From: bugzilla-daemon@kernel.org
To: platform-driver-x86@vger.kernel.org
Subject: [Bug 221583] Lenovo 82KU: keyboard backlight works via Fn+Space but no kbd_backlight LED device exposed
Date: Sat, 06 Jun 2026 18:31:25 +0000 [thread overview]
Message-ID: <bug-221583-215701-EO77sJ2pN7@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-221583-215701@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=221583
--- Comment #33 from George (george.stafilidis@proton.me) ---
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
[sudo] password for ultima:
ultima@fedora:~$ sudo busybox devmem 0xFE00D48A 8 0x54
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8
0x05
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
ultima@fedora:~$ sudo busybox devmem 0xFE00D48A 8 0x55
ultima@fedora:~$
last command did set it to low
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8
0x05
ultima@fedora:~$
these did nothing
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x00
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x04
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
ultima@fedora:~$
these also did nothing
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x00
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0xFF
ultima@fedora:~$ sudo busybox devmem 0xFE00D42A 8 0x05
ultima@fedora:~$
also nothing here
--
You may reply to this email to add a comment.
You are receiving this mail because:
You are watching the assignee of the bug.
next prev parent reply other threads:[~2026-06-06 18:31 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 19:47 [Bug 221583] New: Lenovo 82KU: keyboard backlight works via Fn+Space but no kbd_backlight LED device exposed bugzilla-daemon
2026-06-01 17:30 ` [Bug 221583] " bugzilla-daemon
2026-06-01 18:06 ` bugzilla-daemon
2026-06-02 13:44 ` bugzilla-daemon
2026-06-02 20:39 ` bugzilla-daemon
2026-06-03 20:13 ` bugzilla-daemon
2026-06-03 21:19 ` bugzilla-daemon
2026-06-04 19:19 ` bugzilla-daemon
2026-06-05 0:11 ` bugzilla-daemon
2026-06-05 1:36 ` bugzilla-daemon
2026-06-05 1:40 ` bugzilla-daemon
2026-06-05 1:48 ` bugzilla-daemon
2026-06-05 5:55 ` bugzilla-daemon
2026-06-05 17:10 ` bugzilla-daemon
2026-06-05 17:14 ` bugzilla-daemon
2026-06-05 17:18 ` bugzilla-daemon
2026-06-05 17:33 ` bugzilla-daemon
2026-06-05 17:44 ` bugzilla-daemon
2026-06-05 18:17 ` bugzilla-daemon
2026-06-05 18:17 ` bugzilla-daemon
2026-06-05 18:17 ` bugzilla-daemon
2026-06-05 18:18 ` bugzilla-daemon
2026-06-05 18:23 ` bugzilla-daemon
2026-06-05 18:47 ` bugzilla-daemon
2026-06-05 18:58 ` bugzilla-daemon
2026-06-05 20:01 ` bugzilla-daemon
2026-06-05 21:08 ` bugzilla-daemon
2026-06-05 21:09 ` bugzilla-daemon
2026-06-06 17:40 ` bugzilla-daemon
2026-06-06 17:43 ` bugzilla-daemon
2026-06-06 17:51 ` bugzilla-daemon
2026-06-06 18:11 ` bugzilla-daemon
2026-06-06 18:26 ` bugzilla-daemon
2026-06-06 18:31 ` bugzilla-daemon [this message]
2026-06-06 19:28 ` bugzilla-daemon
2026-06-06 19:37 ` bugzilla-daemon
2026-06-06 20:58 ` bugzilla-daemon
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=bug-221583-215701-EO77sJ2pN7@https.bugzilla.kernel.org/ \
--to=bugzilla-daemon@kernel.org \
--cc=platform-driver-x86@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.