[PATCH 3/4] SIMCOM SIM card ready quirk

[Anthony Viallard <viallard@syscom-instruments.com>]

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Add a quirk for waiting SIM availability.

SIM is busy right after pin is entered. Use the quirk which
add a CPIN? pooling check until having "CPIN: READY" answer.

diff -pruN ofono-1.12.orig/drivers/atmodem/sim.c ofono-1.12/drivers/atmodem/sim.c
--- ofono-1.12.orig/drivers/atmodem/sim.c	2013-01-23 11:38:22.959609087 +0100
+++ ofono-1.12/drivers/atmodem/sim.c	2013-01-23 11:57:52.602608948 +0100
@@ -1023,12 +1023,18 @@ static void at_pin_send_cb(gboolean ok,
 							FALSE, cbd, g_free);
 		return;
 	case OFONO_VENDOR_ZTE:
 	case OFONO_VENDOR_ALCATEL:
 	case OFONO_VENDOR_HUAWEI:
+	case OFONO_VENDOR_SIMCOM:
 		/*
 		 * On ZTE modems, after pin is entered, SIM state is checked
 		 * by polling CPIN as their modem doesn't provide unsolicited
 		 * notification of SIM readiness.
+		 *
+		 * On SIMCOM modems, SIM is busy after pin is entered (we've
+		 * got an "+CME ERROR: 14" at "AT+CPIN?" request) and ofono
+		 * don't catch the "+CPIN: READY" message sent by the modem
+		 * when SIM is ready. So, use extra CPIN to check the state.
 		 */
 		sd->sim_state_query = at_util_sim_state_query_new(sd->chat,
 						2, 20, sim_state_cb, cbd,