mt312_write
return mt312_write(state, reg, &tmp, 1);
ret = mt312_write(state, VIT_SETUP, buf_def, sizeof(buf_def));
ret = mt312_write(state, HW_CTRL, buf, 2);
ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));
ret = mt312_write(state, TS_SW_LIM_L, buf, sizeof(buf));
ret = mt312_write(state, (0x80 | DISEQC_INSTR), c->msg, c->msg_len);
ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf));