linux-kernel - Re: [PATCH v2 2/6] dt-bindings: display: sitronix,st7571: add optional inverted property

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Message-ID: <175312897159.1251067.10084528761404344067.robh@kernel.org>
Date: Mon, 21 Jul 2025 15:16:12 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Marcus Folkesson <marcus.folkesson@...il.com>
Cc: Maxime Ripard <mripard@...nel.org>, linux-kernel@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>, dri-devel@...ts.freedesktop.org,
	Simona Vetter <simona@...ll.ch>, devicetree@...r.kernel.org,
	David Airlie <airlied@...il.com>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Javier Martinez Canillas <javierm@...hat.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v2 2/6] dt-bindings: display: sitronix,st7571: add
 optional inverted property


On Mon, 21 Jul 2025 12:43:32 +0200, Marcus Folkesson wrote:
> Depending on which display that is connected to the controller, an "1"
> means either a black or a white pixel.
> 
> The supported formats (R1/R2/XRGB8888) expects the pixels
> to map against (4bit):
> 00 => Black
> 01 => Dark Gray
> 10 => Light Gray
> 11 => White
> 
> If this is not what the display map against, the controller has support
> to invert these values.
> 
> Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
> Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
> ---
>  Documentation/devicetree/bindings/display/sitronix,st7571.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>