Re: Does Linux USB enumeration lock up Motorola cell phones?

On 01/15/2011 12:45 AM, Robert Riches wrote:
Does plugging a Motorola cell phone into a Linux machine's USB
port cause the phone to lock up? Is there some reasonable way to
charge a cell phone from a powered-up Linux machine?

My Tracfone Motorola W260 (razor?) phone was low on battery, so I
tried plugging it in through an adapter cable on my Mandriva
2010.0 system. /var/log/messages said the phone enumerated as
vendor 0451, product d004, Mfg 1, Prod 2, Serial 0, LOCOSTO,
manufacturer TI.

However, the phone completely locked up. Even switching back to
the wall wart charger, the display was completely blank and the
"charging" LED never came on. Tracfone tech support had me
remove and reinstall the battery. (I didn't tell her I had
plugged it into a Linux machine.) That returned the phone to
normal operation. It's charging off the wall wart.

Google says Motorola has Windows drivers that are needed in order
to charge a cell phone via USB.

It would surely be nice if a cell phone could be charged off a
computer that is left running for long periods (or 24x7x365.25)
rather than needing a wall wart occupying a power outlet
position, etc.



My Verizon locked-down e815 requires a Motorola-branded charger
connected to the USB and won't charge from anything else.
I assume its a way to make you pay for true Motorola parts.
.

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