-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 phcoder and moosbart, could you also try this on your macbook21's ?
On 16/05/14 00:02, The Gluglug wrote: > For T60 (Intel GPU. Mine is 15" version): sudo devmem2 0xe4361254 > w 0x58BF58BE > > <fchmmr> I read from that address using this command: sudo > devmem2 0xe4361254 w <fchmmr> I did that on my T60 running Lenovo > BIOS and get this: 0xFFFFFFFF <fchmmr> I did that on my T60 (same > one) running coreboot with vgarom and get this: 0x58BF58BE <fchmmr> > With libreboot on a T60 (when native graphics is made to work, > which at the moment it doesn't) you will instead do this: <fchmmr> > sudo devmem2 0xe4361254 w 0x58BF58BE <fchmmr> Same address, > different value (for making backlight controls work on the > T60/intelGPU) > > On 15/05/14 22:09, The Gluglug wrote: >> Tested in current libreboot. should work in coreboot (using >> changeset 5320 or a rebase). > >> <fchmmr> hey you! <fchmmr> I just got backlight controls working >> PERFECTLY <fchmmr> on an X60, running libreboot with native >> graphics init instead of vga oprom <fchmmr> Fn keys, that is. >> <fchmmr> it'll also work in coreboot (using change set 5320) >> <fchmmr> how i did it: <fchmmr> run coreboot on X60 with vgarom >> <fchmmr> do that to read from that address at each brightness >> level: <fchmmr> sudo devmem2 0xe4361254 w <fchmmr> it came back >> with 0x879F879E every time <fchmmr> so then I tried: <fchmmr> >> sudo devmem2 0xe4361254 w 0x879F879E <fchmmr> writing 0x879F879E >> to address 0xe4361254 <fchmmr> and then I try the Fn keys for >> brightness controls on the X60 <fchmmr> now it works. <fchmmr> >> brightenss controlls work <fchmmr> this is amazing. > >> Yay! > >> So: that address should be written with that value, by coreboot, >> at boot time. > > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTdUlYAAoJEP9Ft0z50c+UPsoH/jPo4MRBOCJhFWpn/VhFIYq4 ZCpAZA2mkOiDzmtMww+dH2Er2+Oe1sua90dTFVHOAc9V/2n8m7MKJCufXzcAl26j l0Kmr47vTJm0N5WA0SAIw8J7UJDgJOz68Qy441hDIJrpK5YnNoBHcvmUf92jRphC XZbx9/8gaaVdx016s/WnvjLuSfTYx8RhiWuNo5JQnJJzy+4ebxsS8+EChcrjDWqM zZt9IfP4+Lj7m9/jhQ8xvB+tT0YmrI6hmvJPBf7MMpjZ91vMfVPjbYr3b+idw6C4 vPiynI3zfwD4Ij/iMgC5uJDYWcOT8Ph49lPEkHFK4pNUidd+a61ELSgJXOK3X1Q= =A9tA -----END PGP SIGNATURE----- -- coreboot mailing list: coreboot@coreboot.org http://www.coreboot.org/mailman/listinfo/coreboot