Hi Timo,
On 01/28/2013 04:13 AM, Timo Mueller wrote:
From: Timo Mueller<[email protected]>
With a call being active, placing a second call on the AG device will
lead to the active call being put on hold. During the transition some
phones do not update the list of current calls. This leads to an +CLCC
response that does not contain the new outgoing call, even though an
outgoing callsetup was reported.
The list will be updated once the active call was put on hold and
callheld=2 is reported. In this case the list has to be requested
again (AT+CLCC).
AT sequence that exhibited the failure (AG device was a Nokia N9
having an active outgoing call and placing a second outgoing call)
Ugh.
<snip>
@@ -1072,6 +1074,14 @@ static void ciev_callheld_notify(struct ofono_voicecall
*vc,
call->status = CALL_STATUS_HELD;
ofono_voicecall_notify(vc, call);
}
+
+ if (callsetup == 2 || callsetup == 3) {
+ dialing = find_dialing(vd->calls);
+
+ if (dialing == NULL)
+ g_at_chat_send(vd->chat, "AT+CLCC",
clcc_prefix,
+ clcc_poll_cb, vc, NULL);
+ }
} else if (callheld == 1) {
if (vd->clcc_source)
g_source_remove(vd->clcc_source);
I'm seeing reports of too many devices doing too many weird things, and
if we change the core logic for each and every one then the code becomes
a huge mess quickly. It would be hard to validate or regression test it
without massive investment in automated interoperability testing.
Marcel and I spoke briefly about this and our belief is that we need to
introduce manufacturer specific quirks to HFP drivers instead of trying
to solve this generically.
BlueZ should be able to provide us enough information about the remote
device for us to make a fairly good guess as to the manufacturer /
version. Additional details can be queried by manufacturer specific
commands (e.g. in the case of iOS). That should be enough for us to
simply set the vendor / quirk ID and take appropriate action in the driver.
We can always fall back to strict spec compliant behavior by default if
the manufacturer quirks cannot be determined. What do you think?
Regards,
-Denis
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