linux-kernel - Re: [PATCH 3/7] ASoC: sunxi: sun4i-spdif: Add support for Allwinner H616

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Date: Tue, 23 Jan 2024 00:38:53 +0000
From: Andre Przywara <andre.przywara@....com>
To: Chen-Yu Tsai <wens@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland
 <samuel@...lland.org>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown
 <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
 <tiwai@...e.com>, Vinod Koul <vkoul@...nel.org>, Chen-Yu Tsai
 <wens@...e.org>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
 linux-sound@...r.kernel.org, dmaengine@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] ASoC: sunxi: sun4i-spdif: Add support for Allwinner
 H616

On Tue, 23 Jan 2024 01:05:14 +0800
Chen-Yu Tsai <wens@...nel.org> wrote:

Hi Chen-Yu,

thanks for posting this!

> From: Chen-Yu Tsai <wens@...e.org>
> 
> The SPDIF hardware block found in the H616 SoC has the same layout as
> the one found in the H6 SoC, except that it is missing the receiver
> side.
> 
> Since the driver currently only supports the transmit function, support
> for the H616 is identical to what is currently done for the H6.

I compared the OWA manual sections of the H6 and the H616 manuals, and
can confirm that indeed the H616 is the same as the H6, minus the RX
part:

> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Reviewed-by: Andre Przywara <andre.przywara@....com>

Cheers,
Andre

> ---
>  sound/soc/sunxi/sun4i-spdif.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c
> index 702386823d17..f41c30955857 100644
> --- a/sound/soc/sunxi/sun4i-spdif.c
> +++ b/sound/soc/sunxi/sun4i-spdif.c
> @@ -577,6 +577,11 @@ static const struct of_device_id sun4i_spdif_of_match[] = {
>  		.compatible = "allwinner,sun50i-h6-spdif",
>  		.data = &sun50i_h6_spdif_quirks,
>  	},
> +	{
> +		.compatible = "allwinner,sun50i-h616-spdif",
> +		/* Essentially the same as the H6, but without RX */
> +		.data = &sun50i_h6_spdif_quirks,
> +	},
>  	{ /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, sun4i_spdif_of_match);