On Thu, Nov 03, 2016 at 03:55:53PM +0800, Chen-Yu Tsai wrote: > The A31 SoC's codec has various inputs, outputs and microphone bias > supplies. These can be routed on the board in different ways, such as: > > - HPCOM may be connected to have the headphone DC coupled. > > - Microphones all use the MBIAS main microphone supply or one mic may > use the HBIAS supply, which supports headset detection and buttons. > > - Line Out may be routed to an audio jack, or an onboard speaker amp > with power controls. > > Add support for specifying the audio routes in the device tree. > > Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com