[alsa-devel] [PATCH 3/5] ASoC: atmel_ssc_dai: implement left-justified data mode
Codrin.Ciubotariu at microchip.com
Codrin.Ciubotariu at microchip.com
Thu Jul 25 15:15:36 CEST 2019
On 22.07.2019 21:27, Michał Mirosław wrote:
> External E-Mail
>
>
> Signed-off-by: Michał Mirosław <mirq-linux at rere.qmqm.pl>
> ---
> sound/soc/atmel/atmel_ssc_dai.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
> index b2992496e52f..04541d7c33fe 100644
> --- a/sound/soc/atmel/atmel_ssc_dai.c
> +++ b/sound/soc/atmel/atmel_ssc_dai.c
> @@ -564,7 +564,20 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
>
> switch (ssc_p->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) {
>
> + case SND_SOC_DAIFMT_LEFT_J:
> + /* left-justified format */
> + fs_osync = SSC_FSOS_POSITIVE;
> +
> + rcmr = SSC_BF(RCMR_STTDLY, 0)
> + | SSC_BF(RCMR_START, SSC_START_RISING_RF);
> +
> + tcmr = SSC_BF(TCMR_STTDLY, 0)
> + | SSC_BF(TCMR_START, SSC_START_RISING_RF);
> +
> + break;
> +
> case SND_SOC_DAIFMT_I2S:
> + /* I2S format = left-justified with start bit and inverted LRCLK */
> fs_osync = SSC_FSOS_NEGATIVE;
>
> rcmr = SSC_BF(RCMR_STTDLY, 1)
>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu at microchip.com>
Thanks and best regards,
Codrin
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