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 Post subject: Support for Samsung R530 samsung-backlight not working
PostPosted: 26/06/2010, 3:50 
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Joined: 26/06/2010, 3:42
Posts: 1
lspci -nn


00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port [8086:2a41] (rev 07)
00:1a.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
00:1a.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
00:1a.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03)
00:1a.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
00:1c.3 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 [8086:2946] (rev 03)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
00:1f.2 SATA controller [0106]: Intel Corporation ICH9M/M-E SATA AHCI Controller [8086:2929] (rev 03)
00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
01:00.0 VGA compatible controller [0300]: nVidia Corporation GT218 [GeForce 310M] [10de:0a75] (rev a2)
01:00.1 Audio device [0403]: nVidia Corporation High Definition Audio Controller [10de:0be3] (rev a1)
02:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
04:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354]


sudo dmidecode -s system-product-name

R530/R730


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 Post subject: Re: Support for Samsung R530 samsung-backlight not working
PostPosted: 27/06/2010, 23:49 
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Joined: 27/06/2010, 23:20
Posts: 1
i have exactly the same laptop and had the same problem but only with the nvidia drivers and the Fn keys are not working

This is what i did to fix this problem
First i did try setting the backlight level without the Nvidia driver this worked fine without any problems with the vesa drivers and nv. I can only set this trough a app for gnome , gnome brightness aplet and for kde the Kpowersave tool. The Fn key's are not working in my case.

If this is working install the Nvidia driver.
You can do this in most distro's easily with synaptics package manager. If installed you need to get the config right. You can do this with the command: sudo nvidia-xconfig.

At last you need to edit the file /etc/X11/xorg.conf
in the section device you need to add this: Option "RegistryDwords" "EnableBrightnessControl=1"


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