rf69_write_fifo 710 drivers/staging/pi433/pi433_if.c rf69_write_fifo(spi, rf69_write_fifo 718 drivers/staging/pi433/pi433_if.c rf69_write_fifo(spi, rf69_write_fifo 67 drivers/staging/pi433/rf69.h int rf69_write_fifo(struct spi_device *spi, u8 *buffer, unsigned int size);