Bug 45111

Summary:	Brightness control keys not working on HP 2510p
Product:	ACPI	Reporter:	Mateusz Łukasik (mati75)
Component:	Power-Video	Assignee:	Zhang Rui (rui.zhang)
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	alan, lenb, rui.zhang
Priority:	P1
Hardware:	All
OS:	Linux
URL:	https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1021267
Kernel Version:	3.4 and newest	Subsystem:
Regression:	No	Bisected commit-id:

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.