Re: [PATCH 0/2] ASoC: rsnd: Fixes for multichannel HDMI audio output

From: Kuninori Morimoto
Date: Wed Apr 15 2020 - 21:35:34 EST



Hi

> This fixes two issues in the snd-soc-rcar driver blocking multichannel
> HDMI audio out: The parent SSI in a multi-SSI configuration is not
> correctly set up and started, and the SSI->HDMI channel mapping is
> wrong.
>
> With these patches, the following device tree snippet can be used on an
> r8a7795-based platform (Salvator-X) to enable multichannel HDMI audio on
> HDMI0:
>
> rsnd_port1: port@1 {
> rsnd_endpoint1: endpoint {
> remote-endpoint = <&dw_hdmi0_snd_in>;
>
> dai-format = "i2s";
> bitclock-master = <&rsnd_endpoint1>;
> frame-master = <&rsnd_endpoint1>;
>
> playback = <&ssi0 &ssi1 &ssi2 &ssi9>;
> };
> };
>
> With a capable receiver attached, all of 2ch (stereo), 6ch (e.g. 5.1)
> and 8ch audio output should work.
>
>
> Matthias Blankertz (2):
> ASoC: rsnd: Fix parent SSI start/stop in multi-SSI mode
> ASoC: rsnd: Fix HDMI channel mapping for multi-SSI mode
>
> sound/soc/sh/rcar/ssi.c | 8 ++++----
> sound/soc/sh/rcar/ssiu.c | 2 +-
> 2 files changed, 5 insertions(+), 5 deletions(-)

For all patches

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

Thank you for your help !!

Best regards
---
Kuninori Morimoto