APPLIED Re: [PATCH v2 0/1][SRU][OEM-5.10] Fix Intel IPU6 camera noises

[Timo Aaltonen]

On 29.4.2021 11.48, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1926275
> 
> [Impact]
> 
> Unexpected noises caused by incorrect analog gain and digital gain
> setting are found on Intel IPU6 camera platforms.
> 
> [Fix]
> 
> Fixes were released to both kernel and libcamhal library in following
> GitHub repositories:
> 
>    * https://github.com/intel/ipu6-drivers/commit/f06a7aba2573b9ff53e7b186325c4e890066ee5d
>    * https://github.com/intel/ipu6-camera-hal/commit/768f8138a93e3e677c0e167e97205aac628c7580
>    * https://github.com/intel/ipu6-camera-hal/commit/42727783f4a2a808d5d43484a5a7795d6c6d899f
> 
> [Test Case]
> 
> One may use some ordinary camera clients, e.g. cheeze, to examine the
> output via V4L2 loopback relay, or use following command to access
> hardware camera directly:
> 
>    $ sudo gst-launch-1.0 icamerasrc ! videoconvert ! xvimagesink
> 
> `sudo` is required due to a WIP bug.
> 
> [Where problems could occur]
> 
> This kernel driver change updates only register settings on the camera
> sensor currently only used on IPU6 platforms, so the effect to other
> components/platforms should be limited. However, while the
> kernel/libcamhal fixes must cooperate with each other, we do meet one
> regression introduced by this change, and soon got fixed as the third
> commit in aforementioned list.
> 
> [Other Info]
> 
> So far Intel has no plan to commit this driver to upstream yet, so it's
> only nominated for oem-5.10. It will only be nominated to generic
> kernels when the plan/requirements have changed.
> 
> V2: missing bug link in cover letter.
> 
> Wang Yating (1):
>    UBUNTU: SAUCE: Fix ov01a1s IQ issues
> 
>   drivers/media/i2c/ov01a1s.c | 91 ++++++++++++++++++-------------------
>   1 file changed, 43 insertions(+), 48 deletions(-)
> 


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