package/kernel/mac80211/patches/600-0029-rt2x00-rt2800lib-fix-VGC-setup-for-RT3883.patch

   1 From c49b2d829aa1c816a46a577cdec6d2ff14d9f06e Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Tue, 1 Oct 2013 15:40:08 +0200
   4 Subject: [PATCH] rt2x00: rt2800lib: fix VGC setup for RT3883
   5
   6 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
   7 ---
   8  drivers/net/wireless/ralink/rt2x00/rt2800lib.c |   11 +++++++++--
   9  1 file changed, 9 insertions(+), 2 deletions(-)
  10
  11 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  12 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  13 @@ -4812,7 +4812,8 @@ static u8 rt2800_get_default_vgc(struct
  14                 else
  15                         vgc = 0x2e + rt2x00dev->lna_gain;
  16         } else { /* 5GHZ band */
  17 -               if (rt2x00_rt(rt2x00dev, RT3593))
  18 +               if (rt2x00_rt(rt2x00dev, RT3593) ||
  19 +                   rt2x00_rt(rt2x00dev, RT3883))
  20                         vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
  21                 else if (rt2x00_rt(rt2x00dev, RT5592))
  22                         vgc = 0x24 + (2 * rt2x00dev->lna_gain);
  23 @@ -4832,7 +4833,8 @@ static inline void rt2800_set_vgc(struct
  24  {
  25         if (qual->vgc_level != vgc_level) {
  26                 if (rt2x00_rt(rt2x00dev, RT3572) ||
  27 -                   rt2x00_rt(rt2x00dev, RT3593)) {
  28 +                   rt2x00_rt(rt2x00dev, RT3593) ||
  29 +                   rt2x00_rt(rt2x00dev, RT3883)) {
  30                         rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
  31                                                        vgc_level);
  32                 } else if (rt2x00_rt(rt2x00dev, RT5592)) {
  33 @@ -4879,6 +4881,11 @@ void rt2800_link_tuner(struct rt2x00_dev
  34                 }
  35                 break;
  36
  37 +       case RT3883:
  38 +               if (qual->rssi > -65)
  39 +                       vgc += 0x10;
  40 +               break;
  41 +
  42         case RT5592:
  43                 if (qual->rssi > -65)
  44                         vgc += 0x20;