rfkill: add type string helper

We will need access to the rfkill switch type in string format for more
than just sysfs.  Therefore, move it to a generic helper.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index a561e35..3c77734 100644 (file)
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -224,34 +224,31 @@ static ssize_t rfkill_name_show(struct device *dev,
        return sprintf(buf, "%s\n", rfkill->name);
 }
 
-static ssize_t rfkill_type_show(struct device *dev,
-                               struct device_attribute *attr,
-                               char *buf)
+static const char *rfkill_get_type_str(enum rfkill_type type)
 {
-       struct rfkill *rfkill = to_rfkill(dev);
-       const char *type;
-
-       switch (rfkill->type) {
+       switch (type) {
        case RFKILL_TYPE_WLAN:
-               type = "wlan";
-               break;
+               return "wlan";
        case RFKILL_TYPE_BLUETOOTH:
-               type = "bluetooth";
-               break;
+               return "bluetooth";
        case RFKILL_TYPE_UWB:
-               type = "ultrawideband";
-               break;
+               return "ultrawideband";
        case RFKILL_TYPE_WIMAX:
-               type = "wimax";
-               break;
+               return "wimax";
        case RFKILL_TYPE_WWAN:
-               type = "wwan";
-               break;
+               return "wwan";
        default:
                BUG();
        }
+}
+
+static ssize_t rfkill_type_show(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+       struct rfkill *rfkill = to_rfkill(dev);
 
-       return sprintf(buf, "%s\n", type);
+       return sprintf(buf, "%s\n", rfkill_get_type_str(rfkill->type));
 }
 
 static ssize_t rfkill_state_show(struct device *dev,