linux-kernel - Re: [PATCH v3 2/3] dt-bindings: rockchip: rk809: Document audio codec properties

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Date: Mon, 22 Jan 2024 09:14:17 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Tim Lunn <tim@...thertop.org>, linux-rockchip@...ts.infradead.org,
 conor.dooley@...rochip.com, robh+dt@...nel.org, devicetree@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, Chris Zhong <zyw@...k-chips.com>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Lee Jones <lee@...nel.org>, Zhang Qing <zhangqing@...k-chips.com>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] dt-bindings: rockchip: rk809: Document audio codec
 properties

On 20/01/2024 14:55, Tim Lunn wrote:
> Rockchip RK809 shares the same audio codec block as the rk817 mfd, and
> is compatible with the existing rk817_codec driver.

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching.

> 
> This patch introduces to the binding the standard property #sound-dai-cells
> and also an optional codec child node to hold codec specific properties.
> Currently there is only one property in this node however the downstream
> driver shows a number of other properties that are supported by the codec
> hardware, that could be implemented in the future. This maintains the
> existing driver ABI and keeps consistency with the rk817 bindings.

So you are adding a new node? Just for one property? No, just put it
into parent node.

Downstream driver does not matter at all in that aspect.

Best regards,
Krzysztof