ACPI: thinkpad-acpi: add sysfs support to hotkey subdriver

Add the hotkey sysfs support.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index a9e709368256..7615adb381c8 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -414,6 +414,8 @@ static int fan_write_cmd_watchdog(const char *cmd, int *rc);
  * Hotkey subdriver
  */
 
+#define TPACPI_HOTKEY_SYSFS_GROUP "hotkey"
+
 static int hotkey_orig_status;
 static int hotkey_orig_mask;