sony-laptop: use an enum for SNC event types

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 210d4ae547c2..615ab06b6cd3 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1172,6 +1172,10 @@ static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
 /*
  * ACPI callbacks
  */
+enum event_types {
+        HOTKEY = 1,
+        KILLSWITCH
+};
 static void sony_nc_notify(struct acpi_device *device, u32 event)
 {
         u32 real_ev = event;
@@ -1196,7 +1200,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
                 /* hotkey event */
                 case 0x0100:
                 case 0x0127:
-                        ev_type = 1;
+                        ev_type = HOTKEY;
                         real_ev = sony_nc_hotkeys_decode(event, handle);
 
                         if (real_ev > 0)
@@ -1216,7 +1220,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
                          * update the rfkill device status when the
                          * switch is moved.
                          */
-                        ev_type = 2;
+                        ev_type = KILLSWITCH;
                         sony_call_snc_handle(handle, 0x0100, &result);
                         real_ev = result & 0x03;
 
@@ -1238,7 +1242,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
 
         } else {
                 /* old style event */
-                ev_type = 1;
+                ev_type = HOTKEY;
                 sony_laptop_report_input_event(real_ev);
         }