TP_ACPI_HKEY_VOLUP_MASK 1965 drivers/platform/x86/thinkpad_acpi.c 	TP_NVRAM_HKEY_GROUP_VOLUME	= TP_ACPI_HKEY_VOLUP_MASK |
TP_ACPI_HKEY_VOLUP_MASK 7808 drivers/platform/x86/thinkpad_acpi.c 			| TP_ACPI_HKEY_VOLUP_MASK