diff --git a/src/mm-generic-cdma.c b/src/mm-generic-cdma.c
index 89f09ffa..1cfa924f 100644
--- a/src/mm-generic-cdma.c
+++ b/src/mm-generic-cdma.c
@@ -500,6 +500,16 @@ get_card_info (MMModem *modem,
 
 /*****************************************************************************/
 
+void
+mm_generic_cdma_update_signal_quality (MMGenericCdma *self, guint32 quality)
+{
+    g_return_if_fail (MM_IS_GENERIC_CDMA (self));
+    g_return_if_fail (quality >= 0 && quality <= 100);
+
+    MM_GENERIC_CDMA_GET_PRIVATE (self)->signal_quality = quality;
+    mm_modem_cdma_emit_signal_quality_changed (MM_MODEM_CDMA (self), quality);
+}
+
 static void
 get_signal_quality_done (MMSerialPort *port,
                          GString *response,
diff --git a/src/mm-generic-cdma.h b/src/mm-generic-cdma.h
index cc19949e..d7b82250 100644
--- a/src/mm-generic-cdma.h
+++ b/src/mm-generic-cdma.h
@@ -63,4 +63,6 @@ void mm_generic_cdma_set_registration_state (MMGenericCdma *self,
 
 MMModemCdmaRegistrationState mm_generic_cdma_get_registration_state_sync (MMGenericCdma *self);
 
+void mm_generic_cdma_update_signal_quality (MMGenericCdma *self, guint32 quality);
+
 #endif /* MM_GENERIC_CDMA_H */