R92C_LPLDO_CTRL
error = urtwn_write_1(sc, R92C_LPLDO_CTRL,
urtwn_read_1(sc, R92C_LPLDO_CTRL) & ~R92C_LPLDO_CTRL_SLEEP);
urtwn_write_1(sc, R92C_LPLDO_CTRL,
urtwn_read_1(sc, R92C_LPLDO_CTRL) | R92C_LPLDO_CTRL_SLEEP);