Increase keyboard leds power ? - maemo.org

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Dragoss91	2011-04-29 , 21:24
Posts: 617 \| Thanked: 338 times \| Joined on Mar 2011	#1

Today I installed nitdroid on my n900 and I noticed my keyboard lights was much brighter in nitdoid than in maemo . Anyone knows how chould I make them to illuminate like in nitrdoid ?

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	Erazor	2011-04-30 , 11:17
	Posts: 160 \| Thanked: 33 times \| Joined on May 2010	#2

want this too O.O

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	ossipena	2011-04-30 , 11:24
	Posts: 3,159 \| Thanked: 2,023 times \| Joined on Feb 2008 @ Finland	#3

http://wiki.maemo.org/LED_patterns#N900

that could help.. if it doesn't then you probably need to have knowledge about compiling drivers for led controller...

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	dr_frost_dk	2011-04-30 , 11:48
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#4

you can also try my custom brightness, the simple mod first, it makes the indicator led more bright, maybe also the keypad, i can't tell since i have been using my custom brightness mod and then simple mod since a few weeks after i got my N900

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	Erazor	2011-04-30 , 15:46
	Posts: 160 \| Thanked: 33 times \| Joined on May 2010	#5

changed in the file "led_current" "50" to "100" (im now on 2000.. don't know how much is good for the leds)
in the following dirs

/sys/class/leds/lp5523:kb1#
/sys/class/leds/lp5523:kb2#
/sys/class/leds/lp5523:kb3#
/sys/class/leds/lp5523:kb4#
/sys/class/leds/lp5523:kb5#
/sys/class/leds/lp5523:kb6#

now the keyboard is brighter

edit
after closing and open the N again, the value is 50 again.
But whe are cloooooooooose

Last edited by Erazor; 2011-04-30 at 15:51.

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	dr_frost_dk	2011-04-30 , 15:58
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#6

look to my custom brightness, the init scripts might help you here, it will tell the os to turn the light to a specific level everytime the keypad light comes on

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	Erazor	2011-04-30 , 16:03
	Posts: 160 \| Thanked: 33 times \| Joined on May 2010	#7

Originally Posted by dr_frost_dk

look to my custom brightness, the init scripts might help you here, it will tell the os to turn the light to a specific level everytime the keypad light comes on

can you give me/us a walktrough/how-to-do in this thread?

whould be nice when you make this

Greetz
Erazor

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	dr_frost_dk	2011-04-30 , 16:17
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#8

download the zip, look at init.d and see what you "script" does an change the settings to only use the keypad

REMEMBER: DON'T INSTALL, JUST USE THE INIT & EVENT

event.d

Code:

start on started hildon-desktop
exec /etc/init.d/custom_brightness_init.d

init.d

Code:

#! /bin/sh

cat /home/user/custom_brightness_settings >/sys/class/backlight/acx565akm/brightness
dbus-monitor --system type='signal',interface='com.nokia.mce.signal',member='display_status_ind' | while grep -q '"on"'
do
tide=0
while [ $tide -lt 5 ]
do
tide=$(expr $tide + 1)
done
cat /home/user/custom_brightness_settings >/sys/class/backlight/acx565akm/brightness    
done

Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk

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	Erazor	2011-04-30 , 19:18
	Posts: 160 \| Thanked: 33 times \| Joined on May 2010	#9

copied

"custom_brightness_init.d" to "/etc/init.d/"
and
"custom_brightness_event.d" to "/etc/event.d"

changed "custom_brightness_init.d" to

Code:

#! /bin/sh

dbus-monitor --system type='signal',interface='com.nokia.mce.signal',member='display_status_ind' | while grep -q '"on"'
do
echo "5000" >> /sys/class/leds/lp5523:kb1/led_current
echo "5000" >> /sys/class/leds/lp5523:kb2/led_current
echo "5000" >> /sys/class/leds/lp5523:kb3/led_current
echo "5000" >> /sys/class/leds/lp5523:kb4/led_current
echo "5000" >> /sys/class/leds/lp5523:kb5/led_current
echo "5000" >> /sys/class/leds/lp5523:kb6/led_current
done

is this right?

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	dr_frost_dk	2011-04-30 , 22:33
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#10

i think we need more Geniuses in here to help

by doing

Code:

lshal -m

i can see that the function that controls the keypad leds are 'platform_slide property button.state.value'
Here 'true' is keypad closed (off) and 'false' is keypad open (on)

I don't know how to link this to dbus-monitor, when using dbus-monitor it reacts to open and close but displays the same, of course even if the echo "5000" ... is used when keypad is closed, the leds don't light up.

'Erazor' if you want to try yourself the relevant commands are

Code: