On Thu, 13 Nov 2014, olivier.fambon@xxxxxxx wrote: > Hi there, > > $ lspci | grep VGA > 00:02.0 VGA compatible controller: Intel Corporation ValleyView Gen7 (rev 0e) > > $ sudo lspci -v -s 00:02 > 00:02.0 VGA compatible controller: Intel Corporation ValleyView Gen7 (rev 0e) (prog-if 00 [VGA controller]) > Subsystem: Hewlett-Packard Company Device 2213 > Flags: bus master, fast devsel, latency 0, IRQ 107 > Memory at 90000000 (32-bit, non-prefetchable) [size=4M] > Memory at 80000000 (32-bit, prefetchable) [size=256M] > I/O ports at 3050 [size=8] > Expansion ROM at <unassigned> [disabled] > Capabilities: [d0] Power Management version 2 > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > Capabilities: [b0] Vendor Specific Information: Len=07 <?> > Kernel driver in use: i915 > > > => requires the following to make brightness control keys work as expected > > $ cat /etc/modprobe.d/i915.conf > options i915 invert_brightness=1 I highly doubt this. This might be true for some gen4 models, but not Valleyview. Please file a bug on DRM/Intel at [1], and describe the symptoms. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI > > > > > tested on ubuntu 14.04 (with added xorg conf below) > > $ cat /usr/share/X11/xorg.conf.d/20-intel.conf > Section "Device" > Identifier "card0" > Driver "intel" > Option "Backlight" "intel_backlight" > BusID "PCI:0:2:0" > EndSection > > > Note that the same brightness inversion happened also on ubuntu 14.10 (vanilla install, no xorg conf required) > > > Cheers, > Olivier. > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
