ddr4_en 3642 drivers/hwmon/nct6775.c bool ddr4_en = cr2f & BIT(4); ddr4_en 3717 drivers/hwmon/nct6775.c fan5pin |= !ddr4_en && (cr1b & BIT(5)); ddr4_en 3726 drivers/hwmon/nct6775.c pwm5pin |= !ddr4_en && (cr2d & BIT(7));