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Today's Topics:
1. Re: Openmoko Bug #2349: Too high power consumption in 2.6.32
(Openmoko Public Trac)
2. Re: Openmoko Bug #2349: Too high power consumption in 2.6.32
(Openmoko Public Trac)
3. Re: Openmoko Bug #2349: Too high power consumption in 2.6.32
(Openmoko Public Trac)
--- Begin Message ---
#2349: Too high power consumption in 2.6.32
----------------------+-----------------------------------------------------
Reporter: Q-Master | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version:
Severity: major | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
----------------------+-----------------------------------------------------
Comment(by gena2x):
I did measurements with multimeter, and found following.
First, i measured qtmoko on nand:
fully loaded qtmoko = 220mA
qtmoko sleeps without deepsleep enabled = 32mA
qtmoko sleeps with deepsleep enabled = 9-18mA
on om-gta02-34, the power consumption with loaded X is 250mA
on om-gta02-34, in suspend, it is 100mA
some additional info: both u-boots draw 350mA while in menu -> strange.
additionally i found that i can't do GSM calls in multimeter configuration
in qtmoko.
additionally i found that if i disconnect usb power supply, i can't
register to gsm network in multimeter configuration (and can with adding
usb power supply), both reliable.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2349#comment:2>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2349: Too high power consumption in 2.6.32
----------------------+-----------------------------------------------------
Reporter: Q-Master | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version:
Severity: major | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
----------------------+-----------------------------------------------------
Comment(by gena2x):
It turned out that gsm and gps devices are powered up, but not considered
powered up somehow.
To shut em down, i have to do:
cd /sys/bus/platform/devices
echo 1 > gta02-pm-gsm.0/power_on
echo 0 > gta02-pm-gsm.0/power_on
echo 1 > gta02-pm-gps.0/power_on
echo 0 > gta02-pm-gps.0/power_on
after this manipulation, i have 20mA suspend current.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2349#comment:3>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2349: Too high power consumption in 2.6.32
----------------------+-----------------------------------------------------
Reporter: Q-Master | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version:
Severity: major | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
----------------------+-----------------------------------------------------
Comment(by lindi):
Ok but 20 mA is still way too much. I get 3 mA under 2.6.29 when all extra
devices are off.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2349#comment:4>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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