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SubjectRe: [PATCH] platform/x86: dell-laptop: fix phantom kbd backlight on Inspiron 10xx
On Thursday 12 September 2019 01:14:48 Pacien TRAN-GIRARD wrote:
> This patch registers a quirk disabling keyboard backlight support
> for the Dell Inspiron 1012 and 1018.
> Those models wrongly report supporting the KBD_LED_OFF_TOKEN and
> KBD_LED_ON_TOKEN SMBIOS tokens, exposing keyboard brightness controls
> through sysfs which freeze the system when used.
> The associated SMBIOS calls never return and cause the system to
> hang, notably at boot when systemd-backlight tries to restore
> previous brightness settings.

Hi! This sounds like a firmware bug. Have you already reported it to Dell?

> Bugzilla:
> Signed-off-by: Pacien TRAN-GIRARD <>

Pali Rohár

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