On Wed, 01 Feb 2017 12:47:13 +0100, Mark Brown wrote: > > On Mon, Jan 30, 2017 at 10:58:31AM +0100, Takashi Iwai wrote: > > On Thu, 29 Dec 2016 09:23:47 +0100, > > > > Some project use external circuit to prevent the headset ground noise. > > > It will need to use GPIO to control it. Dell Wyse 3040 is the only project > > > that has the external circuit so far and it uses GPIO2 for that. This patch > > > provide the support fot it. > > > Mark, this seems overlooked? > > No, it's complicated. IIRC it's not *actually* doing GPIO management, > it's adding an option to wiggle a pin on the one board you've so far > that happens to have this issue but if someone finds a GPIO from > somewhere else it'll run into trouble. How that can happen? It applies only via DMI matching. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel