mcam_reg_read
c1 = mcam_reg_read(mcam, REG_TWSIC1);
(void) mcam_reg_read(mcam, REG_TWSIC1); /* force write */
rval = mcam_reg_read(mcam, REG_TWSIC1);
c1 = mcam_reg_read(mcam, REG_TWSIC1);
(void) mcam_reg_read(mcam, REG_TWSIC1); /* force write */
rval = mcam_reg_read(mcam, REG_TWSIC1);
irqs = mcam_reg_read(mcam, REG_IRQSTAT);
reg->val = mcam_reg_read(cam, reg->reg);
unsigned int v = mcam_reg_read(cam, reg);
irqs = mcam_reg_read(mcam, REG_IRQSTAT);