BRIDGE_SPCA536
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f0 : 0x21a7;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f1 : 0x21a8;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f6 : 0x21ae;
case BRIDGE_SPCA536:
case BRIDGE_SPCA536:
case BRIDGE_SPCA536: