stop USB charging

jing gargamel.su-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Wed Mar 4 16:16:38 UTC 2009


Hi,

Does anyone know how to turn off device charging via USB but still
keep the connection alive?  My Google-foo fails me.  Is there some
file in /sys that can turn off USB device charging?  When traveling I
like to tether my iPhone over USB for Internet connectivity.  But the
phone insists on charging itself, which puts a huge drain on my
laptop.

Thanks,
-Jing
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