Bluetooth: document config options

Kernel config options should include useful help text; I had to look
up the terms on wikipedia.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 68f951b..db82a40 100644 (file)
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -45,6 +45,11 @@ config BT_BREDR
        bool "Bluetooth Classic (BR/EDR) features"
        depends on BT
        default y
+       help
+         Bluetooth Classic includes support for Basic Rate (BR)
+         available with Bluetooth version 1.0b or later and support
+         for Enhanced Data Rate (EDR) available with Bluetooth
+         version 2.0 or later.
 
 source "net/bluetooth/rfcomm/Kconfig"
 
@@ -58,11 +63,18 @@ config BT_HS
        bool "Bluetooth High Speed (HS) features"
        depends on BT_BREDR
        default y
+       help
+         Bluetooth High Speed includes support for off-loading
+         Bluetooth connections via 802.11 (wifi) physical layer
+         available with Bluetooth version 3.0 or later.
 
 config BT_LE
        bool "Bluetooth Low Energy (LE) features"
        depends on BT
        default y
+       help
+         Bluetooth Low Energy includes support low-energy physical
+         layer available with Bluetooth version 4.0 or later.
 
 config BT_6LOWPAN
        tristate "Bluetooth 6LoWPAN support"