BME680_SPI_MEM_PAGE_BIT 49 drivers/iio/chemical/bme680_spi.c buf[1] |= BME680_SPI_MEM_PAGE_BIT; BME680_SPI_MEM_PAGE_BIT 51 drivers/iio/chemical/bme680_spi.c buf[1] &= ~BME680_SPI_MEM_PAGE_BIT;