return -1; 
return -1; 
int bttv_I2CRead(struct bttv *btv, unsigned char addr, char *probe_for){        unsigned char buffer = 0;	if (0 != btv->i2c_rc)		return -1;	if (bttv_verbose && NULL != probe_for)		printk(KERN_INFO "bttv%d: i2c: checking for %s @ 0x%02x... ",		       btv->c.nr,probe_for,addr);        btv->i2c_client.addr = addr >> 1;        if (1 != i2c_master_recv(&btv->i2c_client, &buffer, 1)) {		if (NULL != probe_for) {			if (bttv_verbose)				printk("not found\n");		} else			printk(KERN_WARNING "bttv%d: i2c read 0x%x: error\n",			       btv->c.nr,addr);                return -1;	}	if (bttv_verbose && NULL != probe_for)		printk("found\n");        return buffer;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/4ac97914c6c35f6bf132071c718e034d0846b9f5/bttv-i2c.c/clean/drivers/media/video/bttv-i2c.c