BACKLIGHT_UPDATE_SYSFS 7144 drivers/platform/x86/thinkpad_acpi.c BACKLIGHT_UPDATE_SYSFS); BACKLIGHT_UPDATE_SYSFS 116 drivers/video/backlight/backlight.c case BACKLIGHT_UPDATE_SYSFS: BACKLIGHT_UPDATE_SYSFS 197 drivers/video/backlight/backlight.c backlight_generate_event(bd, BACKLIGHT_UPDATE_SYSFS);