[alsa-devel] simplest volume control possible

John Kacur jkacur at gmail.com
Fri Nov 28 16:23:23 CET 2008

On Fri, Nov 28, 2008 at 3:50 PM, John Kacur <jkacur at gmail.com> wrote:
> I'm looking at the dapm.txt documentation, and I'm looking at the code
> in codecs like wm8753.c, and I'm thinking that all of this is
> tremendous overkill for the very simple codec I have. Basically I
> don't care about power, the thing can be powered on all the time. I
> put a one pulse on a gpio for volume up and a zero pulse on a gpio for
> volume down, 0 - 63 pulses though.
> Question, then, what would be an appropriate widget to use?

minor correction, a 1 pulse on a gpio for volume up, and a 1 pulse on
a different gpio for volume down.

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