[alsa-devel] [PATCH v2 2/2] ASoC: fsl: imx-wm8962: Grant hw_params/free() permission to control FLL

[Nicolin Chen]

On Tue, Dec 10, 2013 at 11:15:05AM +0000, Mark Brown wrote:
> On Tue, Dec 10, 2013 at 06:51:36PM +0800, Nicolin Chen wrote:
> > On Tue, Dec 10, 2013 at 10:47:45AM +0000, Mark Brown wrote:
> 
> > > For this sort of question you should follow the DAPM graph...  the
> > > headphone and speaker mixers have IN4 and MIXIN as inputs for analogue
> > > bypass and the STL and STR paths provide digital sidetones through the
> > > ADC and DAC.
> 
> > So I could test it merely by using 'amixer cset' to enable those switches
> > without doing anything to power WM8962 up as long as my operation follows
> > the DAPM graph so that the DPAM would automatically turn on the regulator
> > for me?
> 
> Yes, as soon as you have a complete path from an active input to an
> active output the path should get powered up.

I'll try again tomorrow. Thank you sir.