Re: [linux-sunxi] [PATCH v5 03/20] ASoC: sun4i-i2s: Change get_sr() and get_wss() to be more explicit

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On Mon, Sep 28, 2020 at 12:37 PM Chen-Yu Tsai <wens@xxxxxxxx> wrote:
>
> On Mon, Sep 28, 2020 at 3:29 AM Clément Péron <peron.clem@xxxxxxxxx> wrote:
> >
> > We are actually using a complex formula to just return a bunch of
> > simple values. Also this formula is wrong for sun4i when calling

BTW, it is entirely possible that the compiler optimizes your switch-case
back into the original complex formula you replaced. :)

> > get_wss() the function return 4 instead of 3.
> >
> > Replace this with a simpler switch case.
> >
> > Also drop the i2s params which is unused and return a simple int as
> > returning an error code could be out of range for an s8 and there is
> > no optim to return a s8 here.
> >
> > Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
>
> Fixes: 619c15f7fac9 ("ASoC: sun4i-i2s: Change SR and WSS computation")
>
> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>




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