printk("cannot read pca\n"); 
printk(KERN_ERR "cannot read pca\n"); 
static int snd_ice1712_6fire_read_pca(ice1712_t *ice, unsigned char reg){	unsigned char byte;	snd_i2c_lock(ice->i2c);	byte = reg;	snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_6FIRE], &byte, 1);	byte = 0;	if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {		snd_i2c_unlock(ice->i2c);		printk("cannot read pca\n");		return -EIO;	}	snd_i2c_unlock(ice->i2c);	return byte;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/99b359ba10a582148c6725f428a33ba5356dd993/ews.c/clean/sound/pci/ice1712/ews.c