xfer_begin        303 drivers/i2c/algos/i2c-algo-pcf.c 	if (adap->xfer_begin)
xfer_begin        304 drivers/i2c/algos/i2c-algo-pcf.c 		adap->xfer_begin(adap->data);
xfer_begin         25 include/linux/i2c-algo-pcf.h 	void (*xfer_begin) (void *data);