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>

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 210d4ae547c201eafd438ca896357f10f22a3502..615ab06b6cd3319f266d8c995c3465f4897acc01 100644 (file)
--- 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);
        }