[PATCH v4 5/8] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band

[Stanislaw Gruszka]

Do not enable TX_PIN_CFG_LNA_PE_A* bits for 2.4GHz band and
vice versa TX_PIN_CFG_LNA_PE_G* bits for 5GHz.

Signed-off-by: Stanislaw Gruszka <sgrus...@redhat.com>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c 
b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 16d6d99b1d44..bf0d12c5b2db 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3891,18 +3891,24 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
        switch (rt2x00dev->default_ant.rx_chain_num) {
        case 3:
                /* Turn on tertiary LNAs */
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN,
+                                  rf->channel > 14);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN,
+                                  rf->channel <= 14);
                /* fall-through */
        case 2:
                /* Turn on secondary LNAs */
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN,
+                                  rf->channel > 14);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN,
+                                  rf->channel <= 14);
                /* fall-through */
        case 1:
                /* Turn on primary LNAs */
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
-               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN,
+                                  rf->channel > 14);
+               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN,
+                                  rf->channel <= 14);
                break;
        }
 
-- 
2.7.5