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SubjectRe: [PATCH RFC 6/7] ASoC: tlv320aic26: Add support for DSP_B data format
On Mon, Sep 21, 2015 at 2:19 AM, Peter Ujfalusi <peter.ujfalusi@ti.com> wrote:
>
> On 09/18/2015 11:11 PM, Cormier, Jonathan wrote:
> > Signed-off-by: Cormier, Jonathan <jcormier@criticallink.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.
I went with DSP_B because thats what the 335x EVM had set and when
comparing the tlv320aic26 datasheet to the tlv320aic32 for the DSP
mode it seemed to match. I had been getting garbled audio playback
when I tested with DSP_A but I just retested to be sure and now DSP_A
appears to work just the same as DSP_B. So I suggest we drop this
patch.
>
> > 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:
> >
>
>
> --
> Péter


--
Jonathan Cormier
CriticalLink


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