SFRSTEP
stv0900_write_reg(intp, SFRSTEP, 0x00);
stv0900_write_reg(intp, SFRSTEP, 0x5c);
stv0900_write_reg(intp, SFRSTEP, 0x98);
stv0900_write_reg(intp, SFRSTEP, 0x95);
stv0900_write_reg(intp, SFRSTEP, 0x73);
stv0900_write_reg(intp, SFRSTEP, 0x00);
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);