Re: [SOUND] hda_intel: build fix

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At Mon, 12 Mar 2007 15:46:47 +0000,Ralf Baechle wrote:> > On Mon, Mar 12, 2007 at 03:43:10PM +0100, Takashi Iwai wrote:> > > Fair enough.  I agree that removing const is the only reasonable fix> > right now.   But from semantics, const is a good thing, and people may> > try to add it again later if we get rid of them now.  So, how about to> > comment out such as /*const*/ in each place to remind that it's> > intentional?> > I consider that harder to read and uglier.  If anything maybe something> like:> > #define __const_devinit> [...]> static __const_devinit struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata => > Worth it?  I doubt.
Well that's really a taste of matter...
> > Also, in your patch to ice1712, you don't have to remove const from the> > codes in snd_ice1712_read_eeprom() and snd_ice1712_probe() functions.> > They should work as const pointer.> > No, that results in warnings:> >   CC      sound/pci/ice1712/ice1712.o> sound/pci/ice1712/ice1712.c: In function ʽsnd_ice1712_read_eepromʼ:> sound/pci/ice1712/ice1712.c:2354: warning: assignment from incompatible pointer type> sound/pci/ice1712/ice1712.c: In function ʽsnd_ice1712_probeʼ:> sound/pci/ice1712/ice1712.c:2693: warning: assignment from incompatible pointer type
Ah, that's a nasty part of C const.  It should be like	const struct snd_ice1712_card_info *c;but for pointer-of-pointer, something like	struct snd_ice1712_card_info * const *tbl;...?

Takashi
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