linux-kernel - Re: [GIT PULL] sound updates for 4.19-rc1

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Date:   Wed, 15 Aug 2018 19:08:04 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Takashi Iwai <tiwai@...e.de>, Mark Brown <broonie@...nel.org>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] sound updates for 4.19-rc1

On Wed, Aug 15, 2018 at 7:05 PM Joe Perches <joe@...ches.com> wrote:
>
> Why does the commit change snd_hda_gen_add_micmute_led
> to return 0; instead of return 1;
>
> That bit looks wrong.

Well, it changes the comment too, and is clearly intentional.

I guess the logic was to have the usual "0 for success, negative for
error" logic.

Which is good - but dammit, when you change the return value, you
should definitely check and update all the callers.

Because yes, updating the call in alc_fixup_dell_wmi() fixes the
problem for me.

Grr. I wasted a fair amount of time on this.

             Linus