USB: RTS/DTR signal patch for airprime driver

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I encountered some problems with the airprime driver in use with a Novatel
Merlin XU870:

Closing an open Connection to e.g. /dev/ttyUSB0 doesn't reset the
RTS/DTR lines of the Modem.  Consequently, when I use minicom to
establish a connection by "ATD*99#" the modem doesn't hang up even if i
exit minicom and so I cannot reuse the modem unless I remove it and plug
it in again.

With the attached patch, the RTS/DTR lines are resetted on a close.  The
code was mainly taken from the option.c driver.

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This commit is contained in:

Martin Schiller 2007-03-01 13:49:48 +01:00 • committed by Greg Kroah-Hartman

parent 12bdbe03c8

commit cf0cb1ae02

1 changed files with 47 additions and 0 deletions

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47

drivers/usb/serial/airprime.c

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