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>

diff --git a/sound/soc/dwc/designware_pcm.c b/sound/soc/dwc/designware_pcm.c
index b063c860156967023db185ed7478fefa8c01c889..459ec861e6b6c84c04a7597dde059131523d6654 100644 (file)
--- a/sound/soc/dwc/designware_pcm.c
+++ b/sound/soc/dwc/designware_pcm.c
@@ -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;