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

Mark Brown broonie at kernel.org
Tue Dec 10 11:47:45 CET 2013

On Tue, Dec 10, 2013 at 06:25:24PM +0800, Nicolin Chen wrote:

> Hmm...Sorry for asking a stupid question that how to test bypass path with
> WM8962? I've tried some amixer commands to enable the bypass-path switches.
> But we still need to power the Codec up like using arecord or aplay to call
> wm8962_resume() and DAPM-related, right?

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.
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