si2165_write
return si2165_write(state, reg, buf, 2);
return si2165_write(state, reg, buf, 3);
return si2165_write(state, reg, buf, 4);
return si2165_write(state, REG_PLL_DIVL, buf, 4);
ret = si2165_write(state, REG_DCOM_CONTROL_BYTE, buf_ctrl, 4);
ret = si2165_write(state, REG_DCOM_ADDR, data + offset + 4, 4);
ret = si2165_write(state, REG_DCOM_DATA,