[alsa-devel] Thoughts on ASOC v2 driver architecture

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Jun 16 17:45:31 CEST 2008

On Mon, Jun 16, 2008 at 10:36:19AM -0500, Timur Tabi wrote:
> Mark Brown wrote:

> > OOI, I guess that if there were some visible control on the board (eg, a
> > few controls via GPIO) then this would be less of an issue since there
> > would be real hardware for the machine/fabric driver to control?

> Probably not, because the GPIO node in the device tree would be owned by the
> GPIO driver.  I don't think there's a way to have the fabric driver probed from
> the device tree.  It could be probed manually from the arch/powerpc platform driver.

But wouldn't it now be legal to represent the machine driver as a device
in its own right, even if it is connected via GPIOs?

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