I've narrowed it down to sometime between v3.6.8 and v3.7-rc1. So none of the v3.7 series will work with this GPU/panel.
I don't think it has anything to do with the dell modules since they haven't changed. Tom ----- Original Message ----- > From: "Tom St Denis" <tstde...@elliptictech.com> > To: linux-kernel@vger.kernel.org > Cc: "daniel vetter" <daniel.vet...@ffwll.ch>, mj...@srcf.ucam.org > Sent: Saturday, 1 December, 2012 6:49:51 PM > Subject: Brightness control fails between 3.6.8 and 3.7.0-rc7 (Intel 915/Dell > Vostro 3560) > > Hello all, > > Somewhere between v3.6.8 [vanilla] and 3.7.0-rc7 the ability to > control the LCD brightness was broken on this laptop [details > below]. Basically it locks the brightness as full brightness and > cannot be changed. It works properly in v3.6.8 though [and > below...]. > > Details: > > 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core > processor Graphics Controller (rev 09) (prog-if 00 [VGA controller]) > Subsystem: Dell Device 056e > Flags: bus master, fast devsel, latency 0, IRQ 44 > Memory at c3000000 (64-bit, non-prefetchable) [size=4M] > Memory at b0000000 (64-bit, prefetchable) [size=256M] > I/O ports at 5000 [size=64] > Expansion ROM at <unassigned> [disabled] > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > Capabilities: [d0] Power Management version 2 > Capabilities: [a4] PCI Advanced Features > Kernel driver in use: i915 > > This is on a Dell Vostro 3560/0C05GV > > I have the discrete radeon turned off [via vgaswitcheroo]. I have > dell_wmi and dell_laptop loaded. I use the same kernel config > between the two builds. > > Tom -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
