From: Tzung-Bi Shih <tzungbi@kernel.org>
To: Matt DeVillier <matt.devillier@gmail.com>
Cc: Benson Leung <bleung@chromium.org>,
chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] platform/chrome: cros_kbd_led_backlight: use matched ACPI device handle
Date: Fri, 13 Nov 2026 05:33:15 +0000 [thread overview]
Message-ID: <avahGxr_1LELxwBJ@google.com> (raw)
In-Reply-To: <20261111172517.1407888-1-matt.devillier@gmail.com>
On Wed, Nov 11, 2026 at 11:25:17AM -0600, Matt DeVillier wrote:
> The ACPI backend hardcodes \_SB.KBLT for brightness get/set. Older
> coreboot ASL places GOOG0002 there, but newer builds can nest it under
> \_SB.CREC, so the absolute path lookup fails even though the driver
> already bound to the correct HID.
>
> Evaluate KBQC/KBCM on the ACPI companion of the matched platform
> device instead of a fixed path, as done with the Chrome TBMC driver.
>
> [...]
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git for-next
[1/1] platform/chrome: cros_kbd_led_backlight: use matched ACPI device handle
commit: 71c3b4fe739123f9caca98cfbe274a85efa601a9
Thanks!
prev parent reply other threads:[~2026-11-13 5:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 17:25 [PATCH] platform/chrome: cros_kbd_led_backlight: use matched ACPI device handle Matt DeVillier
2026-11-13 5:33 ` Tzung-Bi Shih [this message]
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