Messages in this thread | | | Subject | Re: [RFC DO NOT MERGE] tty: n_gsm: support buggy modem | From | Alan Cox <> | Date | Tue, 07 Jan 2014 16:51:37 +0000 |
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> > modem status command, but this DV bit is not set. With this patch the modem > > and the whole mux is working fine. Another way makeing all this work is > > setting the carrier_raised function to NULL. The tty code assumes that > > everything is alright then.
Which means your modem has decided it doesn't yet have a carrier. Do you get a carrier after ATD completes with a CONNECTED message ?
(you can open with O_NDELAY to avoid blocking on the open)
Alan
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