Re: linux-next: Tree for May 1 (media/usb/stk1160)

[Yann E. MORIN]

On Wed, May 01, 2013 at 10:59:07AM -0700, Randy Dunlap wrote:
> On 05/01/13 01:37, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Please do not add any v3.11 destined work to your linux-next included
> > branches until after v3.10-rc1 is released.
> > 
> > Changes since 20130430:
> > 
> 
> 
> When CONFIG_SND=m and CONFIG_SND_AC97_CODEC=m and
> CONFIG_VIDEO_STK1160=y
> CONFIG_VIDEO_STK1160_AC97=y
> 
> drivers/built-in.o: In function `stk1160_ac97_register':
> (.text+0x122706): undefined reference to `snd_card_create'
> drivers/built-in.o: In function `stk1160_ac97_register':
> (.text+0x1227b2): undefined reference to `snd_ac97_bus'
> drivers/built-in.o: In function `stk1160_ac97_register':
> (.text+0x1227cd): undefined reference to `snd_card_free'
> drivers/built-in.o: In function `stk1160_ac97_register':
> (.text+0x12281b): undefined reference to `snd_ac97_mixer'
> drivers/built-in.o: In function `stk1160_ac97_register':
> (.text+0x122832): undefined reference to `snd_card_register'
> drivers/built-in.o: In function `stk1160_ac97_unregister':
> (.text+0x12285e): undefined reference to `snd_card_free'
> 
> 
> This kconfig fragment:
> config VIDEO_STK1160_AC97
> 	bool "STK1160 AC97 codec support"
> 	depends on VIDEO_STK1160 && SND
> 	select SND_AC97_CODEC
> 
> is unreliable (doesn't do what some people expect) when SND=m and SND_AC97_CODEC=m,
> since VIDEO_STK1160_AC97 is a bool.

I'm not sure to understand what you want, here.
I find it valid that a 'bool' can 'select' a 'tristate', to force it to 'y'.

Do you mean there is an issue with Kconfig, the parser?
  -> should Kconfig warn or error out in such a case?

Or do you mean the structure above is wrong, and should be ammended?
  -> change the 'select' to a 'depends on'?
  -> change the symbol to a tristate?

Regards,
Yann E. MORIN.

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