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-rw-r--r--src/mm-iface-modem-cdma.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/mm-iface-modem-cdma.c b/src/mm-iface-modem-cdma.c
index b7f05a19..93307314 100644
--- a/src/mm-iface-modem-cdma.c
+++ b/src/mm-iface-modem-cdma.c
@@ -628,8 +628,16 @@ registration_check_step (RunAllRegistrationChecksContext *ctx)
ctx->step++;
case REGISTRATION_CHECK_STEP_AT_CDMA1X_SERVING_SYSTEM:
- /* Plugins may fully disable querying the serving system, for example if
- * they already know that AT+CSS? will return undesired errors. */
+ /* Now that we have some sort of service, check if the the device is
+ * registered on the network.
+ */
+
+ /* Some devices key the AT+CSS? response off the 1X state, but if the
+ * device has EVDO service but no 1X service, then reading AT+CSS? will
+ * error out too early. Let subclasses that know that their AT+CSS?
+ * response is wrong in this case handle more specific registration
+ * themselves; if they do, they'll set these callbacks to NULL..
+ */
if (MM_IFACE_MODEM_CDMA_GET_INTERFACE (ctx->self)->get_cdma1x_serving_system &&
MM_IFACE_MODEM_CDMA_GET_INTERFACE (ctx->self)->get_cdma1x_serving_system_finish) {
MM_IFACE_MODEM_CDMA_GET_INTERFACE (ctx->self)->get_cdma1x_serving_system (