r26
uint16_t r02 = 0, r04 = 0, r18 = 0, r26 = 0, r2a = 0, r2c = 0, r7a = 0;
vac_ac97_read(sc, 0x26, &r26); /* powerdown ctrl/status */
r02, r04, r18, r26, r2a, r2c, r7a);