---
plugins/bluetooth.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 70 insertions(+), 0 deletions(-)
diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index 07a73b3..65d7954 100644
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -83,6 +83,8 @@ struct bt_audio {
guint watch;
int mic_gain;
int mic_pending;
+ int sp_gain;
+ int sp_pending;
};
void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
@@ -316,6 +318,37 @@ fail:
};
}
+static void emulator_vgs_cb(struct ofono_emulator *em,
+ struct ofono_emulator_request *req, void *userdata)
+{
+ struct bt_audio *audio = userdata;
+ struct ofono_error result;
+ int val;
+
+ switch (ofono_emulator_request_get_type(req)) {
+ case OFONO_EMULATOR_REQUEST_TYPE_SET:
+ if (!ofono_emulator_request_next_number(req, &val))
+ goto fail;
+
+ if (val < 0 && val > 15)
+ goto fail;
+
+ if (audio->sp_pending != -1)
+ ofono_error("Receiving AT+VGS while processing one");
+
+ audio->sp_pending = val;
+ audio_transport_set_property(audio, "SpeakerGain",
+ DBUS_TYPE_UINT16, &val);
+ break;
+
+ default:
+fail:
+ result.error = 0;
+ result.type = OFONO_ERROR_TYPE_FAILURE;
+ ofono_emulator_send_final(em, &result);
+ };
+}
+
static gboolean audio_property_changed(DBusConnection *connection,
DBusMessage *message, void *user_data)
{
@@ -386,6 +419,41 @@ static gboolean audio_property_changed(DBusConnection
*connection,
} else if (audio->mic_pending == value)
audio->mic_pending = -1;
audio->mic_gain = value;
+ } else if (g_str_equal(property, "SpeakerGain") == TRUE) {
+ DBusMessageIter variant;
+ int value;
+
+ if (!(audio->r_features & HFP_HF_FEATURE_REMOTE_VOLUME_CONTROL))
+ return TRUE;
+
+ if (!dbus_message_iter_next(&iter))
+ return TRUE;
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ return TRUE;
+
+ dbus_message_iter_recurse(&iter, &variant);
+
+ if (dbus_message_iter_get_arg_type(&variant) !=
+ DBUS_TYPE_UINT16)
+ return TRUE;
+
+ dbus_message_iter_get_basic(&variant, &value);
+
+ /* Send unsolicited +VGS only if :
+ * - the value has changed
+ * - and this is not a side effect of AT+VGS
+ * But, if we receive a value change while waiting for another
+ * pending change, we may have to send +VGS for other changes
+ * (multiple AT+VGS received) to keep speaker gain in sync
+ */
+ if (audio->sp_pending != value && audio->sp_gain != value) {
+ sprintf(buf, "+VGS: %d", value);
+ ofono_emulator_send_unsolicited(audio->em, buf);
+ audio->sp_pending = -1;
+ } else if (audio->sp_pending == value)
+ audio->sp_pending = -1;
+ audio->sp_gain = value;
}
return TRUE;
@@ -419,9 +487,11 @@ struct bt_audio *bluetooth_set_audio_management(void *em,
const char *path,
audio->path = g_strdup(path);
audio->r_features = features;
audio->mic_pending = -1;
+ audio->sp_pending = -1;
ofono_emulator_add_handler(em, "+NREC", emulator_nrec_cb, audio, NULL);
ofono_emulator_add_handler(em, "+VGM", emulator_vgm_cb, audio, NULL);
+ ofono_emulator_add_handler(em, "+VGS", emulator_vgs_cb, audio, NULL);
audio->watch = g_dbus_add_signal_watch(connection, NULL, path,
BLUEZ_TRANSPORT_INTERFACE,
--
1.7.1
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