From c331da9e604a4ed9df714bf64837fba68b2c8bc2 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Mon, 23 Nov 2015 22:42:03 +0100
Subject: [PATCH] hfp: add voice recognition on/off commands. start audio
 connection if needed

---
 src/hfp_ag.c           |  6 +++++-
 test/pts/hfp_ag_test.c | 11 +++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/hfp_ag.c b/src/hfp_ag.c
index 6470c8919..d30c0c62a 100644
--- a/src/hfp_ag.c
+++ b/src/hfp_ag.c
@@ -399,7 +399,7 @@ static int hfp_ag_cmd_suggest_codec(uint16_t cid, uint8_t codec){
 
 static int hfp_ag_activate_voice_recognition_cmd(uint16_t cid, uint8_t activate_voice_recognition){
     char buffer[30];
-    sprintf(buffer, "\r\n%s:%d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate_voice_recognition);
+    sprintf(buffer, "\r\n%s: %d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate_voice_recognition);
     return send_str_over_rfcomm(cid, buffer);
 }
 
@@ -1679,6 +1679,10 @@ void hfp_ag_activate_voice_recognition(bd_addr_t bd_addr, int activate){
     hfp_connection_t * connection = get_hfp_connection_context_for_bd_addr(bd_addr);
     if (connection->ag_activate_voice_recognition == activate) return;
 
+    if (activate){
+        hfp_ag_establish_audio_connection(bd_addr);
+    }
+
     connection->ag_activate_voice_recognition = activate;
     connection->command = HFP_CMD_AG_ACTIVATE_VOICE_RECOGNITION;
     hfp_run_for_context(connection);
diff --git a/test/pts/hfp_ag_test.c b/test/pts/hfp_ag_test.c
index 3085746c1..4dc495e0f 100644
--- a/test/pts/hfp_ag_test.c
+++ b/test/pts/hfp_ag_test.c
@@ -152,6 +152,9 @@ static void show_usage(void){
     printf("m - simulate incoming call from 7654321\n");
     // printf("M - simulate call from 7654321 dropped\n");
 
+    printf("n - Disable Voice Regocnition\n");
+    printf("N - Enable Voice Recognition\n");
+
     printf("t - terminate connection\n");
 
     printf("---\n");
@@ -270,6 +273,14 @@ static int stdin_process(struct data_source *ds){
             printf("Last dialed number set\n");
             last_number_exists = 1;
             break;
+        case 'n':
+            printf("Disable Voice Recognition\n");
+            hfp_ag_activate_voice_recognition(device_addr, 0);
+            break;
+        case 'N':
+            printf("Enable Voice Recognition\n");
+            hfp_ag_activate_voice_recognition(device_addr, 1);
+            break;
         case 'R':
             printf("Enable in-band ring tone\n");
             hfp_ag_set_use_in_band_ring_tone(1);