LP5562_REG_PROG_MEM_ENG2
lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG2, 0);
lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG2 + 1, 0);
lp5562_write_program_memory(chip, LP5562_REG_PROG_MEM_ENG2,