Re: AC97 touchscreen support

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At Thu, 1 Feb 2007 14:32:56 +0100,
Manuel Lauss wrote:
> 
> Hello,
> 
> Is it possible for the ALSA AC97 layer to support
> a AC97 touchscreen (such as the Wolfson 97xx series
> or the ucb1400) in a generic way? I.e. can I access
> certain registers in the codec from a "platform" driver
> which uses the ac97 bus instead of the platform bus?
> (Is there something like a "struct ac97_driver" which
> works like the "struct platform_driver"? )

That's not planned so far.  Currently, ac97 codec codes are no
individual drivers but a sub-system that belongs to the real driver
(usually bound to a controller chip).  Changing this structure is not
so trivial, I guess.


Takashi

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