Hi, Jani Nikula <jani.nikula <at> linux.intel.com> writes:
> On Thu, 13 Nov 2014, olivier.fambon <at> free.fr wrote: >> $ 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 As there's a specific broadwell i915 module, you have to adapt as follows: options i915_bdw invert_brightness=1 > I highly doubt this. This might be true for some gen4 models, but not > Valleyview. The above mentioned i915_bdw option fixes the backlight inversion on my HP 250 G3 (same lspci output as in original post) So long. Max
