BT848_INT_STAT
bgwrite(~0x0, BT848_INT_STAT);
bgwrite(~0x0, BT848_INT_STAT);
btwrite(0xfffffUL, BT848_INT_STAT);
bttv_print_irqbits(btread(BT848_INT_STAT),0);
stat=btread(BT848_INT_STAT);
btwrite(stat,BT848_INT_STAT);
btwrite(~0x0, BT848_INT_STAT);
btwrite(BT848_INT_I2CDONE|BT848_INT_RACK, BT848_INT_STAT);