On Monday, October 14, 2013 02:55:05 AM Lennart Poettering wrote:
> On the Yoga 13 the backlight control doesn't work via ACPI. (And doesn't
> work either with the low-level platform driver ideapad_laptop; but
> works correctly via the intel video driver). This patch hence adds the
> Yoga 13 to th
On Mon, 2013-10-14 at 18:24 +0200, Lennart Poettering wrote:
> That means on win8 machines with win8 graphics there'll always be a
> single backlight device in userspace only?
That's the assumption, but we potentially still need to figure out why a
couple of machines are broken to make that happe
On Mon, 14.10.13 15:48, Matthew Garrett (matthew.garr...@nebula.com) wrote:
> On Mon, 2013-10-14 at 17:36 +0200, Lennart Poettering wrote:
>
> > Sorry, still not getting this. How should this ever work if the intel
> > video driver is compiled as kmod? That means that it isn't clear at all
> > wh
On Mon, 2013-10-14 at 17:36 +0200, Lennart Poettering wrote:
> Sorry, still not getting this. How should this ever work if the intel
> video driver is compiled as kmod? That means that it isn't clear at all
> when the kmod is going to be loaded or if it is loaded at all, you
> cannot delay the reg
On Mon, 14.10.13 12:17, Aaron Lu (aaron...@intel.com) wrote:
> > Hmm, regarding your patch series, do you plan to skip the registration
> > of the acpi backlight device if the "raw" device is supported? I mean,
>
> Yes, that's right.
>
> > the intel driver could be compiled as a module (and gene
On 10/14/2013 11:49 AM, Lennart Poettering wrote:
> On Mon, 14.10.13 10:36, Aaron Lu (aaron...@intel.com) wrote:
>
>>> - Backlight control doesn't work via ACPI without acpi_osi="!Windows 2012"
>>> - Backlight control doesn't work via ACPI with acpi_osi="!Windows 2012"
>>> - Backlight control does
On Mon, 14.10.13 10:36, Aaron Lu (aaron...@intel.com) wrote:
> > - Backlight control doesn't work via ACPI without acpi_osi="!Windows 2012"
> > - Backlight control doesn't work via ACPI with acpi_osi="!Windows 2012"
> > - Backlight control doesn't work via EC commands from ideapad-laptop.c
> >
>
On 10/14/2013 10:23 AM, Lennart Poettering wrote:
> On Mon, 14.10.13 09:11, Aaron Lu (aaron...@intel.com) wrote:
>
>>> Note that this appears unrelated to the Windows 8 backlight issues tracked
>>> here:
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=51231
>>> https://bugzilla.kernel.org/show
On Mon, 14.10.13 09:11, Aaron Lu (aaron...@intel.com) wrote:
> > Note that this appears unrelated to the Windows 8 backlight issues tracked
> > here:
> >
> > https://bugzilla.kernel.org/show_bug.cgi?id=51231
> > https://bugzilla.kernel.org/show_bug.cgi?id=60682
> >
> > The Yoga's ACPI backlight
On 10/14/2013 08:55 AM, Lennart Poettering wrote:
> On the Yoga 13 the backlight control doesn't work via ACPI. (And doesn't
> work either with the low-level platform driver ideapad_laptop; but
> works correctly via the intel video driver). This patch hence adds the
> Yoga 13 to the ACPI video det
On the Yoga 13 the backlight control doesn't work via ACPI. (And doesn't
work either with the low-level platform driver ideapad_laptop; but
works correctly via the intel video driver). This patch hence adds the
Yoga 13 to the ACPI video detect blacklist, to make sure the broken ACPI
backlight devi
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