On Mon, Apr 23, 2012 at 04:00:23PM +0200, Carsten Emde wrote: > # intel_reg_write 0x61250 0x80000000 > Value before: 0xE0000000 > Value after: 0x80000000 > # intel_reg_read 0x61254 > 0x61254 : 0xB4A0B4A > > # intel_reg_write 0x61250 0xa0000000 > Value before: 0x80000000 > Value after: 0xA0000000 > # intel_reg_read 0x61254 > 0x61254 : 0xB4A0B4A > > # intel_reg_write 0x61250 0x90000000 > Value before: 0xA0000000 > Value after: 0x90000000 > # intel_reg_read 0x61254 > 0x61254 : 0xB4A0B4A > > # intel_reg_write 0x61250 0xb0000000 > Value before: 0x90000000 > Value after: 0xB0000000 > # intel_reg_read 0x61254 > 0x61254 : 0xB4A0B4A > > Not much. The idea was to boot with kms and see whether any of these values would restore the backlight. Writing to CTL1 should change anything in CTL2. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
