Messages in this thread Patch in this message |  | | From | Jose Abreu <> | Subject | [PATCH 2/2] ASoC: dwc: Enable 24 bit sample size in PIO mode | Date | Tue, 27 Dec 2016 14:00:54 +0000 |
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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> Cc: Carlos Palminha <palminha@synopsys.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org --- sound/soc/dwc/designware_pcm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/dwc/designware_pcm.c b/sound/soc/dwc/designware_pcm.c index b063c86..459ec86 100644 --- a/sound/soc/dwc/designware_pcm.c +++ b/sound/soc/dwc/designware_pcm.c @@ -80,6 +80,7 @@ .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; -- 1.9.1
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