linux-kernel - Re: [PATCH RFC 6/7] ASoC: tlv320aic26: Add support for DSP

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Date:	Mon, 21 Sep 2015 09:19:23 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	"Cormier, Jonathan" <jcormier@...ticallink.com>,
	Liam Girdwood <lgirdwood@...il.com>
CC:	Bob Duke <bduke@...ticallink.com>,
	Mike Williamson <michael.williamson@...ticallink.com>,
	Mark Brown <broonie@...aro.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, Jyri Sarha <jsarha@...com>,
	Misael Lopez Cruz <misael.lopez@...com>,
	<alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
	Greg Gluszek <greg.gluszek@...ticallink.com>
Subject: Re: [PATCH RFC 6/7] ASoC: tlv320aic26: Add support for DSP_B data
 format

On 09/18/2015 11:11 PM, Cormier, Jonathan wrote:
> Signed-off-by: Cormier, Jonathan <jcormier@...ticallink.com>
> ---
>  sound/soc/codecs/tlv320aic26.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c
> index c3b0a698ea66..5c5641cd28de 100644
> --- a/sound/soc/codecs/tlv320aic26.c
> +++ b/sound/soc/codecs/tlv320aic26.c
> @@ -211,6 +211,7 @@ static int aic26_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
>  	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
>  	case SND_SOC_DAIFMT_I2S:     aic26->datfm = AIC26_DATFM_I2S; break;
>  	case SND_SOC_DAIFMT_DSP_A:   aic26->datfm = AIC26_DATFM_DSP; break;
> +	case SND_SOC_DAIFMT_DSP_B:   aic26->datfm = AIC26_DATFM_DSP; break;

Are you sure about this? According to the datasheet:
www.ti.com/litv/slas412 page 18 there is no bit to change the data delay and
the format the codec supports is DSP_A.

>  	case SND_SOC_DAIFMT_RIGHT_J: aic26->datfm = AIC26_DATFM_RIGHTJ; break;
>  	case SND_SOC_DAIFMT_LEFT_J:  aic26->datfm = AIC26_DATFM_LEFTJ; break;
>  	default:
> 


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