public inbox for linux-gpio@vger.kernel.org
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Vasu <vasuhansalia05@gmail.com>
Cc: platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	djrscally@gmail.com, mika.westerberg@linux.intel.com
Subject: Re: [PATCH 1/2] pinctrl: intel: platform: Add INTC10B5 ACPI ID for Lunar Lake
Date: Sat, 4 Apr 2026 22:52:59 +0300	[thread overview]
Message-ID: <adFsG9mTkoE3kIF4@ashevche-desk.local> (raw)
In-Reply-To: <20260404190236.5218-1-vasuhansalia05@gmail.com>

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



  parent reply	other threads:[~2026-04-04 19:53 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-04 19:02 [PATCH 1/2] pinctrl: intel: platform: Add INTC10B5 ACPI ID for Lunar Lake Vasu
2026-04-04 19:02 ` [PATCH 2/2] platform/x86: int3472: Handle GPIO types 0x02 and 0x12 " Vasu
2026-04-04 19:55   ` Andy Shevchenko
2026-04-05  1:34     ` Vasu
2026-04-05  9:01       ` Andy Shevchenko
2026-04-05  9:15         ` Vasu
2026-04-05  9:27         ` Vasu
2026-04-05 16:10           ` Andy Shevchenko
2026-04-04 19:52 ` Andy Shevchenko [this message]
2026-04-05  1:34   ` [PATCH 1/2] pinctrl: intel: platform: Add INTC10B5 ACPI ID " Vasu
2026-04-05  8:59     ` Andy Shevchenko
2026-04-05  9:15       ` Vasu
2026-04-05 16:17         ` Andy Shevchenko
2026-04-05 16:33           ` Vasu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=adFsG9mTkoE3kIF4@ashevche-desk.local \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=djrscally@gmail.com \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mika.westerberg@linux.intel.com \
    --cc=platform-driver-x86@vger.kernel.org \
    --cc=vasuhansalia05@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox