[alsa-devel] Audio codec volume control

[Peter Ujfalusi]

On 09/20/2012 10:56 AM, Rajeev kumar wrote:
> Hello Mark,
> 
> We have three volume control in audio codec.
> 1. Master volume: control both left and right channel volume
> 2. left volume: control left channel vol
> 3. right volume: control right channel vol.
> 
> So we can provide interfaces for all volume control to the user. Please
> find below the control I can provide to the user space
> 
> case 1:
> 1. Provide master volume control
> 2. Provide Left channel volume control.
> 3. Provide Right channel volume control.
> 
> case 2:
> 
> 1. Provide master volume control
> 2. Instead of providing separate control for left and right channel,
> combined it and provide a single control to user space. so that left and right
> volume is always in sync.

case 3:
1. Provide master volume control
2. stereo volume control for the left/right channel

-- 
Péter