https://bugzilla.kernel.org/show_bug.cgi?id=204603
Bug ID: 204603
Summary: keyboard backlight automatic behaviour
Product: ACPI
Version: 2.5
Kernel Version: every version in the last years
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: enhancement
Priority: P1
Component: Power-Video
Assignee: acpi_power-vi...@kernel-bugs.osdl.org
Reporter: mattia....@gmail.com
Regression: No
I have a laptop (Dell XPS 9343) which has back-lighted keyboard.
I can control backlight normally, that is via Fn keys or software via 'sysfs'.
I leave the duty to kernel: by default, the keyboard backlight automatically
turns off after 60 seconds of inactivity; and it turns on automatically if I
use the touchpad.
Configurable via 'sysfs'
(/sys/devices/platform/dell-laptop/leds/dell\:\:kbd_backlight/).
The issue: when I use an external mouse (e.g. connected via USB) the 'magic'
does not work...
What I think is an issue or better a good [enhancement] is the extend the
behaviour not only to internal touch-pad but also to external mice (or other
input devices)
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