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Today's Topics:
1. Re: Openmoko Bug #2317: [gta01] no fast charge when booting
with usb cable plugged in (Openmoko Public Trac)
2. Re: Openmoko Bug #2320: icmp ping RTT over wifi plotted over
time forms a sawtooth wave (Openmoko Public Trac)
3. Re: Openmoko Bug #2321: any user can run wmiconfig -i eth0
--power maxperf (Openmoko Public Trac)
--- Begin Message ---
#2317: [gta01] no fast charge when booting with usb cable plugged in
--------------------------------+-------------------------------------------
Reporter: josch | Owner: openmoko-kernel
Type: defect | Status: closed
Priority: normal | Milestone:
Component: System Software | Version: unspecified
Severity: normal | Resolution: invalid
Keywords: | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: |
--------------------------------+-------------------------------------------
Changes (by joerg):
* status: new => closed
* resolution: => invalid
Comment:
pre
precharge seems to be a valid state of PMU charger state machine.
It's a short initial state to test cell status and to ramp up to whatever
charge mode is specified for the "real" charge process.
I assume it is from MBCMOD in register MBCS2 (4Ch), which has
{{{
3:0 mbcmod R main MBC operating modes and charge phases
0000: Play Only mode
0001: USB Precharge phase <<<
0010: USB Precharge Wait phase <<<
0011: USB Fast Charge phase
0100: USB Fast Charge wait phase
0101: USB suspend mode
0110: adapter Precharge phase
0111: adapter Precharge Wait phase
1000: adapter Fast Charge phase
1001: adapter Fast Charge wait phase
1010: Battery Full mode
1011: Halt mode
1100-1111:reserved
}}}
precharge
I don't know if this is somewhat aggregated with MBCC5 (47h)
{{{
7:0 fstchgcur2 R/W fast charge current level in USB Fast Charge phase;
}}}
value, to form the /sys/class/i2c-
adapter/i2c-0/0-0008/pcf50606-mbc/charge_mode state.
Anyway usually it schould switch to normal charging after a short while,
see
PCF50633UM2.00.pdf:
8.12.6.5 Functional description of charger controller
8.12.6.7 Charging phases
8.12.6.8 Precharge phases
>"" Precharging with a constant current continues until the battery
voltage reaches the
conditioned voltage level (Vbatcond). For a Li-Ion battery, Vbatcond is
typically 2.7 V.""
/jOERG
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2317#comment:2>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2320: icmp ping RTT over wifi plotted over time forms a sawtooth wave
------------------------------------+---------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: closed
Priority: normal | Milestone:
Component: System Software | Version: unspecified
Severity: normal | Resolution: wontfix
Keywords: wifi latency kernel | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: always |
------------------------------------+---------------------------------------
Changes (by joerg):
* status: new => closed
* resolution: => wontfix
Comment:
closing, as it seems to be no bug according to billK
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2320#comment:5>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2321: any user can run wmiconfig -i eth0 --power maxperf
-----------------------------+----------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: low | Milestone:
Component: System Software | Version: unspecified
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible:
-----------------------------+----------------------------------------------
Comment(by joerg):
hmm, are there any specs saying it mustn't be changed by non-privileged
users?
Privileges needed for configuration of WiFi is a controversial subject
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2321#comment:1>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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