TP_ACPI_HKEY_BRGHTUP_MASK 1963 drivers/platform/x86/thinkpad_acpi.c 	TP_NVRAM_HKEY_GROUP_BRIGHTNESS	= TP_ACPI_HKEY_BRGHTUP_MASK |
TP_ACPI_HKEY_BRGHTUP_MASK 7067 drivers/platform/x86/thinkpad_acpi.c 				| TP_ACPI_HKEY_BRGHTUP_MASK