cyttsp_spi_xfer 36 drivers/input/touchscreen/cyttsp4_spi.c static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, cyttsp_spi_xfer 33 drivers/input/touchscreen/cyttsp_spi.c static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf,