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From: Fabian Pfitzner <f.pfitzner@pengutronix.de>
To: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Jacopo Mondi <jacopo@jmondi.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, entwicklung@pengutronix.de
Subject: Re: [PATCH 0/2] parse horizontal/vertical flip properties
Date: Wed, 23 Jul 2025 11:29:27 +0200	[thread overview]
Message-ID: <35debf21-bca7-480f-a61e-7b0494f10ca5@pengutronix.de> (raw)
In-Reply-To: <ryuew3kxnocj6uqq4nadp3kyaxg27rxlrgnaieyy2hlpz5jkd3@iyetnsbfanee>

On 7/23/25 11:17, Jacopo Mondi wrote:
> 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' ?
If you simply want to flip the output (e. g. horizontally), you cannot 
do this with a rotation.
The camera I'm referring to is not only upside down, but also flipped 
horizontally.
>
>> 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@pengutronix.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@pengutronix.de>
>>
-- 
Pengutronix e.K.                           | Fabian Pfitzner             |
Steuerwalder Str. 21                       | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-9    |


  reply	other threads:[~2025-07-23  9:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-23  8:58 [PATCH 0/2] parse horizontal/vertical flip properties Fabian Pfitzner
2025-07-23  8:58 ` [PATCH 1/2] media: dt-bindings: add " Fabian Pfitzner
2025-07-23  8:58 ` [PATCH 2/2] media: v4l: fwnode: parse horizontal/vertical " Fabian Pfitzner
2025-07-23  9:17 ` [PATCH 0/2] " Jacopo Mondi
2025-07-23  9:29   ` Fabian Pfitzner [this message]
2025-07-23  9:44     ` Jacopo Mondi
2025-07-23 10:09       ` Fabian Pfitzner
2025-07-23 12:21         ` Jacopo Mondi
2025-07-23 12:50           ` Fabian Pfitzner
2025-07-23 13:00           ` Dave Stevenson
2025-07-23 13:48             ` Fabian Pfitzner
2025-07-23 14:33               ` Dave Stevenson
2025-07-24  9:56                 ` Laurent Pinchart
2025-07-23 13:02         ` Hans de Goede
2025-07-23 13:02         ` Hans de Goede

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