DC_IRQ_FILT_CTL_H_FILT_SEL
filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;
filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;