[pulseaudio-discuss] [PATCH] bluetooth: set gain correctly

[Wim Taymans]

Send the right command to set the speaker and microphone gain.

Note that setting the volume on the Headset should use the unsolicited
result code. Receiving the volume from the Headset uses the AT
command.
---
 src/modules/bluetooth/backend-native.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/modules/bluetooth/backend-native.c b/src/modules/bluetooth/backend-native.c
index 86af422..8407672 100644
--- a/src/modules/bluetooth/backend-native.c
+++ b/src/modules/bluetooth/backend-native.c
@@ -285,8 +285,8 @@ static void set_speaker_gain(pa_bluetooth_transport *t, uint16_t gain) {
 
     t->speaker_gain = gain;
 
-    len = sprintf(buf, "AT+VGS=%d\r", gain);
-    pa_log_debug("RFCOMM >> AT+VGS=%d", gain);
+    len = sprintf(buf, "\r\n+VGS=%d\r\n", gain);
+    pa_log_debug("RFCOMM >> +VGS=%d", gain);
 
     written = write(trfc->rfcomm_fd, buf, len);
 
@@ -304,8 +304,8 @@ static void set_microphone_gain(pa_bluetooth_transport *t, uint16_t gain) {
 
     t->microphone_gain = gain;
 
-    len = sprintf(buf, "AT+VGM=%d\r", gain);
-    pa_log_debug("RFCOMM >> AT+VGM=%d", gain);
+    len = sprintf(buf, "\r\n+VGM=%d\r\n", gain);
+    pa_log_debug("RFCOMM >> +VGM=%d", gain);
 
     written = write (trfc->rfcomm_fd, buf, len);
 
-- 
1.9.3