package/mac80211/patches/565-ath9k-add-fast_div_bias-configuration-for-diversity-.patch

   1 diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
   2 index 99f55b3..80bb04f 100644
   3 --- a/drivers/net/wireless/ath/ath9k/recv.c
   4 +++ b/drivers/net/wireless/ath/ath9k/recv.c
   5 @@ -1364,6 +1364,89 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
   6                 default:
   7                         break;
   8                 }
   9 +       } else if (ant_conf->div_group == 1) {
  10 +               /* Adjust the fast_div_bias based on main and alt_lna_conf */
  11 +               switch ((ant_conf->main_lna_conf << 4) |
  12 +                       ant_conf->alt_lna_conf) {
  13 +               case 0x01: /* A-B LNA2 */
  14 +                       ant_conf->fast_div_bias = 0x1;
  15 +                       ant_conf->main_gaintb = 0;
  16 +                       ant_conf->alt_gaintb = 0;
  17 +                       break;
  18 +               case 0x02: /* A-B LNA1 */
  19 +                       ant_conf->fast_div_bias = 0x1;
  20 +                       ant_conf->main_gaintb = 0;
  21 +                       ant_conf->alt_gaintb = 0;
  22 +                       break;
  23 +               case 0x03: /* A-B A+B */
  24 +                       ant_conf->fast_div_bias = 0x1;
  25 +                       ant_conf->main_gaintb = 0;
  26 +                       ant_conf->alt_gaintb = 0;
  27 +                       break;
  28 +               case 0x10: /* LNA2 A-B */
  29 +                       if (!(antcomb->scan) &&
  30 +                           (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
  31 +                               ant_conf->fast_div_bias = 0x3f;
  32 +                       else
  33 +                               ant_conf->fast_div_bias = 0x1;
  34 +                       ant_conf->main_gaintb = 0;
  35 +                       ant_conf->alt_gaintb = 0;
  36 +                       break;
  37 +               case 0x12: /* LNA2 LNA1 */
  38 +                       ant_conf->fast_div_bias = 0x1;
  39 +                       ant_conf->main_gaintb = 0;
  40 +                       ant_conf->alt_gaintb = 0;
  41 +                       break;
  42 +               case 0x13: /* LNA2 A+B */
  43 +                       if (!(antcomb->scan) &&
  44 +                           (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
  45 +                               ant_conf->fast_div_bias = 0x3f;
  46 +                       else
  47 +                               ant_conf->fast_div_bias = 0x1;
  48 +                       ant_conf->main_gaintb = 0;
  49 +                       ant_conf->alt_gaintb = 0;
  50 +                       break;
  51 +               case 0x20: /* LNA1 A-B */
  52 +                       if (!(antcomb->scan) &&
  53 +                           (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
  54 +                               ant_conf->fast_div_bias = 0x3f;
  55 +                       else
  56 +                               ant_conf->fast_div_bias = 0x1;
  57 +                       ant_conf->main_gaintb = 0;
  58 +                       ant_conf->alt_gaintb = 0;
  59 +                       break;
  60 +               case 0x21: /* LNA1 LNA2 */
  61 +                       ant_conf->fast_div_bias = 0x1;
  62 +                       ant_conf->main_gaintb = 0;
  63 +                       ant_conf->alt_gaintb = 0;
  64 +                       break;
  65 +               case 0x23: /* LNA1 A+B */
  66 +                       if (!(antcomb->scan) &&
  67 +                           (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
  68 +                               ant_conf->fast_div_bias = 0x3f;
  69 +                       else
  70 +                               ant_conf->fast_div_bias = 0x1;
  71 +                       ant_conf->main_gaintb = 0;
  72 +                       ant_conf->alt_gaintb = 0;
  73 +                       break;
  74 +               case 0x30: /* A+B A-B */
  75 +                       ant_conf->fast_div_bias = 0x1;
  76 +                       ant_conf->main_gaintb = 0;
  77 +                       ant_conf->alt_gaintb = 0;
  78 +                       break;
  79 +               case 0x31: /* A+B LNA2 */
  80 +                       ant_conf->fast_div_bias = 0x1;
  81 +                       ant_conf->main_gaintb = 0;
  82 +                       ant_conf->alt_gaintb = 0;
  83 +                       break;
  84 +               case 0x32: /* A+B LNA1 */
  85 +                       ant_conf->fast_div_bias = 0x1;
  86 +                       ant_conf->main_gaintb = 0;
  87 +                       ant_conf->alt_gaintb = 0;
  88 +                       break;
  89 +               default:
  90 +                       break;
  91 +               }
  92         } else if (ant_conf->div_group == 2) {
  93                 /* Adjust the fast_div_bias based on main and alt_lna_conf */
  94                 switch ((ant_conf->main_lna_conf << 4) |