRV_PCM_INFO_RESUME),
.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE),
.rates = SNDRV_PCM_RATE_8000_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 2,
.channels_max = 2,
.period_bytes_min = 1024,
.period_bytes_max = __play_buf_size,
.periods_min = 2,
.periods_max = __play_buf_cnt ,
.buffer_bytes_max = __play_buf_cnt * __play_buf_size ,
.fifo_size = 16, //ignored
};
static const struct snd_pcm_hardware tcc_pcm_hardware_capture = {
.info = (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_MMAP_VALID
| SNDRV_PCM_INFO_INTERLEAVED
| SNDRV_PCM_INFO_BLOCK_TRANSFER
| SNDRV_PCM_INFO_PAUSE
| SNDRV_PCM_INFO_RESUME),
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
.rates = SNDRV_PCM_RATE_8000_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 2,
.channels_max = 2,
.period_bytes_min = 1024,
.period_bytes_max = __cap_buf_size ,
.periods_min = 2,
.periods_max = __cap_buf_cnt,
.buffer_bytes_max = __cap_buf_cnt * __cap_buf_size,
.fifo_size = 16, //ignored
};