[alsa-devel] [PATCH] ASoC: wm8804: Allow control of master clock divider in PLL generation

Florian Meier florian.meier at koalo.de
Fri Jan 17 19:44:02 CET 2014

On 01/17/2014 07:33 PM, Mark Brown wrote:
> On Fri, Jan 17, 2014 at 07:06:24PM +0100, Florian Meier wrote:
> Intentionally off-list?

Oh no - I am sorry!

>> If I remember correctly the error was
>> "codec can not start from non-off bias with idle_bias_off==true"
>> I think the solution is just to set idle_bias_off = false and everything
>> seems to be working with that. I just don't know if there might be any
>> side effects.
> Setting it to false increases power consumption since the device is
> kept more powered on when idle but reduces startup time from idle.  For
> digital only devices like the wm8804 there shouldn't be any reason to
> keep it powered up when not in use, the startup time is generally
> negligable anyway.

So a better solution would be to set SND_SOC_BIAS_OFF instead of
SND_SOC_BIAS_STANDBY at the end of probe?

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