SRU: LP#257827 -- acpi brightness control
On Fri, Nov 21, 2008 at 05:16:10PM +0000, Andy Whitcroft wrote:
> On Thu, Nov 20, 2008 at 11:22:55AM -0700, Tim Gardner wrote:
> > Andy Whitcroft wrote:
> > > This series represents a backport of a change to the ACPI backlight
> > > support. This change was original done to sort out brightness control
> > > problems for a number of different laptop models triggered by non-existant
> > > devices being created (as reported on this bug). These changes also
> > > are reported to fix boot crashes on a number of Samsung laptops (as
> > > reported on LP#146692). All of these changes are direct back ports from
> > > mainline, no changes were needed to apply them. They are all upstream
> > > as of v2.6.28-rc5.
> > >
> > > I have built test kernels with these applied and a number of community
> > > members have tested these and confirm that they do indeed allow those
> > > laptops to boot and brightness control is improved there.
> > >
> > > Proposing these for SRU to Intrepid.
> > >
> > > -apw
> > Disregard previous transmission wrt to '[PATCH 01/10] ACPI: video:
> > Ignore devices that aren't present in hardware'
> > Provisional ACK pending test results.
> I have rebased these onto the top of the 2.6.27-10.20 and pushed those
> up for any intrested testers. So far we have three positive tests
> results from the boot crashing Samsung laptops, with some reports of
> improved brightness handling from them. That seems pretty positive.
> Will see if anyone from the primary report gives us any feedback this
We have had little further feedback. As this fixes a number of
non-booting laptops we should probabally accept this for Intrepid. If
you concur I can push this.
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