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[Guide] Backlight + Brightness for Intel 8086:0046 (1st gen HD) (GMA 5700MHD)

first generation HD backlight brightness ACPI DSDT 8086:0046 GMA 5700MHD Ironlake Arrandale

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#161
RiskyRis

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Is this fine ??? :cry: , My BAR1 is starting with 0x9

 

Device/Vendor ID    0x00468086
Revision ID    0x18
Class Code    0x030000
Cacheline Size    0x00
Latency Timer    0x00
Interrupt Pin    INTA
Interrupt Line    None
BAR1        0x90000004
BAR2        0x00000000
BAR3        0x8000000C
BAR4        0x00000000
BAR5        0x00003051
BAR6        0x00000000
Expansion ROM    0x00000000
Subsystem ID    0x06031025

 

 

 

 

 

EDIT : Yay :D , its working now, thanks mnorthern, yayayay, happy to not using shades again :thumbsup_anim: ,thanks a ton mnorthern
 


Edited by RiskyRis, 14 June 2014 - 01:57 AM.


#162
Nys

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(acer travelmate 5742z laptop)

 

thanks to ghost raider and mnothern, I was able to solve the problem  :) (all dsdt errors must be fixed and _SB part in the guide is important to notice.)



#163
nixones

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Brightness is working on my Acer Aspire 4740 (Intel Core i5 430M) but I have two little problems :

 

1st. When I use the Functions Keys (Fn + Left Arrow and Fn + Right Arrow) to change to Brightness intensity, is only working the Fn + Right Arrow to increase brightness but I can't decrease the brightness, I need to go to System Preferences to decrease brightness with the bar.
 
2nd. When I reboot/shutdown the laptop, the brightness values are reseted to the maximum value so I must adjust the brightness values again.
 
Please, is there a solution for this ? 


#164
oasisero

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HI everyone! i'm new in this. and i wonder if someone can patch my dsdst.aml for backlight after sleep mode, because the lcd powers on but backlight still off and i have to reboot the system to work again.
i'm not really interested in brightness adjust, but i really need the backlight patch
thanks!
 
P/s: i don't know anything about patching dsdt or programming, so if someone can help me with this.. it will be very appreciated, by the way, this forum is amazing.

 

here are my screen capture of BAR1 and my original dsdt without patches.

 

Attached Files



#165
mr.nguyen0504

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HI everyone! i'm new in this. and i wonder if someone can patch my dsdst.aml for backlight after sleep mode, because the lcd powers on but backlight still off and i have to reboot the system to work again.
i'm not really interested in brightness adjust, but i really need the backlight patch
thanks!
 
P/s: i don't know anything about patching dsdt or programming, so if someone can help me with this.. it will be very appreciated, by the way, this forum is amazing.

 

here are my screen capture of BAR1 and my original dsdt without patches.

0xD0048254

0xD0048250

0xD00C8250

0xD00C8254

my fb: fb.com/dinhnguyen99 

if you don't understand, just give me a messenger. 

Sorry for my English. I'm Vietnamese and i just 15 years old :)



#166
wyanshan

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Much Thanks.

 

I just want fix backlight problem with my Intel HD Graphics. I have fixed display card native resolution with the help of thread of GhostRaider. So Great!

 

Now I want to fix backlight problem which is exactly same as yours and GhostRaider's problem....

 

I have installed your acpibacklight.kext first , and then  edit the dsdt.aml file with the help of #6 step by step. But it does not work..My Bar0/Bar1 is C000000004

oh My God! Pls help me! Attached file:

My Laptop is HP DV6 3028tx

 

 

Attached Files



#167
RiskyRis

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mnorthern, sleep worked now, but when i'm wake the pc, i can't move my laptop cursor and can't type .. whats wrong.

, please check my dsdt (if u have time).

here is my dsdt..



 

Attached Files

  • Attached File  dsdt.zip   20.69KB   0 downloads


#168
colin404

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Hp pavilion dv6-3032ea 

intel i5-460m

sleep: Works when lid is closed/when put to sleep manually and on its own.

           Wakes from all with no problems.

Screen dims when AC power is unplugged and brightens when plugged back in.

Only thing not working are keyboard keys, but never used them anyway.

Screen Shot 2015-01-10 at 00.36.41.png
Screen Shot 2015-01-10 at 00.39.38.png
04-01-2015 01-47-05.jpg

 

 

 

Thank you mnorthern 

Attached Files



#169
calabash

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@mnorthern, good news here! I'm now able to wake up with backlight, finally! Attached is my working dsdt.

The changes are that I removed the original _WAK contents and added what you gave me:
 

Method (_WAK, 1, NotSerialized)
{
	 Store (0x80000000, LEVW)
	 Store (0x061A061A, LEVX) // This value should vary based on the RW Everything inspect results
	 Store (0x80000000, LEV2)
	 Store (0x12FF, LEVL)
	 Return (Package (0x02)
	 {
		 Zero,
		 Zero
	 })
}
To enable sleep, I also removed my EHC2 device, which maybe the SD card slot; however I have to keep the EHC1 device so that my external USB wireless card (with a RTL8192CU7 chip) will resume working after waking up.

This is, however, only a special case for this strange graphic card. I'm not sure why it works without all the wake up logic; also, I don't understand why my Fn+Brightness keys work without showing the sun icon on screen.

BTW, the annoying coil sound remains.

Again thank you very much @mnorthern!

 

Hi,

 

thank you for this great guide, awesome work!

 

I followed your discussion with mnorthern, applied necessary code to my DSDT and everything works out fine. I have to do some keyboard mapping, because brightness keys works with the two buttons over F11 and F12.

 

There is some cosmetic thing i can not go to work.

The x201 has a status indicator for sleep, a half-moon on the LCD panel. It works fine when the laptop falls to sleep, and the indicator is lightning. But when it comes awake, the indicator does not change its behavior, it remains lightning.

 

Do you have the same issue?

 

 

Please take a look at my DSDT

Attached Files



#170
Felix Chan

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Hi,

 

thank you for this great guide, awesome work!

 

I followed your discussion with mnorthern, applied necessary code to my DSDT and everything works out fine. I have to do some keyboard mapping, because brightness keys works with the two buttons over F11 and F12.

 

There is some cosmetic thing i can not go to work.

The x201 has a status indicator for sleep, a half-moon on the LCD panel. It works fine when the laptop falls to sleep, and the indicator is lightning. But when it comes awake, the indicator does not change its behavior, it remains lightning.

 

Do you have the same issue?

 

 

Please take a look at my DSDT

Yes I do have the same issue, and I have no idea how to fix it.

However, I guess the issue is not a critical one; I can still sleep-wake the laptop normally many times.



#171
calabash

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Yes I do have the same issue, and I have no idea how to fix it.

However, I guess the issue is not a critical one; I can still sleep-wake the laptop normally many times.

 

Okay, so this is a generell problem.

 

Btw, is your WLAN indicator lightning?

As i remember you have USB working after sleep, how did you fix it?



#172
pokenguyen

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I can't download the file anymore.



#173
Rambutan Computing

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Hello,

 

Im using Thosiba L645 with OSX Mavericks.

I follow your guide, slider is show, but the brightness cannot change.

Any solutions ?

 

Thanks :)



#174
nehedar

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Hi MNorthern

 

I have an Acer Aspire 5741-3404

 

I installed the Kext and patched the DSDT and got the brightness slider on Display preferences but the LCD does not change the brightness.

 

Not even the Fn + < > works

 

I tried the add those lines of Method ( _DSM 4, not serialized...

 

and create error, so I discarded

 

Here is my DSDT

 

 

Thanks

 

 

Attached Files







Also tagged with one or more of these keywords: first generation HD, backlight, brightness, ACPI, DSDT, 8086:0046, GMA, 5700MHD, Ironlake, Arrandale


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