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| ilew | sicelo: Fair point. Sorry should've added that bit. | 10:33 |
|---|---|---|
| ilew | merlin1991: With help from pali, with the newest ke-recv when the phone is rebooted the usb state is PC-suite mode. I don't know if it forgets it's previous state or there's a new default. | 10:37 |
| ilew | This means that when you plug the phone into a PC and you don't select a mode. The phone says it's charging but bq27200.sh reports the phone as discharging. | 10:40 |
| ilew | To fix it you have to select 'Mass storage mode' and then replug it into the pc. Then it charges fine until the next boot. | 10:42 |
| ilew | I'm not sure if pali found anything further. | 10:44 |
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| merlin1991 | thanks for the explanation, I'll give it a test on my device and then adapt the repo | 13:36 |
| merlin1991 | or rather will adapt the repo now | 13:37 |
| merlin1991 | done | 13:40 |
| sicelo | i can confirm that! only seen it once (i don't use USB to PC much, if at all) | 13:47 |
| sicelo | but a few days ago, i set up usb networking on my N900, and N900 never charged. i thought the problem was on the laptop, but i see now | 13:48 |
| sicelo | i'm happy to hear about the workaround in the meantime | 14:01 |
| DocScrutinizer05 | (charging) that's pretty odd, charging should be unrelated to any USB data mode | 16:31 |
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| DocScrutinizer05 | I don't understand how it interferes at all | 16:40 |
| DocScrutinizer05 | flaw in concept | 16:41 |
| sicelo | i didn't think that was the problem at all - blamed my laptop's USB ports for not charging. | 16:41 |
| DocScrutinizer05 | the only USB mode interfering with charging is hostmode | 16:41 |
| sicelo | it's a bug/regression in that version of ke-recv ... for example stock device has no issue | 16:42 |
| DocScrutinizer05 | and for hostmode there are exactly two triggers: ID pin grounded, or via software/GUI andn user interaction | 16:42 |
| DocScrutinizer05 | sicelo: for the PC it's also irrelevant if the device is in mass stoare mode, or "PC suite" mode, or simply "just charging" | 16:44 |
| DocScrutinizer05 | if anything is relevant for PC then that's power negotiation during USB ENUM | 16:45 |
| DocScrutinizer05 | and most PCs simply don't care | 16:45 |
| sicelo | reason i blamed my ports - the usb cardbus card is temperamental ... sometimes i have to suspend the laptop first before usb device enumerates | 16:46 |
| DocScrutinizer05 | there are fast charger ports on USB hubs and some PCs, they have additional modes | 16:46 |
| sicelo | and all onboard ports are dead (Thinkpad X40 - known issue) | 16:46 |
| DocScrutinizer05 | ouch | 16:46 |
| DocScrutinizer05 | >>The phone says it's charging but bq27200.sh reports the phone as discharging.<< might mean USB ENUM negotiated only 100mA but the device needs >100mA for operation, so it drains battery (bq27k reports "discharging") despite technically the device is charging from a USB point of view | 16:48 |
| DocScrutinizer05 | stock maemo popped up a warning notifier in such situation, with "The USB power is not sufficient" or words to the effect | 16:49 |
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| DocScrutinizer05 | >>The phone says it's charging but bq27200.sh reports the phone as discharging.<< needs some correction: bq27200.sh only checks *battery* status, not phone status. See above | 18:29 |
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