Bug 45111 - Brightness control keys not working on HP 2510p
Summary: Brightness control keys not working on HP 2510p
Status: CLOSED CODE_FIX
Alias: None
Product: ACPI
Classification: Unclassified
Component: Power-Video (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Zhang Rui
URL: https://bugs.launchpad.net/ubuntu/+so...
Keywords:
Depends on:
Blocks:
 
Reported: 2012-07-24 09:15 UTC by Mateusz Łukasik
Modified: 2013-02-08 17:48 UTC (History)
3 users (show)

See Also:
Kernel Version: 3.4 and newest
Subsystem:
Regression: No
Bisected commit-id:

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Description Mateusz Łukasik 2012-07-24 09:15:08 UTC 
Hardware: HP Compaq 2510p 

Description:	Debian GNU/Linux unstable (sid)
Release:	unstable

On kernel newest than 3.4 version brigthness control key aren't working. The last one version if that was working is 3.3.8. 

Report from apci_listen on 3.2.23:
video/brightnessdown BRTDN 00000087 00000000
video/brightnessup BRTUP 00000086 00000000

On new mainline version 3.5 only this keys don't working. 

Launchpad link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1021267
Comment 1 Zhang Rui 2012-11-13 07:32:22 UTC 
please attach the acpidump output.

I guess this bug is either a duplicate of bug #43168 or a duplicate of bug #47861, and it should have been fixed in 3.7-rc4.
please verify.
Comment 2 Zhang Rui 2012-11-28 13:47:04 UTC 
ping...
Comment 3 Mateusz Łukasik 2012-11-28 17:20:44 UTC 
pong...

On 3.7-rc5 and 3.6.8 all working fine, I think it's solved problem.
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