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SubjectRe: Linux 3.11-rc2 [backlight] [ASUS N56VZ]
Hi,

it seems a lot of people are complaining about the backlight pull
request of RC2.

This is to tell you how it saved my life:
- Changing brightness from Fn keys does work
- Writing to /sys/class/backlight/intel_backlight/brightness does work
- Changing brightness from gnome brightness settings does work
--> It seems everything is now working (it wasn't before).
--> I appreciate your patch and I am going to be sad if you revert it :-)


My laptop : Asus N56VZ
My /proc/cpuinfo:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1030556/+attachment/3241093/+files/ProcCpuinfo.txt
My dmidecode is below.

Changing brightness from Fn keys didn't work on 3.9 and 3.10 kernels.
I a not sure for previous versions though a patch was made for 3.2 in
ubuntu. See details here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1030556

There are a lot of bugs opened for this:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173107
http://askubuntu.com/questions/156708/how-to-get-multimedia-keys-working-at-my-asus-n56vz-ubuntu-12-04-notebook

https://bugs.archlinux.org/task/35320

Regards
Sam


# dmidecode 2.11
# SMBIOS entry point at 0x000f04c0
SMBIOS 2.7 present.
23 structures occupying 1708 bytes.
Table at 0x000EBA70.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: American Megatrends Inc.
Version: N56VZ.215
Release Date: 11/02/2012
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 6144 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
ACPI is supported
USB legacy is supported
Smart battery is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 4.6

Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: N56VZ
Version: 1.0
Serial Number: C6N0AS306834244
UUID: 10017880-B5B7-81E1-3FDF-3085A9061B75
Wake-up Type: Power Switch
SKU Number: ASUS-NotebookSKU
Family: N

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: N56VZ
Version: 1.0
Serial Number: BSN12345678901234567
Asset Tag: ATN12345678901234567
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: MIDDLE
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0

Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
Manufacturer: ASUSTeK COMPUTER INC.
Type: Notebook
Lock: Not Present
Version: 1.0
Serial Number: C6N0AS306834244
Asset Tag: No Asset Tag
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: None
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: 1
Contained Elements: 0
SKU Number: To be filled by O.E.M.

Handle 0x0004, DMI type 10, 26 bytes
On Board Device 1 Information
Type: Video
Status: Enabled
Description: VGA
On Board Device 2 Information
Type: Ethernet
Status: Enabled
Description: GLAN
On Board Device 3 Information
Type: Ethernet
Status: Enabled
Description: WLAN
On Board Device 4 Information
Type: Sound
Status: Enabled
Description: Audio CODEC
On Board Device 5 Information
Type: SATA Controller
Status: Enabled
Description: SATA Controller
On Board Device 6 Information
Type: Other
Status: Enabled
Description: USB 2.0 Controller
On Board Device 7 Information
Type: Other
Status: Enabled
Description: USB 3.0 Controller
On Board Device 8 Information
Type: Other
Status: Enabled
Description: SMBus Controller
On Board Device 9 Information
Type: Other
Status: Enabled
Description: Card Reader
On Board Device 10 Information
Type: Other
Status: Enabled
Description: Cmos Camera
On Board Device 11 Information
Type: Other
Status: Enabled
Description: Bluetooth

Handle 0x0005, DMI type 11, 5 bytes
OEM Strings
String 1: 6kfb9jsNVeN50
String 2: I76yifUckyZ2n
String 3: W0-kvTpaXZUpn
String 4: 90N9IC442L1875VL355Y
String 5:
String 6:
String 7:
String 8:
String 9:
String 10:

Handle 0x0006, DMI type 12, 5 bytes
System Configuration Options
Option 1: DSN: W54S4QJE
Option 2: DSN:57B1609A5803
Option 3: DSN:3085A9061B75
Option 4: SMI:00B2CA

Handle 0x0007, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected

Handle 0x0008, DMI type 7, 19 bytes
Cache Information
Socket Designation: CPU Internal L2
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Write Through
Location: Internal
Installed Size: 1024 kB
Maximum Size: 1024 kB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Multi-bit ECC
System Type: Unified
Associativity: 8-way Set-associative

Handle 0x0009, DMI type 7, 19 bytes
Cache Information
Socket Designation: CPU Internal L1
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Through
Location: Internal
Installed Size: 256 kB
Maximum Size: 256 kB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Parity
System Type: Data
Associativity: 8-way Set-associative

Handle 0x000A, DMI type 7, 19 bytes
Cache Information
Socket Designation: CPU Internal L3
Configuration: Enabled, Not Socketed, Level 3
Operational Mode: Write Back
Location: Internal
Installed Size: 6144 kB
Maximum Size: 6144 kB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Multi-bit ECC
System Type: Unified
Associativity: 12-way Set-associative

Handle 0x000B, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: Not Provided
Number Of Devices: 4

Handle 0x000C, DMI type 4, 42 bytes
Processor Information
Socket Designation: SOCKET 0
Type: Central Processor
Family: Core i7
Manufacturer: Intel(R) Corporation
ID: A9 06 03 00 FF FB EB BF
Signature: Type 0, Family 6, Model 58, Stepping 9
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
DS (Debug store)
ACPI (ACPI supported)
MMX (MMX technology supported)
FXSR (FXSAVE and FXSTOR instructions supported)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Multi-threading)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz
Voltage: 2.9 V
External Clock: 100 MHz
Max Speed: 3800 MHz
Current Speed: 2300 MHz
Status: Populated, Enabled
Upgrade: Socket rPGA988B
L1 Cache Handle: 0x0009
L2 Cache Handle: 0x0008
L3 Cache Handle: 0x000A
Serial Number: Not Specified
Asset Tag: Fill By OEM
Part Number: Fill By OEM
Core Count: 4
Core Enabled: 4
Thread Count: 8
Characteristics:
64-bit capable

Handle 0x000D, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000B
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Hynix/Hyundai
Serial Number: 196F857E
Asset Tag: 9876543210
Part Number: HMT325S6CFR8C-PB
Rank: 1
Configured Clock Speed: 1600 MHz

Handle 0x000E, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0007FFFFFFF
Range Size: 2 GB
Physical Device Handle: 0x000D
Memory Array Mapped Address Handle: 0x0013
Partition Row Position: Unknown
Interleave Position: 1
Interleaved Data Depth: 2

Handle 0x000F, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000B
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: ChannelA-DIMM1
Bank Locator: BANK 1
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: [Empty]
Serial Number: [Empty]
Asset Tag: 9876543210
Part Number: [Empty]
Rank: Unknown
Configured Clock Speed: Unknown

Handle 0x0010, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000B
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Hynix/Hyundai
Serial Number: 0D649EC1
Asset Tag: 9876543210
Part Number: HMT351S6CFR8C-PB
Rank: 2
Configured Clock Speed: 1600 MHz

Handle 0x0011, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00080000000
Ending Address: 0x0017FFFFFFF
Range Size: 4 GB
Physical Device Handle: 0x0010
Memory Array Mapped Address Handle: 0x0013
Partition Row Position: Unknown
Interleave Position: 2
Interleaved Data Depth: 2

Handle 0x0012, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000B
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: ChannelB-DIMM1
Bank Locator: BANK 3
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: [Empty]
Serial Number: [Empty]
Asset Tag: 9876543210
Part Number: [Empty]
Rank: Unknown
Configured Clock Speed: Unknown

Handle 0x0013, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0017FFFFFFF
Range Size: 6 GB
Physical Array Handle: 0x000B
Partition Width: 4

Handle 0x0018, DMI type 131, 64 bytes
OEM-specific Type
Header and Data:
83 40 18 00 31 00 00 00 00 00 00 00 00 00 00 00
F8 00 59 1E 00 00 00 00 01 20 00 00 00 00 08 00
B8 05 0A 00 00 00 00 00 C8 00 FF FF 00 00 00 00
00 00 00 00 66 00 00 00 76 50 72 6F 00 00 00 00

Handle 0x0019, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Long
Installable Languages: 1
en|US|iso8859-1
Currently Installed Language: en|US|iso8859-1

Handle 0x001A, DMI type 127, 4 bytes
End Of Table



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