BM_CONSERVATION_BIT 270 drivers/platform/x86/ideapad-laptop.c test_bit(BM_CONSERVATION_BIT, &value) ? "On" : "Off", BM_CONSERVATION_BIT 445 drivers/platform/x86/ideapad-laptop.c return sprintf(buf, "%u\n", test_bit(BM_CONSERVATION_BIT, &result));