[PATCH 1/1] ASoC: McASP: Add device tree binding for defining separate clock and sync used by tx and rx.

[Mark Brown]

On Tue, Apr 30, 2013 at 12:07:18PM +0200, Marek Belisko wrote:
> Add new property tx-rx-clk-separate which we can distinquish between common
> and separate clock for tx and rx blocks.

So, this is a sensible thing to have and in fact the core already has
the symmetric_rates flag for this.  This says two things to me.  One is
that this patch ought to at least set the symmetric_rates flag so that
the core can tell applications that we can't set different rates in each
direction.  The other is that this probably ought to be a generic
property for dai_links so that we can just set this for any driver -
even if the driver doesn't need to do anything it still matters to the
application layer.

What I'd suggest is adding code to check if symmetric_rates is set for
the DAI link and then key off that and then a generic DT thing (or just
set it in the machine driver for now if that makes sense) to enable that
for your board or boards.
machine driver).
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