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ASoC: sh: Don't set unused struct snd_pcm_hardware fields
The ASoC core assumes that the PCM component of the ASoC card transparently moves data around and does not impose any restrictions on the memory layout or the transfer speed. It ignores all fields from the snd_pcm_hardware struct for the PCM driver that are related to this. Setting these fields in the PCM driver might suggest otherwise though, so rather not set them. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -89,29 +89,12 @@ struct camelot_pcm {
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#define DMABRG_PREALLOC_BUFFER 32 * 1024
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#define DMABRG_PREALLOC_BUFFER 32 * 1024
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#define DMABRG_PREALLOC_BUFFER_MAX 32 * 1024
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#define DMABRG_PREALLOC_BUFFER_MAX 32 * 1024
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/* support everything the SSI supports */
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#define DMABRG_RATES \
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SNDRV_PCM_RATE_8000_192000
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#define DMABRG_FMTS \
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(SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | \
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SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE | \
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SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE | \
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SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3LE | \
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SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_U32_LE)
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static struct snd_pcm_hardware camelot_pcm_hardware = {
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static struct snd_pcm_hardware camelot_pcm_hardware = {
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.info = (SNDRV_PCM_INFO_MMAP |
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_BATCH),
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SNDRV_PCM_INFO_BATCH),
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.formats = DMABRG_FMTS,
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.rates = DMABRG_RATES,
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.rate_min = 8000,
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.rate_max = 192000,
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.channels_min = 2,
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.channels_max = 8, /* max of the SSI */
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.buffer_bytes_max = DMABRG_PERIOD_MAX,
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.buffer_bytes_max = DMABRG_PERIOD_MAX,
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.period_bytes_min = DMABRG_PERIOD_MIN,
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.period_bytes_min = DMABRG_PERIOD_MIN,
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.period_bytes_max = DMABRG_PERIOD_MAX / 2,
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.period_bytes_max = DMABRG_PERIOD_MAX / 2,
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@ -1777,12 +1777,6 @@ static struct snd_pcm_hardware fsi_pcm_hardware = {
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SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE,
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SNDRV_PCM_INFO_PAUSE,
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.formats = FSI_FMTS,
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.rates = FSI_RATES,
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.rate_min = 8000,
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.rate_max = 192000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 64 * 1024,
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.buffer_bytes_max = 64 * 1024,
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.period_bytes_min = 32,
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.period_bytes_min = 32,
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.period_bytes_max = 8192,
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.period_bytes_max = 8192,
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@ -628,12 +628,6 @@ static struct snd_pcm_hardware rsnd_pcm_hardware = {
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SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE,
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SNDRV_PCM_INFO_PAUSE,
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.formats = RSND_FMTS,
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.rates = RSND_RATES,
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.rate_min = 8000,
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.rate_max = 192000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 64 * 1024,
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.buffer_bytes_max = 64 * 1024,
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.period_bytes_min = 32,
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.period_bytes_min = 32,
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.period_bytes_max = 8192,
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.period_bytes_max = 8192,
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