On Fri, Sep 17, 2010 at 02:39:01PM +0300, Jarkko Nikula wrote: > Purpose of this virtual Detection pin is to keep codec bias on whenever the > GPIO or jack detection features are needed. > > Jack detection needs a mic bias so machine drivers can construct a following > route for instance for keeping the path and codec bias on: > "Input Jack" -> "Mic Bias xV" -> "Detection" -> detection block inside codec. > For the GPIO the machine driver can force the pin on with > snd_soc_dapm_force_enable_pin. > Signed-off-by: Jarkko Nikula <jhnikula@xxxxxxxxx> Acked-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
