[PATCH 2/3] drm/i2c: tda998x: Register ASoC hdmi-codec and add audio DT binding

[Russell King - ARM Linux]

On Fri, Aug 05, 2016 at 06:59:08PM +0100, Mark Brown wrote:
> On Fri, Aug 05, 2016 at 06:04:50PM +0100, Russell King - ARM Linux wrote:
> > On Fri, Aug 05, 2016 at 05:59:59PM +0100, Mark Brown wrote:
> 
> > > We do have some stuff in there in order to handle MFDs - they'll
> > > instantiate a Linux-internal virtual platform device as a child of the
> > > DT device that represents the device as a whole.  We're definitely not
> > > expecting to find anything for parentless platform devices though, it's
> > > only done if the ASoC level device has no of_node and the parent does.
> 
> > And if we make the hdmi-codec device a child of the I2C device which
> > does have an of-node, what will happen?
> 
> It'll pick up that as the DT device to hang things off which I'd expect
> to be the desired outcome given that this is a very similar situation to
> the MFD situation.  I've not been following the full thread so there is
> probably context I'm missing here...

Okay, and that sounds to me like a very reasonable thing to want to
happen - so that the audio side can be clearly identified as being
coupled with the video side.

So, I'm not seeing a problem with my suggestion... I'm actually more
reasons why it's a good thing to want.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.