From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Sat, 8 Oct 2016 20:29:03 -0500 Subject: [PATCH 05/12] ASoC: sun4i-codec: Add support for A31 playback through headphone output In-Reply-To: <20161003110804.28235-6-wens@csie.org> References: <20161003110804.28235-1-wens@csie.org> <20161003110804.28235-6-wens@csie.org> Message-ID: <20161009012903.GN18158@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Oct 03, 2016 at 07:07:57PM +0800, Chen-Yu Tsai wrote: > The A31 has a similar codec to the A10/A20. The PCM parts are very > similar, with just different register offsets. The analog paths are > very different. There are more inputs and outputs. > > The quirks structure is expanded to include different register offsets > and separate callbacks for creating the ASoC card. Also the DMA burst > length is increased to 8. While the A10 DMA engine supports bursts of > 1, 4 and 8, the A31 engine only supports 1 and 8. > > This patch adds support for the basic playback path of the A31 codec, > from the DAC to the headphones. Headphone detection, microphone, > signaling, other inputs/outputs and capture will be added later. > > Signed-off-by: Chen-Yu Tsai > --- > .../devicetree/bindings/sound/sun4i-codec.txt | 6 +- Acked-by: Rob Herring > sound/soc/sunxi/sun4i-codec.c | 396 +++++++++++++++++---- > 2 files changed, 334 insertions(+), 68 deletions(-)