package/kernel/mac80211/patches/rt2x00/017-rt2800-enable-TX_PIN_CFG_LNA_PE_-bits-per-band.patch

   1 From 9c9bf1af644ad16fca1fd601cfc3a2a2c6bbc58b Mon Sep 17 00:00:00 2001
   2 From: Stanislaw Gruszka <sgruszka@redhat.com>
   3 Date: Wed, 13 Feb 2019 11:09:14 +0100
   4 Subject: [PATCH 17/28] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
   5
   6 Do not enable TX_PIN_CFG_LNA_PE_A* bits for 2.4GHz band and
   7 vice versa TX_PIN_CFG_LNA_PE_G* bits for 5GHz.
   8
   9 Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
  10 ---
  11  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 18 ++++++++++++------
  12  1 file changed, 12 insertions(+), 6 deletions(-)
  13
  14 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  15 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  16 @@ -3893,18 +3893,24 @@ static void rt2800_config_channel(struct
  17         switch (rt2x00dev->default_ant.rx_chain_num) {
  18         case 3:
  19                 /* Turn on tertiary LNAs */
  20 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
  21 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
  22 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN,
  23 +                                  rf->channel > 14);
  24 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN,
  25 +                                  rf->channel <= 14);
  26                 /* fall-through */
  27         case 2:
  28                 /* Turn on secondary LNAs */
  29 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
  30 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
  31 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN,
  32 +                                  rf->channel > 14);
  33 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN,
  34 +                                  rf->channel <= 14);
  35                 /* fall-through */
  36         case 1:
  37                 /* Turn on primary LNAs */
  38 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
  39 -               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
  40 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN,
  41 +                                  rf->channel > 14);
  42 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN,
  43 +                                  rf->channel <= 14);
  44                 break;
  45         }
  46