Re: [RFC] add bus driver model support for ad hoc AC97 drivers

[Takashi Iwai <tiwai@suse.de>]

At Fri, 04 Mar 2005 16:26:05 +0000,
Liam Girdwood wrote:
> 
> On Wed, 2005-01-26 at 16:26, Nicolas Pitre wrote:
> > I would like to know what people think of the following patch.  It 
> > allows for a codec on an AC97 bus to be shared with other drivers which 
> > are completely unrelated to audio.  It registers a new bus type, and 
> > whenever a codec instance is created then a device for it is also 
> > registered with the driver model using that bus type.  This allows, for 
> > example, to use the extra features of the UCB1400 like the touchscreen 
> > interface and the additional GPIOs and ADCs available on that chip for 
> > battery monitoring.  I have a working UCB1400 touchscreen driver here 
> > that simply registers with the driver model happily working alongside 
> > with audio features using this.
> > 
> 
> 
> Any chance this patch can make it into CVS ?
> I have a couple of AC97 control based audio and touch drivers that now
> use it for AC97 access.

The patch looks fine to me (except for the compatibility issue with
older kernels).

One missing fix is for codec names including '/'.


Takashi


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