[alsa-devel] [PATCH v2 11/14] ASoC: sun4i-codec: Add support for A31 board level audio routing

Maxime Ripard maxime.ripard at free-electrons.com
Thu Nov 3 09:31:16 CET 2016


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 <wens at csie.org>

Acked-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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