TP_ACPI_HKEY_BRGHTDWN_MASK 1964 drivers/platform/x86/thinkpad_acpi.c 					  TP_ACPI_HKEY_BRGHTDWN_MASK,
TP_ACPI_HKEY_BRGHTDWN_MASK 7068 drivers/platform/x86/thinkpad_acpi.c 				| TP_ACPI_HKEY_BRGHTDWN_MASK);