Re: [PATCH v6 3/3] ASoC: sun4i-i2s: Adjust LRCLK width

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On Tue, 27 Aug 2019 at 09:01, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
>
> On Mon, Aug 26, 2019 at 08:07:34PM +0200, codekipper@xxxxxxxxx wrote:
> > From: Marcus Cooper <codekipper@xxxxxxxxx>
> >
> > Some codecs such as i2s based HDMI audio and the Pine64 DAC require
> > a different amount of bit clocks per frame than what is calculated
> > by the sample width. Use the values obtained by the tdm slot bindings
> > to adjust the LRCLK width accordingly.
> >
> > Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
> > ---
> >  sound/soc/sunxi/sun4i-i2s.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
> > index 056a299c03fb..0965a97c96e5 100644
> > --- a/sound/soc/sunxi/sun4i-i2s.c
> > +++ b/sound/soc/sunxi/sun4i-i2s.c
> > @@ -455,7 +455,10 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,
> >               break;
> >
> >       case SND_SOC_DAIFMT_I2S:
> > -             lrck_period = params_physical_width(params);
> > +             if (i2s->slot_width)
> > +                     lrck_period = i2s->slot_width;
> > +             else
> > +                     lrck_period = params_physical_width(params);
> >               break;
>
> That would be the case with the DSP formats too, right?

Maybe....but I need a TDM test volunteer!,
CK
>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
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