linux-kernel - Re: [PATCH 0/2] parse horizontal/vertical flip properties

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Message-ID: <ryuew3kxnocj6uqq4nadp3kyaxg27rxlrgnaieyy2hlpz5jkd3@iyetnsbfanee>
Date: Wed, 23 Jul 2025 11:17:42 +0200
From: Jacopo Mondi <jacopo.mondi@...asonboard.com>
To: Fabian Pfitzner <f.pfitzner@...gutronix.de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Jacopo Mondi <jacopo@...ndi.org>, 
	Sakari Ailus <sakari.ailus@...ux.intel.com>, linux-media@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, entwicklung@...gutronix.de
Subject: Re: [PATCH 0/2] parse horizontal/vertical flip properties

Hi Fabian

On Wed, Jul 23, 2025 at 10:58:28AM +0200, Fabian Pfitzner wrote:
> There are cameras containing a mirror on their optical path e. g. when
> mounted upside down.

How is this different from 'rotation = 180' ?

>
> Introduce two options to change the device's flip property via device tree.
>
> As there is already support for the panel-common driver [1], add it for cameras in the same way.
>
> [1] commit 3c0ecd83eee9 ("dt-bindings: display: panel: Move flip properties to panel-common")
>
> Signed-off-by: Fabian Pfitzner <f.pfitzner@...gutronix.de>
> ---
> Fabian Pfitzner (2):
>       media: dt-bindings: add flip properties
>       media: v4l: fwnode: parse horizontal/vertical flip properties
>
>  .../devicetree/bindings/media/video-interface-devices.yaml        | 8 ++++++++
>  drivers/media/v4l2-core/v4l2-fwnode.c                             | 3 +++
>  include/media/v4l2-fwnode.h                                       | 4 ++++
>  3 files changed, 15 insertions(+)
> ---
> base-commit: 6832a9317eee280117cd695fa885b2b7a7a38daf
> change-id: 20250718-fpf-media-dt-flip-7fcad30bcfb7
>
> Best regards,
> --
> Fabian Pfitzner <f.pfitzner@...gutronix.de>
>