btwrite(value & 0xff, BT848_CONTRAST_LO); btaor(hibit, ~4, BT848_E_CONTROL); btaor(hibit, ~4, BT848_O_CONTROL); 
btwrite(value & 0xff, BT848_CONTRAST_LO); btaor(hibit, ~4, BT848_E_CONTROL); btaor(hibit, ~4, BT848_O_CONTROL); 
static void bt848_contrast(struct bttv *btv, int cont){	int value,hibit;	btv->contrast = cont;	/* 0-511 */	value = (cont  >> 7);	hibit = (value >> 6) & 4;        btwrite(value & 0xff, BT848_CONTRAST_LO);        btaor(hibit, ~4, BT848_E_CONTROL);        btaor(hibit, ~4, BT848_O_CONTROL);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/4ac97914c6c35f6bf132071c718e034d0846b9f5/bttv-driver.c/buggy/drivers/media/video/bttv-driver.c