Re: [PATCH v5 02/15] ASoC: sun4i-i2s: Add set_tdm_slot functionality

From: Code Kipper
Date: Fri Aug 16 2019 - 02:22:43 EST


On Wed, 14 Aug 2019 at 11:30, Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Wed, Aug 14, 2019 at 08:08:41AM +0200, codekipper@xxxxxxxxx wrote:
> > From: Marcus Cooper <codekipper@xxxxxxxxx>
> >
> > Codecs without a control connection such as i2s based HDMI audio and
> > the Pine64 DAC require a different amount of bit clocks per frame than
>
> This isn't a universal property of CODECs without a control, and it's
> something that CODECs with control can require too.

ACK
>
> > return sun4i_i2s_set_clk_rate(dai, params_rate(params),
> > - params_width(params));
> > + i2s->tdm_slots ?
> > + i2s->slot_width : params_width(params));
>
> Please write normal conditional statements unless there's a strong
> reason to do otherwise, it makes things more legible.
ACK
>
> > +static int sun4i_i2s_set_dai_tdm_slot(struct snd_soc_dai *dai,
> > + unsigned int tx_mask,
> > + unsigned int rx_mask,
> > + int slots, int width)
> > +{
> > + struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
> > +
> > + i2s->tdm_slots = slots;
> > +
> > + i2s->slot_width = width;
> > +
> > + return 0;
> > +}
>
> No validation of the parameters here?
ACK
Thanks,
CK