[alsa-devel] [PATCH] ASoC: TWL4030: Modify codec default settings

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Jan 29 11:17:09 CET 2010

On Fri, Jan 29, 2010 at 09:01:30AM +0200, Peter Ujfalusi wrote:

> What I have found out is that after boot these bits were set (obviously), after 
> the audio activity, they were cleared (not all, since if the given DAPM control 
> was not in the path, it was left enabled either way).
> Now these bits are 0 after boot, and only enabled, when a certain path needs it.
> In short: the overall power consumption was higher after boot, than what was 
> after for example the playback was stopped...

Hrm, that shouldn't happen - DAPM should be syncing during startup which
will turn off anything that's left turned on.  I'll have to fake up a
test for this, I'd not notice problems normally since all the devices I
start with power everything off by default.

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