kbdlight_sysfs_get 5402 drivers/platform/x86/thinkpad_acpi.c .brightness_get = &kbdlight_sysfs_get, kbdlight_sysfs_get 5420 drivers/platform/x86/thinkpad_acpi.c kbdlight_brightness = kbdlight_sysfs_get(NULL); kbdlight_sysfs_get 9853 drivers/platform/x86/thinkpad_acpi.c brightness = kbdlight_sysfs_get(NULL);