SiS_SetStart
static unsigned short SiS_SetStart(struct SiS_Private *SiS_Pr);
if(SiS_SetStart(SiS_Pr)) continue; /* Set start condition */
if(SiS_SetStart(SiS_Pr)) continue; /* Set start condition */
if(SiS_SetStart(SiS_Pr)) continue; /* Set start condition */
if (SiS_SetStart(SiS_Pr)) continue; /* Re-start */
if(SiS_SetStart(SiS_Pr)) return 0xFFFF;
if(SiS_SetStart(SiS_Pr)) return 0xFFFF;