Re: [PATCH v1] ASoC: starfive: Cleanup and fix error check for JH7110 TDM

From: Mark Brown
Date: Thu Jun 08 2023 - 06:15:51 EST


On Thu, Jun 08, 2023 at 10:15:03AM +0800, Walker Chen wrote:
> On 2023/6/7 19:44, Mark Brown wrote:

> >> - (tdm->rx.wl << WL_BIT) |
> >> - (tdm->rx.sscale << SSCALE_BIT) |
> >> - (tdm->rx.sl << SL_BIT) |
> >> - (tdm->rx.lrj << LRJ_BIT);
> >> + datarx = (tdm->rxwl << 8) |
> >> + (tdm->rxsscale << 4) |
> >> + (tdm->rxsl << 2) |
> >> + TDM_PCMRXCR_LEFT_J;

> > I'm not sure this change to use numbers here is a win - the _BIT
> > definitions look fine (I might've called them _SHIFT but whatever).

> This is Claudiu's advice. Using the macro BIT() to replace these definition of *_BIT,
> it will result in big changes in the code.

I'm questioning doing a change at all.

> Please refer to previous comments:
> https://lore.kernel.org/all/143e2fa2-e85d-8036-4f74-ca250c026c1b@xxxxxxxxxxxxx/

I can't find the comments you're referring to in there.

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