[alsa-devel] FW: [PATCH v3] ASoC: Add support for TI LM49453 Audio codec

[Vinod Koul]

On Wed, 2012-02-08 at 09:54 +0000, Liam Girdwood wrote:
> Atm, the machine driver would have to enable any system clocks before
> the codec driver could use them. 
But how would machine driver know _when_?

We want to dynamical turn off this clock when not is use and turn on
only when codec is using. So I was thinking of turning this ON in
codecs .set_bias_level callback, but how to propagate this into machine
driver?

-- 
~Vinod