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

Vinod Koul vinod.koul at linux.intel.com
Wed Feb 8 11:36:55 CET 2012

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


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