Arch Linux

Description:

Noteboot Sony Vaio SZRXN
Backlight (Fn+F5, Fn+F6) not working


Additional info:

Arch+openbox

Standard kernel 3.3.2-1
xf86-video-nouveau 0.0.16_git20120210-1

xorg.conf

Section "Device"
Identifier "Card0"
Driver "nouveau"
BusID "PCI:1:0:0"
Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection

Section "Module"
Load "extmod"
Load "record"
Load "dri2"
Load "dbe"
Load "dri"
#Load "nv-control"
EndSection

(nv-control - not working too)

nvclock -S ... - not working


I tried LMDE live-cd - all works but without nouveua

# find /sys/devices/|grep bright
/sys/devices/platform/sony-laptop/brightness_default
/sys/devices/virtual/backlight/sony/brightness
/sys/devices/virtual/backlight/sony/actual_brightness
/sys/devices/virtual/backlight/sony/max_brightness
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/card0-LVDS-1/nv_backlight/brightness
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/card0-LVDS-1/nv_backlight/actual_brightness
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/card0-LVDS-1/nv_backlight/max_brightness
/sys/devices/pci0000:00/0000:00:1c.1/0000:06:00.0/leds/phy0-led/brightness
/sys/devices/pci0000:00/0000:00:1c.1/0000:06:00.0/leds/phy0-led/max_brightness

This one
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/card0-LVDS-1/nv_backlight/brightness
works in LMDE, and max_brightness=255

In Arch max_brightness=100. And all of them are not working.

Kernel boot:

kernel /vmlinuz-linux cryptdevice=/dev/sda2:crypt root=/dev/mapper/lvm-root resume=/dev/mapper/lvm-swap acpi_osi=Linux acpi_backlight=vendor hpet=disable pcie_aspm=force ipv6.disable=1 nopcmcia acpi_sleep=s3_bios,s3_mode ro

lspci

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port (rev 0c)
00:1a.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 03)
00:1d.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HM (ICH8M) LPC Interface Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
01:00.0 VGA compatible controller: NVIDIA Corporation G86 [GeForce 8400M GS] (rev a1)
06:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
07:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 12)
09:04.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
09:04.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller
09:04.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)