DDR_VAR_SDCLK_POL_SWAP  302 include/linux/mfd/rtsx_pci.h #define	DDR_VAR_SDCLK_POL_SWAP		0x01
DDR_VAR_SDCLK_POL_SWAP  537 include/linux/mfd/rtsx_usb.h #define	DDR_VAR_SDCLK_POL_SWAP		0x01