[PATCH 18/19] sony-laptop: use an enum for SNC event types

[Mattia Dongili <malattia@xxxxxxxx>]

Signed-off-by: Mattia Dongili <malattia@xxxxxxxx>
---
 drivers/platform/x86/sony-laptop.c |   18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 3a95855..7f56f8d 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1219,6 +1219,12 @@ static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
 /*
  * ACPI callbacks
  */
+enum event_types {
+	HOTKEY = 1,
+	KILLSWITCH,
+	HDDSHOCK,
+	ALS
+};
 static void sony_nc_notify(struct acpi_device *device, u32 event)
 {
 	u32 real_ev = event;
@@ -1243,7 +1249,7 @@ 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)
@@ -1263,7 +1269,7 @@ 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;
 
@@ -1276,7 +1282,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
 		/* hdd protection event */
 		case 0x0134:
 		case 0x0147:
-			ev_type = 3;
+			ev_type = HDDSHOCK;
 			break;
 
 		case 0x0143:
@@ -1287,7 +1293,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
 					real_ev == 1 ?
 					"light" : "backlight");
 
-			ev_type = 4;
+			ev_type = ALS;
 			break;
 
 		case 0x012f:
@@ -1301,7 +1307,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
 					als_handle->ops->event_handler)
 				als_handle->ops->event_handler();
 
-			ev_type = 4;
+			ev_type = ALS;
 			break;
 
 		default:
@@ -1316,7 +1322,7 @@ 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);
 	}
 
-- 
1.7.10

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