MHL_DCAP_ADOPTER_ID_L
cbus_writeb(ctx, CBUS_DEVCAP_OFFSET + MHL_DCAP_ADOPTER_ID_L, 0x41);
[MHL_DCAP_ADOPTER_ID_L] = 0x41,
dcap[MHL_DCAP_ADOPTER_ID_H], dcap[MHL_DCAP_ADOPTER_ID_L],