bbswitch lenovo info

dmesg | grep -C 10 bbswitch:
[   16.222357] wlan0: authenticate with c0:c1:c0:04:14:03 (try 1)
[   16.225033] wlan0: authenticated
[   16.225160] wlan0: associate with c0:c1:c0:04:14:03 (try 1)
[   16.228188] wlan0: RX AssocResp from c0:c1:c0:04:14:03 (capab=0x411 status=0 aid=3)
[   16.228196] wlan0: associated
[   16.239653] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   16.458333] Intel AES-NI instructions are not detected.
[   26.940808] wlan0: no IPv6 routers present
[   61.239939] fuse init (API version 7.17)
[   74.580997] iwlwifi 0000:08:00.0: Tx aggregation enabled on ra = c0:c1:c0:04:14:03 tid = 0
[  125.828750] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[  125.828762] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.VGA_
[  125.828864] bbswitch: No suitable _DSM call found.

uname -a
Linux jmbook2 3.2.0-2-ARCH #1 SMP PREEMPT Sat Jan 7 14:27:58 CET 2012 x86_64 Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz GenuineIntel GNU/Linux

Arch Stable with 3.2 kernel from testing

X -version
X.Org X Server 1.11.3
Release Date: 2011-12-16
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.1.5-1-ARCH x86_64
Current Operating System: Linux jmbook2 3.2.0-2-ARCH #1 SMP PREEMPT Sat Jan 7 14:27:58 CET 2012 x86_64
Kernel command line: root=/dev/sda3 ro
Build Date: 17 December 2011  09:17:41AM

Current version of pixman: 0.24.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.

cat /proc/acpi/dump_info
0000:00:00.0 060000
0000:00:01.0 060400 \_SB_.PCI0.PEG0
0000:00:02.0 030000 \_SB_.PCI0.GFX0
0000:00:16.0 078000
0000:00:1a.0 0c0320 \_SB_.PCI0.EHC2
0000:00:1b.0 040300 \_SB_.PCI0.HDEF
0000:00:1c.0 060400 \_SB_.PCI0.RP01
0000:00:1c.1 060400 \_SB_.PCI0.RP02
0000:00:1c.3 060400 \_SB_.PCI0.RP04
0000:00:1c.4 060400 \_SB_.PCI0.RP05
0000:00:1d.0 0c0320 \_SB_.PCI0.EHC1
0000:00:1f.0 060100 \_SB_.PCI0.LPCB
0000:00:1f.2 010601 \_SB_.PCI0.SAT0
0000:00:1f.3 0c0500 \_SB_.PCI0.SBUS
0000:01:00.0 030000 \_SB_.PCI0.PEG0.VGA_
0000:07:00.0 020000 \_SB_.PCI0.RP01.PXSX
0000:08:00.0 028000 \_SB_.PCI0.RP02.PXSX
0000:09:00.0 0c0330 \_SB_.PCI0.RP04.PXSX
0000:0a:00.0 088000 \_SB_.PCI0.RP05.J380
0000:0a:00.2 080501 \_SB_.PCI0.RP05.J382
0000:0a:00.3 088000 \_SB_.PCI0.RP05.J383
0000:0a:00.4 088000 \_SB_.PCI0.RP05.J384