[RFC BlueZ v2 20/27] audio/hfp-hf: Add operator name support

["Frédéric Danis" <frederic.danis@collabora.com>]

This adds the AT+COPS command.
---
 profiles/audio/hfp-hf.c | 48 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

diff --git a/profiles/audio/hfp-hf.c b/profiles/audio/hfp-hf.c
index b49d40a43..ebe87d8db 100644
--- a/profiles/audio/hfp-hf.c
+++ b/profiles/audio/hfp-hf.c
@@ -107,6 +107,8 @@
 				HFP_HF_FEAT_ENHANCED_CALL_STATUS |\
 				HFP_HF_FEAT_ESCO_S4_T2)
 
+#define MAX_OPERATOR_NAME_LEN 17
+
 enum hfp_indicator {
 	HFP_INDICATOR_SERVICE = 0,
 	HFP_INDICATOR_CALL,
@@ -354,6 +356,49 @@ static void ciev_cb(struct hfp_context *context, void *user_data)
 	}
 }
 
+static void cops_cb(struct hfp_context *context, void *user_data)
+{
+	struct hfp_device *dev = user_data;
+	unsigned int format;
+	char name[MAX_OPERATOR_NAME_LEN];
+
+	DBG("");
+
+	/* Not interested in mode */
+	hfp_context_skip_field(context);
+
+	if (!hfp_context_get_number(context, &format))
+		return;
+
+	if (format != 0) {
+		warn("hf-client: Not correct string format in +COPS");
+		return;
+	}
+
+	if (!hfp_context_get_string(context, name, MAX_OPERATOR_NAME_LEN)) {
+		error("hf-client: incorrect +COPS response");
+		return;
+	}
+
+	telephony_set_operator_name(dev->telephony, name);
+}
+
+static void cops_resp(enum hfp_result result, enum hfp_error cme_err,
+							void *user_data)
+{
+	struct hfp_device *dev = user_data;
+
+	DBG("");
+
+	if (result != HFP_RESULT_OK) {
+		error("hf-client: COPS error: %d", result);
+		return;
+	}
+
+	if (!hfp_hf_send_command(dev->hf, cmd_complete_cb, dev, "AT+COPS?"))
+		info("hf-client: Could not send AT+COPS?");
+}
+
 static void slc_completed(struct hfp_device *dev)
 {
 	int i;
@@ -376,8 +421,9 @@ static void slc_completed(struct hfp_device *dev)
 	/* TODO: register unsolicited results handlers */
 
 	hfp_hf_register(dev->hf, ciev_cb, "+CIEV", dev, NULL);
+	hfp_hf_register(dev->hf, cops_cb, "+COPS", dev, NULL);
 
-	if (!hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+COPS=3,0"))
+	if (!hfp_hf_send_command(dev->hf, cops_resp, dev, "AT+COPS=3,0"))
 		info("hf-client: Could not send AT+COPS=3,0");
 }
 
-- 
2.43.0