SD_OCR_S18R 747 drivers/mmc/core/sd.c ocr &= ~SD_OCR_S18R; SD_OCR_S18R 775 drivers/mmc/core/sd.c ocr |= SD_OCR_S18R; SD_OCR_S18R 34 include/linux/mmc/sd.h #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */