rt2x00: Add comment about BBP1_TX_POWER

Add a comment about the meaning of BBP1_TX_POWER stating all possible values.

Signed-off-by: Helmut Schaa <[email protected]>
Acked-by: Gertjan van Wingerde <[email protected]>
Signed-off-by: Ivo van Doorn <[email protected]>
Signed-off-by: John W. Linville <[email protected]>

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 16bfaa8c4477a3b75f3da9fce8494a962ee30dce..b3084211f1ba1c90090765dc615c7bb7d87e44f8 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1557,7 +1557,9 @@ struct mac_iveiv_entry {
  */
 
 /*
- * BBP 1: TX Antenna
+ * BBP 1: TX Antenna & Power
+ * POWER: 0 - normal, 1 - drop tx power by 6dBm, 2 - drop tx power by 12dBm,
+ *     3 - increase tx power by 6dBm
  */
 #define BBP1_TX_POWER                  FIELD8(0x07)
 #define BBP1_TX_ANTENNA                        FIELD8(0x18)