Re: [PATCH] OMAP general SOC driver.

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On Wednesday 26 November 2008, Mark Brown wrote:
> Can someone post an overview of what the hardware configurations of
> these boards are, please?  It's starting to sound like they're not very
> similar at all.

I only have schematics for Beagle ... which makes VERY minimal
use of the twl4030 audio capabilities:

 - stereo "headset" output, without its mic
 - stereo aux-in

Other twl4030 family boards *could* have:

 - microphone input for that headset
 - stereo "hands-off" speakers
 - mono earpiece output
 - two other microphone input channels

And maybe more; that's just me summarizing unconnected pins,
not the datasheet.  There are also cost-reduced parts with
less audio capability.

I make no claim about audio expertise -- the nearest I come
to it is observing a few years back that there was a huge
framework hole, which ASoC seems to fill -- but I wonder if
it shouldn't suffice just to provide a mask of capabilities
that are wired up on a given board.

- Dave

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