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SubjectRe: Linux 3.11-rc2 [backlight] [ASUS N56VZ]
Date
On Wednesday, July 24, 2013 10:55:32 PM Igor Gnatenko wrote:
> Rafael, I think we shall create bug report with this problems. Doesn't
> works sysfs Intel backlight.

Yes, it looks like that is the source of the problems that people have after
the change in question.

Thanks,
Rafael


> On Jul 24, 2013 10:49 PM, "* SAMÍ *" <miaousami@hotmail.com> wrote:
>
> > 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<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<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<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<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<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
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/**majordomo-info.html<http://vger.kernel.org/majordomo-info.html>
> > Please read the FAQ at http://www.tux.org/lkml/
> >
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
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