rt2x00: Enable PA_PE bits in TX_PIN_CFG according to active band.

(split off from the earlier RT35xx patch submitted by Shiang)

There's no point in enabling the PA_PE bits for the bands that we are
not active on.

Signed-off-by: Shiang Tu <shiang_tu@ralinktech.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 2a6aa85cc6c9..0fab3152f2c0 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1795,8 +1795,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 
         /* Turn on unused PA or LNA when not using 1T or 1R */
         if (rt2x00dev->default_ant.tx_chain_num == 2) {
-                rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
-                rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+                rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
+                                   rf->channel > 14);
+                rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
+                                   rf->channel <= 14);
         }
 
         /* Turn on unused PA or LNA when not using 1T or 1R */