[alsa-devel] Jack Detection ??
broonie at opensource.wolfsonmicro.com
Fri Feb 12 11:07:34 CET 2010
On Thu, Feb 11, 2010 at 03:03:17PM -0800, Johnson, Charles F wrote:
> I'm trying to understand the level of jack detection implemented in ALSA.
> I admit some amount of ignorance here - is this documented somewhere that I haven't been able to find yet ??
I'm not sure what exactly you're looking for here but the API used for
jack reporting is documented here:
The jack will appear as an input device. If you're working on an
embedded system then ASoC has a wrapper around this which hooks in to
DAPM and makes it easier to combine multiple jack detection methods into
a single jack (eg, for microphone plus headphone detection on a headset
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