Re: [PATCH 1/2] pinctrl: intel: platform: Add INTC10B5 ACPI ID for Lunar Lake

Andy Shevchenko
2026-04-04T19:53:03Z

On Sun, Apr 05, 2026 at 12:32:35AM +0530, Vasu wrote:

> Intel Lunar Lake platforms (Core Ultra 200V series) use INTC10B5 as
> the ACPI hardware ID for the GPIO controller that manages power to
> the integrated MIPI camera sensor.
>
> Without this entry, the pinctrl-intel-platform driver does not bind
> to the GPIO controller, causing int3472-discrete to report:
>
> int3472-discrete INT3472:00: cannot find GPIO chip INTC10B5:00, deferring
>
> This prevents the camera sensor from being powered on entirely.
>
> Tested on: Dell Pro 14 Premium PA14250, Intel Core Ultra 7 266V
> (Lunar Lake), Ubuntu 24.04, kernel 6.11.0-1016-oem

Huh?!

The currently mentioned ID is CID in the driver, the BIOS has to set _CID
properly. Can you file the bug against BIOS and make OEM aware of this?

--
With Best Regards,
Andy Shevchenko