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Old 03-22-2013, 08:43 AM   #16
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Please be sure you already jailbreaked your Kindle DXG (download this file and apply update_jailbreak_0.11.N_dxg_install.bin first, before and separate from the contrast update). Also, the update only works on the Kindle DX Graphite. If you have some other DX I could try to make a package but I wouldn't be able to test it.
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Old 03-22-2013, 11:11 AM   #17
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Kindle DX

Dear Isothem,

Thanks a lot for the info. But a little query as Jailbreaking is new for me.

I am accessing 3G services of Amazon. So after jail breaking will the 3G be working on my Kindle DXG ? Can I reverse back to original software anytime ?

Expecting your expert opinion on this.
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Old 03-22-2013, 11:33 AM   #18
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jailbreaking is a tiny change.
To be accurate it´s not really ¨jailbreaking¨ in the phone sense.
It´s actually ¨Rooting¨.

Yes it will still work on 3g as this is totally unrelated.
(I have a dx, with 3g and have done this)

Yes you can rollback the change at any time. But I doubt you will want to.

Last edited by twobob; 03-22-2013 at 11:35 AM.
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Old 03-22-2013, 12:02 PM   #19
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Good evening. I've just installed and it does nothing... Update succesfully, press and hold Shift+Up (in the fiveway), nothing, Shift+Down nothing, Shift+Press fiveway nothing. My DXG is in 2.5.8.
Thank you for your help

Edit: ok, just for PDF. I'm sorry...

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Old 03-22-2013, 02:14 PM   #20
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Okay I ran this in on the dx 2.5.8 to give it a test.

Will post something when I have it
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Old 03-22-2013, 02:59 PM   #21
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I am seeing much the same lack of behaviour. Will dig further when I get a bit more time.
I DID check the contrast binary was "somewhere" in the path.

And even ran it manually, and checked the waitforkey was 41 1 etc...

But manually pushing values in the relevant /proc seemed to have no effect also...

Will check my facts.

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Old 03-29-2013, 07:57 AM   #22
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I just tried uninstalling, verifying everything was removed, and then reinstalling, but it works here on this DXG.

twobob: You should get an inverted screen by running this command:
Code:
echo "19 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" > /proc/eink_fb/update_display
If you don't, it seems the new driver didn't get applied. Please check the size of /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink/hal/eink_fb_hal.ko which should be 66431 (original is 65936).
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Old 03-29-2013, 08:10 AM   #23
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okay Ill test that now...

Quote:
echo "19 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" > /proc/eink_fb/update_display
Didnt seem to do anything...

Size of file in question pictured.

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Last edited by twobob; 03-29-2013 at 08:16 AM.
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Old 03-29-2013, 01:35 PM   #24
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Sorry, the test to invert the screen should have been:
Code:
echo "99 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" >/proc/eink_fb/update_display
echo "18 0" >/proc/eink_fb/update_display
Some other test commands:
Code:
ps auwx | grep contrast
ls -l `find /etc -name *contrast`
ls -l /usr/sbin/contrast
md5sum `find /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink`
Note that I didn't test compatibility with any hotkey launchers. If those aren't able to share access to the keyboard, it might not work.
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Old 03-29-2013, 01:42 PM   #25
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Im not bothered about launchers...
Not short of them...

Hell I might make it voice activated

Will test RSN... bath time.
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Old 03-29-2013, 01:45 PM   #26
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yeah that worked great.

Okay so the launcher doesnt work.

Ill make a kual wrapper then.

Job done.
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Old 03-29-2013, 02:38 PM   #27
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Thanks for the report. Do you have the result of the other test commands? In case someone tries to install the package without KUAL.
Code:
ps auwx | grep contrast
ls -l `find /etc -name *contrast`
ls -l /usr/sbin/contrast
md5sum `find /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink`
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Old 03-29-2013, 03:07 PM   #28
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As requested : )

[root@kindle root]# ps auwx | grep contrast
Code:
root       673  0.0  0.0    644   120 pts/3    R+   19:09   0:00 grep contrast
root      2000  0.0  0.3   1800   384 ?        S    Mar28   0:00 /usr/sbin/contrast


[root@kindle root]# ls -l `find /etc -name *contrast`
Code:
-rwxr-xr-x    1 root     root          442 Mar 22 17:10 /etc/init.d/contrast

lrwxrwxrwx    1 root     root           20 Mar 22 17:10 /etc/rc5.d/S75contrast -> /etc/init.d/contrast

lrwxrwxrwx    1 root     root           20 Mar 22 17:10 /etc/rc6.d/S19contrast -> /etc/init.d/contrast

lrwxrwxrwx    1 root     root           20 Mar 22 17:10 /etc/rcS.d/S75contrast -> /etc/init.d/contrast


[root@kindle root]# ls -l /usr/sbin/contrast
Code:
-rwxr-xr-x    1 root     root        15081 Mar 22 17:10 /usr/sbin/contrast
[root@kindle root]# md5sum `find /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink`
Code:
521147fa7f9eeab65ee0583199371c09  /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink/hal/eink_fb_hal_broads.ko

7d17e40e351cba04c4cf5d512a23d940  /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink/hal/eink_fb_hal.ko

b7cfc9037cececd164972a8495e7ddad  /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink/hal/eink_fb_hal_emu.ko

c118f440e705bdae75501319eaa7d10b  /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink/legacy/eink_fb_shim.ko

Last edited by twobob; 03-29-2013 at 03:11 PM.
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Old 03-29-2013, 03:16 PM   #29
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wait...

It's working...

For sure.

I pressed SHIFT + UP on the 5 way and the contrast swapped from inversion to regular...

Then I repeated the process (just like I would have expected it to work, and per your directions... and now it seems to be working???)

No explanation as to why I'm afraid.

I see the changes now and they are noticeable, as is the little tell-tale flash as the contrast changes..

I wonder why it didn't work before? Could it need "initialising" in some way?
perhaps that why you never noticed, since obviously yours is always in that initialised state?

That's all I can think of.

I'll reboot and try again.
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Old 03-29-2013, 03:26 PM   #30
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rebooted.

Still works.

Why? "I got nothing."

but it works YAY!!! thanks
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