Add support for current call list query

Support for the AT+CLCC command and the +CLCC:... unsolicited result
code.

3 files changed, 44 insertions, 0 deletions

diff --git a/audio/headset.c b/audio/headset.c
index 40cd23f5..2fce7b8c 100644
--- a/audio/headset.c
+++ b/audio/headset.c
@@ -848,6 +848,18 @@ static int subscriber_number(struct audio_device *device, const char *buf)
 	return 0;
 }
 
+int telephony_list_current_calls_rsp(void *telephony_device, cme_error_t err)
+{
+	return telephony_generic_rsp(telephony_device, err);
+}
+
+static int list_current_calls(struct audio_device *device, const char *buf)
+{
+	telephony_list_current_calls_req(device);
+
+	return 0;
+}
+
 static struct event event_callbacks[] = {
 	{ "ATA", answer_call },
 	{ "ATD", dial_number },
@@ -863,6 +875,7 @@ static struct event event_callbacks[] = {
 	{ "AT+BLDN", last_dialed_number },
 	{ "AT+VTS", dtmf_tone },
 	{ "AT+CNUM", subscriber_number },
+	{ "AT+CLCC", list_current_calls },
 	{ 0 }
 };
 
@@ -2175,3 +2188,23 @@ int telephony_ready_ind(uint32_t features,
 
 	return 0;
 }
+
+int telephony_list_current_call_ind(int idx, int dir, int status, int mode,
+					int mprty, const char *number,
+					int type)
+{
+	if (!active_devices)
+		return -ENODEV;
+
+	if (number)
+		send_foreach_headset(active_devices,
+					"\r\n+CLCC:%d,%d,%d,%d,%d,%s,%d\r\n",
+					idx, dir, status, mode, mprty,
+					number, type);
+	else
+		send_foreach_headset(active_devices,
+					"\r\n+CLCC:%d,%d,%d,%d,%d\r\n",
+					idx, dir, status, mode, mprty);
+
+	return 0;
+}
diff --git a/audio/telephony-dummy.c b/audio/telephony-dummy.c
index 7fd75cc4..5c3d4db8 100644
--- a/audio/telephony-dummy.c
+++ b/audio/telephony-dummy.c
@@ -138,6 +138,12 @@ void telephony_subscriber_number_req(void *telephony_device)
 	telephony_subscriber_number_rsp(telephony_device, CME_ERROR_NONE);
 }
 
+int telephony_list_current_calls_req(void *telephony_device)
+{
+	debug("telephony-dummy: list current calls request");
+	telephony_list_current_calls_rsp(telephony_device, CME_ERROR_NONE);
+}
+
 /* D-Bus method handlers */
 static DBusMessage *outgoing_call(DBusConnection *conn, DBusMessage *msg,
 					void *data)
diff --git a/audio/telephony.h b/audio/telephony.h
index 72608dc5..2581b00f 100644
--- a/audio/telephony.h
+++ b/audio/telephony.h
@@ -114,6 +114,7 @@ void telephony_answer_call_req(void *telephony_device);
 void telephony_dial_number_req(void *telephony_device, const char *number);
 void telephony_transmit_dtmf_req(void *telephony_device, char tone);
 void telephony_subscriber_number_req(void *telephony_device);
+int telephony_list_current_calls_req(void *telephony_device);
 
 /* AG responses to HF requests. These are implemented by headset.c */
 int telephony_event_reporting_rsp(void *telephony_device, cme_error_t err);
@@ -124,6 +125,7 @@ int telephony_answer_call_rsp(void *telephony_device, cme_error_t err);
 int telephony_dial_number_rsp(void *telephony_device, cme_error_t err);
 int telephony_transmit_dtmf_rsp(void *telephony_device, cme_error_t err);
 int telephony_subscriber_number_rsp(void *telephony_device, cme_error_t err);
+int telephony_list_current_calls_rsp(void *telephony_device, cme_error_t err);
 
 /* Event indications by AG. These are implemented by headset.c */
 int telephony_event_ind(int index);
@@ -132,6 +134,9 @@ int telephony_incoming_call_ind(const char *number, int type);
 int telephony_calling_stopped_ind(void);
 int telephony_ready_ind(uint32_t features, const struct indicator *indicators,
 			int rh);
+int telephony_list_current_call_ind(int idx, int dir, int status, int mode,
+					int mprty, const char *number,
+					int type);
 
 /* Helper function for quick indicator updates */
 static inline int telephony_update_indicator(struct indicator *indicators,