Re: [PATCH v3 3/5] ASoC: dt-bindings: audio-graph-card2: add widgets and hp-det-gpios support

[Krzysztof Kozlowski <krzk@kernel.org>]

On 08/01/2025 13:19, Laurentiu Mihalcea wrote:
> 
> 
> 
> On 12/17/2024 9:07 AM, Krzysztof Kozlowski wrote:
>> On Mon, Dec 16, 2024 at 09:50:37AM -0500, Laurentiu Mihalcea wrote:
>>> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
>>>
>>> Introduce the 'widgets' property, allowing the creation of widgets from
>>> 4 template widgets: Microphone, Line, Headphone, and Speaker. Also
>>> introduce the 'hp-det-gpios' property, which allows using headphone
>>> detection using the specified GPIO.
>>>
>>> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
>>> ---
>>>  .../devicetree/bindings/sound/audio-graph-card2.yaml          | 4 ++++
>> I have impression you are duplicating audio graph properties instead of
>> referencing proper schema, but considering that the bindings
>> audio-graph-card and audio-graph-card2 differ only by number "2" without
>> any description, not sure what is correct here.
> 
> Please correct me if I'm wrong here.
> 
> As things stand now and based on Kuninori Morimoto's comment on this
> (https://lore.kernel.org/lkml/87cyhw8lg5.wl-kuninori.morimoto.gx@renesas.com/) I'd say we can't
> (or, rather, shouldn't) directly reference audio-graph.yaml here.

Thanks

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

> 
> Now, I wonder if the "proper" solution here would be to take the common properties
> of audio-graph.yaml and audio-graph-card2.yaml and create a new binding that can be
> referenced by both aforementioned bindings? Would that make things even more confusing
> (we'd probably end up with audio-graph.yaml, audio-graph-card.yaml, audio-graph-card2.yaml,
> and audio-graph-common.yaml)? Should this be addressed as part of this series?


Really not sure. Common bindings are often good choice but I already
struggle with grasping the differences between both audio-graph-cards,
so more of it might not help.

Best regards,
Krzysztof