From: Melchior FRANZ <melchior.franz@gmail.com>
To: "Joey Lee" <jlee@novell.com>
Cc: carlos@strangeworlds.co.uk, tiwai@suse.de, linux-kernel@vger.kernel.org
Subject: Re: acer_wmi: "Unable to detect available WMID devices" on Acer_Travelmate_5735Z-452G32Mnss (was: Re: i915/kms/backlight-combo mode problem)
Date: Sun, 1 May 2011 09:44:41 +0200 [thread overview]
Message-ID: <201105010944.41452@rk-nord.at> (raw)
In-Reply-To: <4DBD9716020000230002C094@novprvlin0050.provo.novell.com>
* Joey Lee -- Sunday 01 May 2011:
> I am tracing DSDT for why the WMID2 method return acpi fail, and maybe
> this machine direct support standard ACPI backlight method.
Excellent! :-)
> Does this machine's backlight control works before 2.6.39 kernel? I mean
> does backlight control works fine on 2.6.38 or 37 or even older kernel ?
Yes, it worked before, but also only with acpi_osi=Linux. I'm not
sure about the versions, but I think it already worked with whatever
opensuse 11.3 and 11.4 came with (some 2.6.34.* and 2.6.37.*). This
notebook came with "Linpus" Linux pre-installed, and everything
worked with that. Unfortunately, the notebook specific code was
apparently put in a binary blob module. Disgusting.
m.
next prev parent reply other threads:[~2011-05-01 7:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-01 7:23 Joey Lee
2011-05-01 7:44 ` Melchior FRANZ [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-04-30 17:51 Melchior FRANZ
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