Re: [patch 2.6.27-rc6-omap] ASOC: quieter boot for non-Overo boards

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On Thursday 25 September 2008, Steve Sakoman wrote:
> On Thu, 2008-09-25 at 09:50 -0700, David Brownell wrote:
> > On Thursday 25 September 2008, Tony Lindgren wrote:
> > > > Get rid of bogus ASOC boot messages on non-Overo boards.
> > > 
> > > I'm not touching this without an ack from alsa list :)
> > 
> > Has this driver even gone to that list yet?  ;)
> 
> Yes, the initial submission was reviewed and acked by folks on
> alsa-devel.
> 
> And now that I think of it, this code should never execute on non-overo
> boards since they will have their own machine ASoC driver!  So this
> patch isn't really necessary.

But it *did* execute on a Beagle.  The kernel had both
Overo and Beagle configured in.

Ergo the $SUBJECT patch.  :)


> > I haven't really looked at initialization for this yet,
> > but my initial reaction to seeing the Beagle's version
> > of the overo.c file is that more sharing should exist.
> > (Wasn't the beagle ASOC init described as a clone?)
> 
> This was discussed, but since the overo has some additional
> functionality that will be added to the machine portion of the driver it
> was decided to have separate machine files for overo and beagle.  I'm
> waiting for an overo "buddy" board that brings out the additional
> microphone inputs before I can add and test this functionality.

OK.  The amount of code isn't actually that much, but
what's there looks like it should be sharable.


> > And then ... that, hey, this should hook into the same
> > MFD-style initialization as we're making the other
> > twl4030 code use.
> > 
> > And finally ... whoa, maybe someone else can split
> > out the board-specific bits so they can be put in
> > the arch/arm/mach-omap2/board-XYZ.c files, since I'd
> > surely lose a lot of time learning ASOC if I were
> > to start that!  (These messages are right at the
> > core of that bit.)
> 
> Putting the board specific bits in the arch/arm/mach-omap2/board-XYZ.c
> file has been discussed a number of times on alsa-devel and the folks
> there insist that for now (i.e. ASoC V1) this is the proper way to do
> things.

Hmm, I'm not sure I follow.  They want the SOC devices
in the wrong place in the driver model tree, potentially
impacting power management?

I don't want to fight that fight, but ... that seems unwise.

- Dave
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