rf69_set_preamble_length  311 drivers/staging/pi433/pi433_if.c 		ret = rf69_set_preamble_length(dev->spi,
rf69_set_preamble_length  316 drivers/staging/pi433/pi433_if.c 		ret = rf69_set_preamble_length(dev->spi, 0);
rf69_set_preamble_length   45 drivers/staging/pi433/rf69.h int rf69_set_preamble_length(struct spi_device *spi, u16 preamble_length);