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ASoC: kirkwood: 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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1 changed files with 0 additions and 16 deletions
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@ -21,16 +21,6 @@
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#include <sound/soc.h>
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#include "kirkwood.h"
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#define KIRKWOOD_RATES \
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(SNDRV_PCM_RATE_8000_192000 | \
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SNDRV_PCM_RATE_CONTINUOUS | \
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SNDRV_PCM_RATE_KNOT)
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#define KIRKWOOD_FORMATS \
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(SNDRV_PCM_FMTBIT_S16_LE | \
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SNDRV_PCM_FMTBIT_S24_LE | \
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SNDRV_PCM_FMTBIT_S32_LE)
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static struct kirkwood_dma_data *kirkwood_priv(struct snd_pcm_substream *subs)
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{
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struct snd_soc_pcm_runtime *soc_runtime = subs->private_data;
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@ -43,12 +33,6 @@ static struct snd_pcm_hardware kirkwood_dma_snd_hw = {
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_PAUSE),
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.formats = KIRKWOOD_FORMATS,
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.rates = KIRKWOOD_RATES,
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.rate_min = 8000,
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.rate_max = 384000,
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.channels_min = 1,
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.channels_max = 8,
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.buffer_bytes_max = KIRKWOOD_SND_MAX_BUFFER_BYTES,
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.period_bytes_min = KIRKWOOD_SND_MIN_PERIOD_BYTES,
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.period_bytes_max = KIRKWOOD_SND_MAX_PERIOD_BYTES,
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