It looks like the logic for this SS is really messed up in some modems.
Network-wise, what I see is:
mako:
test-ss "*31#" -> No line number shown in called phone. Shown status is
"disabled".
test-ss "#31#" -> Line number shown in called phone. Shown status is "enabled".
maguro:
test-ss "*31#" -> Line number shown in called phone. Shown status is "enabled".
test-ss "#31#" -> No line number shown in called phone. Shown status is
"enabled".
In both cases, RIL_REQUEST_SET_CLIR is the same for the same string
(*31# or #31#). SIM card is the same.
RIL_REQUEST_GET_CLIR returns:
mako:
After (test-ss "*31#"): {2,4}
After (test-ss "#31#"): {1,4}
maguro:
After (test-ss "*31#"): {2,3}
After (test-ss "#31#"): {1,4}
The reason for the different status displayed is because of the
interpretation that is done by the second integer in core ofono
call_settings.c:
case CLIR_STATUS_TEMPORARY_RESTRICTED: // 3
if (override == OFONO_CLIR_OPTION_SUPPRESSION) // 2
value = "enabled";
else
value = "disabled";
break;
case CLIR_STATUS_TEMPORARY_ALLOWED: // 4
if (override == OFONO_CLIR_OPTION_INVOCATION) // 1
value = "enabled";
else
value = "disabled";
break;
The values returned by maguro do not really match this.
To complicate things more, ofono core uses inverse logic when
activating/deactivating this SS. For control type
SS_CONTROL_TYPE_ACTIVATION, it calls
clir_set(OFONO_CLIR_OPTION_SUPPRESSION), and for
SS_CONTROL_TYPE_DEACTIVATION it calls
clir_set(OFONO_CLIR_OPTION_INVOCATION). I do not think this is right,
but it certainly matches maguro's behaviour, but not mako's (that is the
reason for having the # command activating the SS instead of the *
command, which seems to be the right thing looking at the standards).
So, my conclusion is that not all modems behave the right way regarding
this SS and somewhat the messy ofono core code proves this. To get this
right in both mako and maguro, we need different implementations, or
detect the modem type and behave accordingly.
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https://bugs.launchpad.net/bugs/1263229
Title:
[maguro] Query CLIR SS returns unexpected values
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