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carbonjha's Avatar
carbonjha is offline carbonjha
2011-08-14 , 20:22
Posts: 83 | Thanked: 71 times | Joined on Jul 2011 @ Dhaka
#1
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I have used Sony Ericsson Xperia x1i. its OS was WP 6.1. it has different power profile for display brightness. On charger and on battery display brightness would change like in the laptop. I bought my N900 one & six months before. I have wanted this option in my superb awesome device. There is a enhancement request for Power Management Profiles.
https://bugs.maemo.org/show_bug.cgi?id=1046

I have done something like it with dbus script. To get the power supply information i used "com.nokia.bme.signal" with these triggers
1. charger_connected
2. charger_charging_on
3. charger_disconnected
4. charger_charging_off

dbus-scripts-settings-power-profile
Code:
#:display brightness 255
/opt/scripts/on_AC.sh * * com.nokia.bme.signal charger_connected

#:display brightness 255
/opt/scripts/on_AC.sh * * com.nokia.bme.signal charger_charging_on

#:display brightness 25
/opt/scripts/on_battery.sh * * com.nokia.bme.signal charger_disconnected

#:display brightness 25
/opt/scripts/on_battery.sh * * com.nokia.bme.signal charger_charging_off
I put the "dbus-scripts-settings-power-profile" in /etc/dbus-scripts.d/ and created two sh file in /opt/scripts

on_AC.sh
Code:
echo 255 > /sys/class/backlight/acx565akm/brightness
on_battery.sh
Code:
echo 25 > /sys/class/backlight/acx565akm/brightness
Restarted the phone & everything works just fine. connected the charger display brightness goes high then disconnected the charger and the display gets dimmed. But there is something wrong because while connected to the charger i lock the device and then unlock it but the brightness didnt get increased but gets the value from "display settings". I tried again & again but always the same result.

some useful links
"acmonitor" http://people.xiph.org/~tterribe/pro...html#acmonitor
http://talk.maemo.org/showthread.php?t=19258

The "acmonitor" is very good one but there is no version for N900. The source code is given in the site.

EDIT: The acmonitor works nicely on fremantle. I have tested it myself. Download it and install it.
Attached Files
File Type: deb acmonitor_0.1_armel.deb (7.9 KB, 94 views)
Last edited by carbonjha; 2011-11-18 at 18:22.
 

The Following 2 Users Say Thank You to carbonjha For This Useful Post:
mesho123 is offline mesho123
2011-08-14 , 22:27
Posts: 147 | Thanked: 7 times | Joined on Aug 2010
#2
I fallowing your post and i want to install this script and i really hope to find the solution for your problem


please when it's ready to download change the topic of this thread .


thank you
 
blue_led is offline blue_led
2011-08-14 , 23:00
Posts: 306 | Thanked: 566 times | Joined on Jan 2010 @ Romania
#3
mce always update display brightness after unlock event
Last edited by blue_led; 2011-08-14 at 23:08.
 

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dr_frost_dk's Avatar
dr_frost_dk is offline dr_frost_dk
2011-08-14 , 23:12
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#4
You can take a peak at my custom brightness, maybe there is something you can use, it sets the brightness when screen is "on" from "off"
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asys3 is offline asys3
2011-08-15 , 03:59
Posts: 101 | Thanked: 54 times | Joined on Jul 2007
#5
I use
Code:
gconftool-2 -s /system/osso/dsm/display/display_brightness -t int number
for setting brightness to number=5(high) down to 1(low) durably.

There are more levels of brightness available via kernel parameters, as you posted above, but that seems not be durable.

Regards,
asys3
 

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carbonjha's Avatar
carbonjha is offline carbonjha
2011-11-18 , 17:34
Posts: 83 | Thanked: 71 times | Joined on Jul 2011 @ Dhaka
#6
just download this acmonitor and install it with app manager.
works nicely on fremantle.

original thread http://people.xiph.org/~tterribe/pro...html#acmonitor

TMO thread http://talk.maemo.org/showthread.php?p=1125589
 
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