linux-kernel - Re: [Patch] thinkpad_acpi: fix a build error

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Date:	Fri, 18 Dec 2009 16:10:08 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
Cc:	Xiaotian Feng <xtfeng@...il.com>, Amerigo Wang <amwang@...hat.com>,
	linux-kernel@...r.kernel.org,
	Corentin Chary <corentincj@...aif.net>,
	ibm-acpi-devel@...ts.sourceforge.net,
	Len Brown <len.brown@...el.com>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	akpm@...ux-foundation.org, helight.xu@...il.com
Subject: Re: [Patch] thinkpad_acpi: fix a build error

At Fri, 18 Dec 2009 13:03:24 -0200,
Henrique de Moraes Holschuh wrote:
> 
> On Fri, 18 Dec 2009, Takashi Iwai wrote:
> > At Fri, 18 Dec 2009 12:28:15 -0200,
> > Henrique de Moraes Holschuh wrote:
> > > On Fri, 18 Dec 2009, Takashi Iwai wrote:
> > > > The patch isn't correct (I guess the upstream fix is same?).
> > > > 
> > > > CONFIG_SOUND is a global config for sound subsystem.  The relevant
> > > > functions are ALSA core part, which is CONFIG_SND.
> > > > So, the fix should be:
> > > > 
> > > > 	depends on SND
> > > > 
> > > > instead.
> > > 
> > > Indeed.  Ingo already fixed that too.
> > > 
> > > Although I personally would prefer:
> > > select SOUND
> > > select SND
> > 
> > SND already depends on SOUND, so it's just superfluous.
> 
> No, it is not (test it).  Which is the main reason why select can be a pain.

Ah, OK, it's "select".  Yeah it's a real pain, and should be avoided
in such a case...


Takashi
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