void
bluetooth_killswitch_set_state (BluetoothKillswitch *killswitch,
				KillswitchState state)
{
	BluetoothKillswitchPrivate *priv = BLUETOOTH_KILLSWITCH_GET_PRIVATE (killswitch);
	struct rfkill_event event;
	ssize_t len;

	g_return_if_fail (state != KILLSWITCH_STATE_HARD_BLOCKED);

	memset (&event, 0, sizeof(event));
	event.op = RFKILL_OP_CHANGE_ALL;
	event.type = RFKILL_TYPE_BLUETOOTH;
	if (state == KILLSWITCH_STATE_SOFT_BLOCKED)
		event.soft = 1;
	else if (state == KILLSWITCH_STATE_UNBLOCKED)
		event.soft = 0;
	else
		g_assert_not_reached ();

	len = write (priv->fd, &event, sizeof(event));
	if (len < 0)
		g_warning ("Failed to change RFKILL state: %s",
			   g_strerror (errno));
}