linux-kernel - Re: [PATCH v2 15/21] ALSA: oxygen: use match

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Message-ID: <s5hin736000.wl-tiwai@suse.de>
Date:   Thu, 31 May 2018 22:30:55 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Yisheng Xie <xieyisheng1@...wei.com>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        Clemens Ladisch <clemens@...isch.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 15/21] ALSA: oxygen: use match_string() helper

On Thu, 31 May 2018 21:02:05 +0200,
Andy Shevchenko wrote:
> 
> On Thu, May 31, 2018 at 9:59 PM, Takashi Iwai <tiwai@...e.de> wrote:
> > On Thu, 31 May 2018 20:41:36 +0200,
> > Andy Shevchenko wrote:
> >> On Thu, May 31, 2018 at 2:11 PM, Yisheng Xie <xieyisheng1@...wei.com> wrote:
> 
> >> > +               j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
> >> > +               if (j >= 0) {
> >> > +                       chip->controls[j] = ctl;
> >> > +                       ctl->private_free = oxygen_any_ctl_free;
> >> > +               }
> >>
> >> It looks to me you may get rid of j completely by utilizing existing err.
> >
> > Well, err isn't ideal as it's referred as the actual index.
> > That is, the line below looks weird to me:
> >         chip->controls[err] = ctl;
> >
> > Of course, j isn't the best name, either, but at least, keeping the
> > same variable makes the code conversion logic clearer.
> 
> Works for me either way.
> Thanks!

OK, let's take as is.


thanks,

Takashi