Re: [PATCH v3 1/6] asus-wmi: Implement TUF laptop keyboard RGB control
From: Luke Jones
Date: Tue Aug 09 2022 - 05:31:48 EST
On Tue, 2022-08-09 at 11:29 +0200, Andy Shevchenko wrote:
> On Tue, Aug 9, 2022 at 10:56 AM Luke Jones <luke@xxxxxxxxxx> wrote:
> > On Tue, Aug 9 2022 at 10:46:33 +0200, Andy Shevchenko
> > <andy.shevchenko@xxxxxxxxx> wrote:
> > > On Tue, Aug 9, 2022 at 4:51 AM Luke D. Jones <luke@xxxxxxxxxx>
> > > wrote:
>
> ...
>
> > > > + err =
> > > > asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS,
> > > > ASUS_WMI_DEVID_TUF_RGB_MODE,
> > > > + rgb->save | (rgb->mode << 8) |
> > > > (r
> > > > << 16) | (g << 24),
> > > > + (b) | (rgb->speed << 8),
> > >
> > > Too many parentheses.
> >
> > Uh, yeah. I was unable to find concrete info on this. I at one
> > point
> > experienced an issue where the order of operations *without*
> > parentheses ended up as "x | y << (8 | z) << 16". But now I'm not
> > even
> > sure if I remember that correctly. I see the order here
> > https://www.cs.uic.edu/~i109/Notes/COperatorPrecedenceTable.pdf
> >
> > I'll do as said and test it to be certain.
>
> I'm talking about the '(b)' part. The rest is okay to me.
>
Understood, thanks.