LP5562_REG_PROG_MEM_ENG1
lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG1, 0);
lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG1 + 1, 0);
lp5562_write_program_memory(chip, LP5562_REG_PROG_MEM_ENG1,
.addr = LP5562_REG_PROG_MEM_ENG1,