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If the modem sends the same notification on more than one port,
make sure we don't send a signal out to clients more than once.
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Other devices from the same vendor (x220) need to be handled by
the x22x plugin, so Longcheer can't just rely on the vendor ID
match to know whether it should handle the modem.
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Like the SGH-Z810/SCH-U209 which are a different chipset, don't
have pseudo-ethernet ports, and just wouldn't work with this
plugin.
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It was being used in several places with different static implementations
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Location API is always built
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This reverts commit 0299cf51c4cf587f79771fe219c6154bf0d0139e.
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This reverts commit ba17060219f34b5bb8dbb965be9a5f224955777a.
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Since translations are only used with polkit.
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Long ago there were problems where certain Huawei devices would
stop responding on various ports, and sometimes would crash
randomly. The theory at the time was that touching the secondary
ports made the device angry, thus the plugin simply opened the
ports and listened for unsolicited messages. But if the device
didn't send any during that 7 second period, MM would not detect
and secondary ports at all. Plus, it was always a hack.
Instead, the new theory is that the device crashes if unsolicited
messages are enabled (^CURC=1), the secondary port gets touched,
*and* then closed and left for a while. Fix that by turning
unsolicited messages off at probe time, on when the device is
enabled, and off again when the device is disabled like happens
for other modems. Thus when MM first detects the modem, it turns
off unsolicited messages and the serial buffer on the secondary
port doesn't fill up and crash the modem.
Second, this allows us to simplify the probing logic quite a bit
so that we can probe all ports we find, but we still wait to probe
the first port so we can turn off unsolicited messages and get
hints about what port is the secondary.
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Huawei will need this.
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Instead of having two places that custom init stuff got processed
(a hook in the MMPluginBase class itself and a callback too) just
use a callback, and simplify it somewhat so that the plugin tracks
how many tries it cares about and what to do based on the response
or error.
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Port the differences over to the common Icera code (there were only
two) and remove the duplicate code from the Samsung plugin. The
Icera NWSTATE regex had to be adjusted to capture "-1" in the first
element which wasn't handled before but which I've seen on the
Samsung Y3300 before the card has registered.
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The GInterface structure for MMModemIcera isn't instance data, thus we
shouldn't be storing an instance pointer in it. Instead, make implemtors
store the intstance data in their private structure, and have them
implement an accessor for the Icera-private data. This makes everone
(especially GObject) happy. It's a bit of additional indirection, but
we still get to use the MM_MODEM_ICERA_GET_PRIVATE() and we still
get to cast the passed-in GInterface MMModemIcera into the various
GSM MMModem subclasses, which is all we ever wanted anyway.
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Make sure all pending work, if any, is torn down when closing
the port, since it's closed, and is likely going to get unreffed
soon and we don't want anything running after the port is dead.
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If the modem for some reason returns ERROR for a +CPIN when it's
unlocked, and subsequent PIN post-unlock pin checks return READY,
just treat the modem as unlocked don't return the +CPIN error.
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Change interface to take the number of GSM characters
rather than the number of octets, so that it is possible to
distinguish the 7-character and 8-character cases.
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Since we don't allow properties to be passed into the serial port
create routines we don't want a construct-only property here.
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It's only used during probing where some port types (Sierra CnS
and some Icera devices) may send streams of data that we can't
understand until we close the port. It interferes with some SMS
operations, so turn it off for ports opened after probing.
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Use AT+WMBS for devices in 2G mode, and AT+WUBS for devices in 3G mode.
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Check the current functionality status with AT+CFUN? and make sure its '1',
otherwise, RF may be switched off.
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For 3G devices in Class A, AT+WWSM can be used to get or set the allowed mode:
* +WWSM: 0 (2G only)
* +WWSM: 1 (3G only)
* +WWSM: 2,0 (Any)
* +WWSM: 2,1 (2G preferred)
* +WWSM: 2,2 (3G preferred)
For 2G devices, there is no such command, so we will default to Any and allow
2G-only and 2G-preferred setups.
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These modems can be configured to use different mobile classes. For each kind of
modem, the best mobile class is the highest one in the following order:
- Class A (3G only mode)
- Class B (PS or CS, GPRS/EDGE or GSM)
- Class CG (PS only, GPRS/EDGE)
- Class CC (CS only, GSM)
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Let modems we know don't suck use a zero send-delay at probe time,
which greatly reduces time required to probe AT-compatible ports.
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Otherwise we don't get the expected "Incorrect password" error if the
PIN is wrong, just a generic error.
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Avoids additional USB latency and groups the whole command into one
USB packet.
BUG=chromium-os:13506
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