linux-kernel - Re: [PATCH 0/3] media: i2c: Add imx283 camera sensor driver

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Date: Tue, 2 Apr 2024 14:01:19 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: Kieran Bingham <kieran.bingham@...asonboard.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring
 <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Rob Herring <robh@...nel.org>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH 0/3] media: i2c: Add imx283 camera sensor driver

Hi all,

PLease ignore the series, I was testing/learning the b4 tool.

I did pass --offline-mode but it has sent the patches anyway :-//

On 02/04/24 1:59 pm, Umang Jain wrote:
> Add a v4l2 subdevice driver for the Sony IMX283 image sensor.
>    
> The IMX283 is a 20MP Diagonal 15.86 mm (Type 1) CMOS Image Sensor with
> Square Pixel for Color Cameras.
>      
> The following features are supported:
> - Manual exposure an gain control support
> - vblank/hblank/link freq control support
> - Test pattern support control
> - Arbitrary horizontal and vertical cropping
> - Supported resolution:
>     - 5472x3648 @ 20fps (SRGGB12)
>     - 5472x3648 @ 25fps (SRGGB10)
>     - 2736x1824 @ 50fps (SRGGB12)
>
> The driver is tested on mainline branch v6.8-rc2 on IMX8MP Debix-SOM-A.
> Additional testing has been done on RPi5 with the downstream BSP.
>
> Changes in v4:
> - fix 32-bit build error around u64 divisions (use do_div)
> - Fix hmax default and minimum values
>
> Changes in v3:
> - fix headers includes
> - Improve #define(s) readability
> - Drop __func__ from error logs
> - Use HZ_PER_MHZ instead of MEGA
> - mdsel* variables should be u8
> - Use container_of_const() instead of container_of()
> - Use clamp() used of clamp_t variant
> - Use streams API imx283_{enable|disable}_streams (**NOTE**)
> - Properly fix PM runtime handling
>    (pm_ptr(), DEFINE_RUNTIME_DEV_PM_OPS,
>     imx283_runtime_suspend, imx283_runtime_resume)
> - Fix format modifiers, signed-ness at various places
>
> changes in v2 (summary):
> - Use u32 wherever possible
> - Use MEGA macro instead of self defined MHZ() macro
> - Properly refine regs using CCI
> - Drop tracking of current mode. Shifted to infer from active state directly.
>    (Laurent's review)
> - Cont. from above: Pass the struct imx283_mode to functions whereever required.
> - Remove unused comments
> - Remove custom mutex. Use control handler one instead.
> - Drop imx283_reset_colorspace() and inline
> - Set colorspace field properly (drop _DEFAULTS)
> - Use __maybe_unused for imx283_power_on() and imx283_power_off()
> - Store controls  v4l2_ctrl handles for those required, not all.
> - Drop imx283_free_controls(). Use v4l2_ctrl_handler_free
> - fix reset-gpios handling and add it to DT schema
> - fix data-lanes property in DT schema
> - fix IMX283 Kconfig
> - Remove unused macros
> - Alphabetical case consistency
>
> Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
> ---
> Kieran Bingham (1):
>        media: i2c: Add imx283 camera sensor driver
>
> Umang Jain (2):
>        media: dt-bindings: media: Add bindings for IMX283
>        fixups
>
>   .../devicetree/bindings/media/i2c/sony,imx283.yaml |  107 ++
>   MAINTAINERS                                        |    9 +
>   drivers/media/i2c/Kconfig                          |   10 +
>   drivers/media/i2c/Makefile                         |    1 +
>   drivers/media/i2c/imx283.c                         | 1605 ++++++++++++++++++++
>   5 files changed, 1732 insertions(+)
> ---
> base-commit: 54ee11761885407056f4ca60309739e2db6b02dc
> change-id: 20240402-kernel-name-extraversion-2b08d441e08c
>
> Best regards,