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SubjectRe: [PATCH 0/8] media: i2c: adv748x: add support for HDMI audio
Hi Alex,

Again, sorry for the late reply.

Patch 2/8 has its own comment since that approach won't work.

As a general note for this series: it might be better to have two
patch series: one for patches 1 and 3-6 (not sure whether 5 can be included
or not), and one where the public API changes (i.e. new V4L2 audio controls)
are added. The first can probably be merged fairly quickly, the second will
likely require more iterations since public API patches always take much longer
before they are mature.



On 1/13/20 3:14 PM, Alex Riesen wrote:
> This adds minimal support for controlling the audio output I2S port available
> on ADV7481 and ADV7482 HDMI decoder devices by ADI. The port carries audio
> signal from the decoded HDMI stream.
> An ADV7482 on the Renesas Salvator-X ES1.1 was used during development of this
> code.
> Alex Riesen (8):
> media: adv748x: add a device-specific wrapper for register block read
> media: adv748x: add audio mute control and output selection ioctls
> media: adv748x: add log_status ioctl
> media: adv748x: reserve space for the audio (I2S) port in the driver
> structures
> media: adv748x: add an ASoC DAI definition to the driver
> media: adv748x: reduce amount of code for bitwise modification of
> device registers
> dt-bindings: adv748x: add information about serial audio interface
> (I2S/TDM)
> arm64: dts: renesas: salvator: add a connection from adv748x codec
> (HDMI input) to the R-Car SoC
> .../devicetree/bindings/media/i2c/adv748x.txt | 13 +-
> .../dts/renesas/r8a7795-es1-salvator-x.dts | 24 +-
> .../boot/dts/renesas/salvator-common.dtsi | 35 +-
> drivers/media/i2c/adv748x/adv748x-core.c | 54 +++
> drivers/media/i2c/adv748x/adv748x-hdmi.c | 355 ++++++++++++++++++
> drivers/media/i2c/adv748x/adv748x.h | 53 ++-
> 6 files changed, 523 insertions(+), 11 deletions(-)

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