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ASoC: dwc: Enable 24 bit sample size in PIO mode 

Sample size of 24 bits use in reality 32 bits for storage. We
can safelly enable this sample size and treat the data as
32 bits.

Tested in a x86_64 platform and in ARC AXS101 SDP platform.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jose Abreu 2016-12-27 14:00:54 +00:00 committed by Mark Brown
parent e2f748e06d
commit e21ab17904
1 changed files with 2 additions and 0 deletions
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2
sound/soc/dwc/designware_pcm.c
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@ -80,6 +80,7 @@ static const struct snd_pcm_hardware dw_pcm_hardware = {
.rate_min = 32000,
.rate_max = 48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 2,
@ -175,6 +176,7 @@ static int dw_pcm_hw_params(struct snd_pcm_substream *substream,
dev->tx_fn = dw_pcm_tx_16;
dev->rx_fn = dw_pcm_rx_16;
break;
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S32_LE:
dev->tx_fn = dw_pcm_tx_32;
dev->rx_fn = dw_pcm_rx_32;