static DBusHandlerResult handle_get_volume_state(
DBusConnection *conn,
DBusMessage *message,
void *arg)
{
DBusMessage *reply;
dbus_uint32_t serial = 0;
dbus_int32_t volume;
dbus_bool_t system_muted;
dbus_bool_t user_muted;
dbus_int32_t capture_gain;
dbus_bool_t capture_muted;
reply = dbus_message_new_method_return(message);
volume = cras_system_get_volume();
system_muted = cras_system_get_system_mute();
user_muted = cras_system_get_user_mute();
capture_gain = cras_system_get_capture_gain();
capture_muted = cras_system_get_capture_mute();
dbus_message_append_args(reply,
DBUS_TYPE_INT32, &volume,
DBUS_TYPE_BOOLEAN, &system_muted,
DBUS_TYPE_INT32, &capture_gain,
DBUS_TYPE_BOOLEAN, &capture_muted,
DBUS_TYPE_BOOLEAN, &user_muted,
DBUS_TYPE_INVALID);
dbus_connection_send(conn, reply, &serial);
dbus_message_unref(reply);
return DBUS_HANDLER_RESULT_HANDLED;
}
static void set_hfp_volume(struct cras_iodev *iodev)
{
size_t volume;
struct hfp_io *hfpio = (struct hfp_io *)iodev;
volume = cras_system_get_volume();
if (iodev->active_node)
volume = cras_iodev_adjust_node_volume(iodev->active_node, volume);
hfp_event_speaker_gain(hfpio->slc, volume);
}
static void signal_output_volume(void *context, int32_t volume)
{
struct cras_dbus_control *control = (struct cras_dbus_control *)context;
dbus_uint32_t serial = 0;
DBusMessage *msg;
msg = create_dbus_message("OutputVolumeChanged");
if (!msg)
return;
volume = cras_system_get_volume();
dbus_message_append_args(msg,
DBUS_TYPE_INT32, &volume,
DBUS_TYPE_INVALID);
dbus_connection_send(control->conn, msg, &serial);
dbus_message_unref(msg);
}
