zte: use AT+CFUN=1;+CFUN=4 in enable

Direct +CFUN transition 0 -> 4 gets SIM in inconsistent state.

diff --git a/plugins/zte.c b/plugins/zte.c
index 07f8466..83602eb 100644 (file)
--- a/plugins/zte.c
+++ b/plugins/zte.c
@@ -184,7 +184,8 @@ static int zte_enable(struct ofono_modem *modem)
        g_at_chat_send(data->aux, "ATE0 +CMEE=1", none_prefix,
                                                NULL, NULL, NULL);
 
-       g_at_chat_send(data->aux, "AT+CFUN=4", none_prefix,
+       /* Direct transition 0 -> 4 leaves SIM hosed */
+       g_at_chat_send(data->aux, "AT+CFUN=1;+CFUN=4", none_prefix,
                                        cfun_enable, modem, NULL);
 
        return -EINPROGRESS;