[alsa-devel] [RFC] ucb1400 touchscreen, irq auto probing and ac97 with its private field

[Dmitry Torokhov]

On Fri, Apr 25, 2008 at 09:35:47AM +0200, Jaroslav Kysela wrote:
> On Fri, 25 Apr 2008, Takashi Iwai wrote:
> 
> > > Sure. I applied the simple 'void *device_private_data' patch, because 
> > > current usage request is really trivial. We can implement complex code to 
> > > handle data for multiple "extra" devices on AC97 bus later.
> > 
> > Actually, it's not "used" yet.  The ucb1000 reads the data but no one
> > stores yet.  And, if its usage request is trivial, we should use "int
> 
> Yes, I hope that the appropriate initialization code will be added to SoC 
> drivers, too.
> 
> > irq" as in the original patch instead of void data and cast.
> 
> But other SoC (or other) drivers might want to pass to extra devices on 
> AC97 bus something different or more complex. Mark Brown already noted
> that. I would keep it as 'void *'.

Need to pass irq data will be fairly common so we should probably have
it in its own right and allow additional data be attached via a void
*.

-- 
Dmitry