On Sun, Jan 08, 2017 at 03:00:40AM +0800, Chen-Yu Tsai wrote: > Hi Maxime, > > On Fri, Nov 25, 2016 at 8:34 PM, Chen-Yu Tsai <wens@xxxxxxxx> wrote: > > Hi everyone, > > > > This is v2 of my Allwinner A23 and H3 audio codec support series. > > > > Changes since v1: > > > > - Use DEFINE_RES_MEM for the analog path controls block resources. > > - Added Rob's ack. > > > > This series adds support for the audio codec found in Allwinner A23 and > > H3 SoCs. The design and data paths are similar to the audio codec found > > in earlier SoCs such as the A31. The analog audio paths are symmetrical > > with left/right channels and down-mix selectors for mono differential > > output. > > > > What deviates from previous SoCs is that the analog path controls have > > been moved to a separate control bus, accessed through a message box > > like register interface in the PRCM block. This necessitates writing > > a separate component driver for it, which is then tied into the sound > > card as an ASoC auxiliary device. > > > > Patch 1 adds the analog path controls block to the sun6i-prcm driver as > > a sub-device, for the A23. The H3 currently does not use the PRCM driver. > > > > Patch 2 adds PCM and card support for the A23 codec to the sun4i-codec > > driver. > > > > Patch 3 adds a device node for the analog path controls block to the A23 > > dtsi. > > > > Patch 4 adds a device node for the audio codec, and the phandle for the > > analog path controls block to the A23 dtsi. > > > > Patch 5 enables the audio codec for the A23 Q8 tablets. On these tablets > > the headphone output is driven in DC coupled, or "direct drive", mode. > > > > Patch 6 adds PCM and card support for the H3 codec to the sun4i-codec > > driver. > > > > Patch 7 adds device nodes for the audio codec and analog path controls > > block to the H3 dtsi. > > > > Patch 8 enables the audio codec on the Orange Pi PC. The audio output > > jack on the board is tied to the line out pins on the SoC. > > All the driver bits are in. Can you pick up the dts patches? I just did. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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