From: Thomas Christensen <christensenthomas@gmail.com>
To: linux-acpi@vger.kernel.org
Subject: Re: [Aspire V5-431] Brightness control visible but does nothing
Date: Fri, 17 Jan 2014 09:13:41 +0700 [thread overview]
Message-ID: <20140117021341.GA22022@3bb.co.th> (raw)
In-Reply-To: <52D60057.2050505@intel.com>
On Wed, Jan 15, 2014 at 11:28:23AM +0800, Aaron Lu wrote:
> On 01/14/2014 06:02 PM, Thomas Christensen wrote:
> > This laptop gets a /sys/class/backlight/acpi_video0 entry for
> > backlight that is not working.
> >
> > $ ls /sys/class/backlight
> > acpi_video0 intel_backlight
> >
> > and I see the following entry in the kernel log:
> >
> > [ 19.515016] acer_wmi: Brightness must be controlled by acpi video driver
> >
> > By using 'acpi_backlight=vendor' my desktop starts to work.
>
> Please file a bug to kernel bugzilla:
> https://bugzilla.kernel.org/
> Choose ACPI/Power-Video, and attach your acpidump there.
opened as
https://bugzilla.kernel.org/show_bug.cgi?id=68751
let me know if I can be of further assistance.
Thanks,
Thomas
prev parent reply other threads:[~2014-01-17 2:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-14 10:02 [Aspire V5-431] Brightness control visible but does nothing Thomas Christensen
2014-01-15 3:28 ` Aaron Lu
2014-01-17 2:13 ` Thomas Christensen [this message]
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