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romaxin is offline romaxin
2008-02-06 , 17:22
Posts: 6 | Thanked: 0 times | Joined on Feb 2008
#11
Hi,

Thanks for all you responses. That particular one seem to work for me:

Originally Posted by fanoush View Post
yes, blset works (in OS2006-8) but you need modified kernel. For N8x0 running OS2008 check the adv-backlight project. Or (in OS2008) you can also run directly
Code:
chroot /mnt/initfs dsmetest -l <1-255>
such level x writes to
/sys/devices/platform/omapfb/panel/backlight_level something similar to (x-1)/2 so 3 becomes 1 and 255 becomes 127
So now I am able to control the backlight from the console. But I still have the annoying dimming effect: when changing the backlight, the transition is not done instantaneously, there is a dimming effect that I would like to get rid of. Any ideas for this?

Thanks again!
 
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Benson is offline Benson
2008-02-06 , 17:34
Posts: 4,930 | Thanked: 2,272 times | Joined on Oct 2007
#12
Originally Posted by fanoush View Post
yes because (x-1)/2 for x=1,2 is 0
with N810 (unlike N800) the display is readable even with brightness 0
Oh, I forgot that new screen is transflective! You N810 people with your #@$% shiny new screens...
Still, perhaps my comment will help some poor N800 user who stumbles onto the wrong forum looking for answers.
 
romaxin is offline romaxin
2008-02-06 , 18:00
Posts: 6 | Thanked: 0 times | Joined on Feb 2008
#13
Originally Posted by fanoush View Post
yes, blset works (in OS2006-8) but you need modified kernel. For N8x0 running OS2008 check the adv-backlight project. Or (in OS2008) you can also run directly
Code:
chroot /mnt/initfs dsmetest -l <1-255>
such level x writes to
/sys/devices/platform/omapfb/panel/backlight_level something similar to (x-1)/2 so 3 becomes 1 and 255 becomes 127
Hi again,

I am thinking on using fanoush's kernel but I don't know how to put it in my N810 and where I can get it. Is there any way to restore the original kernel if I brick my N810 (I am newby

Thanks!!
 
fanoush is offline fanoush
2008-02-06 , 18:24
Posts: 2,152 | Thanked: 1,490 times | Joined on Jan 2006 @ Czech Republic
#14
kernel is linked here http://fanoush.wz.cz/maemo/#backlight and there is also kernel flasher if you want to flash directly from device

if device does not boot you need to use nokia flasher for linux, extract kernel from firmware image and flash it over usb
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romaxin is offline romaxin
2008-02-06 , 19:10
Posts: 6 | Thanked: 0 times | Joined on Feb 2008
#15
Thank you Fanoush. I will download everything and try it out. I hope to get rid of the dimming effect soon!
 
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munky261 is offline munky261
2008-02-06 , 20:04
Posts: 1,674 | Thanked: 171 times | Joined on Mar 2007 @ Anderson, IN
#16
fanoush , regarding your post about disabling the light sensor , can you give me instructions on how to do that , im tired of my screen dimming , i like my screen to be full brightness always
 
fanoush is offline fanoush
2008-02-06 , 20:29
Posts: 2,152 | Thanked: 1,490 times | Joined on Jan 2006 @ Czech Republic
#17
change line 14 of /etc/mce/mce.ini from
Code:
Modules=homekey;filter-brightness-als;inactivity;camera;alarm
to be
Code:
Modules=homekey;inactivity;camera;alarm
and reboot. This is what I tried and it works. Someone also suggested to rename
/usr/lib/mce/modules/libfilter-brightness-als.so
which is supposed to have same effect (haven't tried myself). So if you can't edit text files you can run as root
Code:
mv /usr/lib/mce/modules/libfilter-brightness-als.so /usr/lib/mce/modules/libfilter-brightness-als.so.notused
and reboot tablet.
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Last edited by fanoush; 2008-02-07 at 07:06. Reason: line14 not 8
 
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dubwise is offline dubwise
2008-02-07 , 00:08
Posts: 239 | Thanked: 53 times | Joined on Jan 2008 @ Massachusetts
#18
Or you can put a little gaff tape over the sensor.
Worked for me.
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romaxin is offline romaxin
2008-02-07 , 16:15
Posts: 6 | Thanked: 0 times | Joined on Feb 2008
#19
Originally Posted by romaxin View Post
Hi again,

I am thinking on using fanoush's kernel but I don't know how to put it in my N810 and where I can get it. Is there any way to restore the original kernel if I brick my N810 (I am newby

Thanks!!
I went ahead and flashed Fanoush's kernel. Now I have FULL backlight control! No more fade in/out effect, just a sharp backlight change, just what I was looking for. Many thanks to all you of you and specially to Fanoush for his mod kernel
 
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