ACK: [PATCH 0/1][SRU][Unstable/Plucky/Oracular] Defer enumeration of LNL/ARL MIPI IPU6/IPU7 usbio devices

[John Cabaj]

On 12/18/24 1:38 PM, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2090932
> 
> [Impact]
> 
> I2C camera sensor fails to probe with -ENXIO:
> ```
> $ sudo dmesg|grep ov0
> [ 4.484426] ov02c10 i2c-OVTI02C1:00: chip id mismatch: 560243!=0
> [ 4.484432] ov02c10 i2c-OVTI02C1:00: failed to find sensor: -6
> ```
> 
> [Fix]
> 
> * https://github.com/intel/vision-drivers/pull/18
> 
> There is no final solution yet due to the internal process of solution vendors.
> To meet project schedule, we adopt this widely tested pull request.
> 
> [Test Case]
> 
> 1. Install kernel from -proposed pocket,
> 2. Reboot with the newly installed kernel,
> 3. Check dmesg output and the probe error should go away.
> 4. Check camera working with https://webcamtests.com/
> 
> [Where problems could occur]
> 
> Basically there is no actual function change but to ensure device driver may
> reprobe when the depending component is not yet available. While this issue
> happens only on selected usbio equipped platforms, and we tests integrated PPAs
> on nearly all OEM MIPI platforms, so far there is no known regression/problem
> found.
> 
> [Other Info]
> 
> This affects vision-drivers version 0~git202408091833.02081ea4-0ubuntu2, which
> is used by linux-oem-6.11/noble, linux/oracular, and newer. Nominate for Plucky,
> Oracular and OEM-6.11.
> 
> Jason Chen (1):
>    UBUNTU: SAUCE: ACPI: scan: Update HID for new platform
> 
>   drivers/acpi/scan.c | 2 ++
>   1 file changed, 2 insertions(+)
> 

Acked-by: John Cabaj <john.cabaj at canonical.com>