[ltp] Thinklight control on a T430s

Joachim Breitner linux-thinkpad@linux-thinkpad.org
Wed, 12 Sep 2012 23:08:57 +0200


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Hi,

Am Mittwoch, den 08.08.2012, 15:13 +0200 schrieb Joachim Breitner:
> I just got a new T430s, to replace my T400, and it seems that I cannot
> control the thinklight via /sys anymore, probably due to the new
> =E2=80=9Cfour-lighting-modes=E2=80=9D logic.
>=20
> Is this known? Is there a way to make it work? I start to miss chat
> messages due to the non-functional pidgin-blinklight.

small amendment: On Linux 3.5, I can manually enable the thinklight and
then switch it _off_ using
$ echo 0 > /sys/class/leds/tpacpi\:\:thinklight/brightness=20
but I cannot turn it on using
$ echo 255 > /sys/class/leds/tpacpi\:\:thinklight/brightness=20

Greetings,
Joachim

--=20
Joachim "nomeata" Breitner
  mail@joachim-breitner.de  |  nomeata@debian.org  |  GPG: 0x4743206C
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