SPI_CPOL 87 include/linux/spi/spi.h #define SPI_MODE_2 (SPI_CPOL|0) SPI_CPOL 88 include/linux/spi/spi.h #define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) SPI_CPOL 36 include/uapi/linux/spi/spidev.h #define SPI_MODE_2 (SPI_CPOL|0) SPI_CPOL 37 include/uapi/linux/spi/spidev.h #define SPI_MODE_3 (SPI_CPOL|SPI_CPHA)