R0900_SYNTCTRL
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | intp->clkmode);
selosci = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | selosci);
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20
i = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | i);