default_tx 45 tools/spi/spidev_test.c uint8_t default_tx[] = { default_tx 54 tools/spi/spidev_test.c uint8_t default_rx[ARRAY_SIZE(default_tx)] = {0, }; default_tx 475 tools/spi/spidev_test.c transfer(fd, default_tx, default_rx, sizeof(default_tx));