TS_HW_SOP_CNTRL
cx_write(TS_HW_SOP_CNTRL, 0x47 << 16 | 188 << 4 | 0x01);
cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4));
cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */