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SubjectRe: [PATCH v2 00/10] arm64: dts: meson: add more GX soundcards
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On Fri 02 Oct 2020 at 16:31, Christian Hewitt <christianshewitt@gmail.com> wrote:

> This series adds basic support for LPCM audio over HDMI and S/PDIF
> interfaces to GXBB/GXL/GXM devices without support. I'm sure audio
> support can be extended in places (some devices have internal DACs
> and headphone hardware) but this gets the basics working.
>
> I have personally tested with the khadas-vim2, odroid-c2, and both
> wetek devices as I have them, and there are positive forum reports
> from users with vega-s95 and some no-name P20X box devices.

It is fine to add what you have tested but I'm not confortable adding
untested stuff which will later give the false idea that they are
supposed to work.

Amplifiers and codec may require different settings and ressources
(such as GPIO and regulators) to actually operate properly.

As far the p200 and p201, like the g12 u200, those are reference design
with various sound card possibilities which usually don't apply to end
products.

For example the p200 is missing both input and output codecs, the sound
amplifier and, as it stands, is likely to be muted.

>
> Changes from v1
> - Drop nexbox-a1 and rbox-pro changes - the regulator changes are
> needed to get the dts to compile, but I do not have schematics to
> validate the changes or the hardware to test with.
>
> Christian Hewitt (10):
> arm64: dts: meson: add audio playback to a95x
> arm64: dts: meson: add audio playback to khadas-vim2
> arm64: dts: meson: add audio playback to nanopi-k2
> arm64: dts: meson: add audio playback to odroid-c2
> arm64: dts: meson: add audio playback to p201
> arm64: dts: meson: add audio playback to p200
> arm64: dts: meson: add audio playback to p212-s905x dtsi
> arm64: dts: meson: add audio playback to vega-s95 dtsi
> arm64: dts: meson: add audio playback to wetek-hub
> arm64: dts: meson: add audio playback to wetek-play2
>
> .../boot/dts/amlogic/meson-gxbb-nanopi-k2.dts | 40 ++++++++++++
> .../dts/amlogic/meson-gxbb-nexbox-a95x.dts | 40 ++++++++++++
> .../boot/dts/amlogic/meson-gxbb-odroidc2.dts | 40 ++++++++++++
> .../boot/dts/amlogic/meson-gxbb-p200.dts | 61 +++++++++++++++++++
> .../boot/dts/amlogic/meson-gxbb-p201.dts | 40 ++++++++++++
> .../boot/dts/amlogic/meson-gxbb-vega-s95.dtsi | 61 +++++++++++++++++++
> .../boot/dts/amlogic/meson-gxbb-wetek-hub.dts | 40 ++++++++++++
> .../dts/amlogic/meson-gxbb-wetek-play2.dts | 61 +++++++++++++++++++
> .../dts/amlogic/meson-gxl-s905x-p212.dtsi | 40 ++++++++++++
> .../dts/amlogic/meson-gxm-khadas-vim2.dts | 44 ++++++++++++-
> 10 files changed, 464 insertions(+), 3 deletions(-)

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