linux-kernel - Re: [PATCH 1/5] asus-wmi: Add basic support for TUF laptop keyboard RGB

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Message-ID: <CAHp75VfGSpYsX_bAebtU3TbjzAK7fmYioJB88X8p3NG5BDA2+g@mail.gmail.com>
Date:   Sat, 6 Aug 2022 12:27:04 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Luke Jones <luke@...nes.dev>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/5] asus-wmi: Add basic support for TUF laptop keyboard RGB

On Sat, Aug 6, 2022 at 12:16 PM Luke Jones <luke@...nes.dev> wrote:
> On Sat, Aug 6 2022 at 11:44:33 +0200, Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> > On Fri, Aug 5, 2022 at 10:20 AM Luke D. Jones <luke@...nes.dev> wrote:

...

> >>   #include <linux/leds.h>
> >>  +#include <linux/led-class-multicolor.h>
> >
> > Not sure about the ordering ('-' vs. 's') in locale C.
>
> I used hid-playstation.c as a reference and followed that ordering.

Try something like this:

  LC_ALL=c sort

for these two lines and see if the ordering is the same.

...

> >>  +       if (err) {
> >>  +               pr_err("Unable to set TUF RGB data?\n");
> >
> > Why not dev_err() ?
>
> I didn't know about it? Is there an example or doc on its use?

Thousands of examples in the kernel source tree. The point is if you
have a device (instance) available, use it for messaging.

> >>  +               return err;
> >>  +       }
> >>  +       return 0;
> >
> > return err;
>
> Something like this then?
>
> if (err) {
>         pr_err("Unable to set TUF RGB data?\n");
> }
> return err;
>
> If so, done.

No parentheses. Have you run checkpatch.pl?

Something like

  if (err)
    dev_err(...);

  return err;

> >>  +}

-- 
With Best Regards,
Andy Shevchenko