[alsa-devel] [RFC] ASoC: wm892: Set an initial non-mute volume for the headphones

Mark Brown broonie at kernel.org
Fri Jul 19 11:41:20 CEST 2013


On Thu, Jul 18, 2013 at 09:47:18PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at freescale.com>
> 
> By default the headphone left/right registers have a volume of zero.
> 
> Instead of having to change the volume via alsamixer in order to be able to hear
> something, let's set an initial value of -20dB, so that audio playback can be 
> heard by default.

As a matter of policy we go with the chip defaults on things like this.
It doesn't make everyone happy since it's typically not actually a
useful configuration for any use case but it provides a standard.
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