package/kernel/mac80211/patches/021-03-rt2800-fix-mt7620-vco-calibration-registers.patch

   1 From 02c452f317b4a4d06c433c294e66896a389731c1 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Tue, 18 Apr 2017 11:09:53 +0200
   4 Subject: [PATCH] rt2800: fix mt7620 vco calibration registers
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8 To: Stanislaw Gruszka <sgruszka@redhat.com>
   9 Cc: Helmut Schaa <helmut.schaa@googlemail.com>,
  10     linux-wireless@vger.kernel.org,
  11     Kalle Valo <kvalo@codeaurora.org>,
  12     Tom Psyborg <pozega.tomislav@gmail.com>
  13
  14 Use register values from init LNA function instead of the ones from
  15 restore LNA function. Apply register values based on rx path
  16 configuration.
  17
  18 Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
  19 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  20 ---
  21  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 6 +++---
  22  1 file changed, 3 insertions(+), 3 deletions(-)
  23
  24 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  25 index 870bf315f98b..86cffee6876a 100644
  26 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  27 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  28 @@ -4932,7 +4932,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
  29         rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
  30
  31         if (rt2x00_rt(rt2x00dev, RT6352)) {
  32 -               if (rt2x00dev->default_ant.tx_chain_num == 1) {
  33 +               if (rt2x00dev->default_ant.rx_chain_num == 1) {
  34                         rt2800_bbp_write(rt2x00dev, 91, 0x07);
  35                         rt2800_bbp_write(rt2x00dev, 95, 0x1A);
  36                         rt2800_bbp_write(rt2x00dev, 195, 128);
  37 @@ -4953,8 +4953,8 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
  38                 }
  39
  40                 if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
  41 -                       rt2800_bbp_write(rt2x00dev, 75, 0x60);
  42 -                       rt2800_bbp_write(rt2x00dev, 76, 0x44);
  43 +                       rt2800_bbp_write(rt2x00dev, 75, 0x68);
  44 +                       rt2800_bbp_write(rt2x00dev, 76, 0x4C);
  45                         rt2800_bbp_write(rt2x00dev, 79, 0x1C);
  46                         rt2800_bbp_write(rt2x00dev, 80, 0x0C);
  47                         rt2800_bbp_write(rt2x00dev, 82, 0xB6);
  48 --
  49 2.12.2
  50