leds: Standardise LED naming scheme

As discussed on LKML some notion of 'function' is needed in
LED naming. This patch adds this to the documentation and
standardises existing LED drivers.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index 0908335..0aac1ff 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -147,12 +147,12 @@
 	case B43_LED_TRANSFER:
 	case B43_LED_APTRANSFER:
 		snprintf(name, sizeof(name),
-			 "b43-%s:tx", wiphy_name(hw->wiphy));
+			 "b43-%s::tx", wiphy_name(hw->wiphy));
 		b43_register_led(dev, &dev->led_tx, name,
 				 ieee80211_get_tx_led_name(hw),
 				 led_index, activelow);
 		snprintf(name, sizeof(name),
-			 "b43-%s:rx", wiphy_name(hw->wiphy));
+			 "b43-%s::rx", wiphy_name(hw->wiphy));
 		b43_register_led(dev, &dev->led_rx, name,
 				 ieee80211_get_rx_led_name(hw),
 				 led_index, activelow);
@@ -162,7 +162,7 @@
 	case B43_LED_RADIO_B:
 	case B43_LED_MODE_BG:
 		snprintf(name, sizeof(name),
-			 "b43-%s:radio", wiphy_name(hw->wiphy));
+			 "b43-%s::radio", wiphy_name(hw->wiphy));
 		b43_register_led(dev, &dev->led_radio, name,
 				 b43_rfkill_led_name(dev),
 				 led_index, activelow);
@@ -173,7 +173,7 @@
 	case B43_LED_WEIRD:
 	case B43_LED_ASSOC:
 		snprintf(name, sizeof(name),
-			 "b43-%s:assoc", wiphy_name(hw->wiphy));
+			 "b43-%s::assoc", wiphy_name(hw->wiphy));
 		b43_register_led(dev, &dev->led_assoc, name,
 				 ieee80211_get_assoc_led_name(hw),
 				 led_index, activelow);