Re: [alsa-devel] [PATCH 2/6] ASoC: codecs: AK4641 depends onGPIOLIB

From: Mark Brown
Date: Mon Oct 03 2011 - 10:36:06 EST

On Mon, Oct 03, 2011 at 02:45:27PM +0100, Russell King - ARM Linux wrote:
> On Sun, Oct 02, 2011 at 09:41:07PM +0100, Mark Brown wrote:

> > No, gpiolib is one implementation of the GPIO API but if platforms want
> > to go and define their own that's currently OK (personally I think at
> > this point we should just be converting all the stragglers over to
> > gpiolib). As things stand we shouldn't have dependencies on a
> > particular implementation of the API.

> Then it should depend on GENERIC_GPIO (not to be confused with GPIO_GENERIC,
> the generic gpiolib driver), which is the symbol meaning that the GPIO API
> is provided by something.

Not for devices like this where the GPIOs are an optional thing the
driver can use, a dependency is far too strong. Devices like that
should be able to rely on the stubs.
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