Autosensing SIS3104’s (firmware 0x03020202) are recognized from driver 2.13-7 onwards.
To continue working with older drivers with an up to date SIS3104 you will have to modify sis3100rem_init.c by adding the corresponding case to the switch (sc_remote_ident&0x00ffff00) as shown below.
case 0x00020200: /* 3104 autobaud */
min_fv=MIN_FV_4;
max_fv=MAX_FV_4;
break;