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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2013-09-02 12:29:03 +0400
committerJohn W. Linville <linville@tuxdriver.com>2013-09-26 23:13:28 +0400
commitf96bd2ad2259dc5d94fddffe37c668017209712b (patch)
tree6856e81d536ba88f7997ca8b2d62a92f3b847600 /drivers/net/wireless/ath/ath9k/antenna.c
parent6ac2150927399ae0f6d34430145bddc761cbb1a0 (diff)
downloadlinux-f96bd2ad2259dc5d94fddffe37c668017209712b.tar.xz
ath9k: Add support for AR9565 v1.0.1 LNA diversity
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/antenna.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/antenna.c36
1 files changed, 8 insertions, 28 deletions
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index dd1cc73d7946..bd048cc69a33 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -332,7 +332,7 @@ static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb,
}
if (antcomb->rssi_lna2 > antcomb->rssi_lna1 +
- ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)
+ div_ant_conf->lna1_lna2_switch_delta)
div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA2;
else
div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1;
@@ -554,42 +554,22 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->fast_div_bias = 0x1;
break;
case 0x10: /* LNA2 A-B */
- if ((antcomb->scan == 0) &&
- (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
- ant_conf->fast_div_bias = 0x3f;
- } else {
- ant_conf->fast_div_bias = 0x1;
- }
+ ant_conf->fast_div_bias = 0x2;
break;
case 0x12: /* LNA2 LNA1 */
- ant_conf->fast_div_bias = 0x39;
+ ant_conf->fast_div_bias = 0x3f;
break;
case 0x13: /* LNA2 A+B */
- if ((antcomb->scan == 0) &&
- (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
- ant_conf->fast_div_bias = 0x3f;
- } else {
- ant_conf->fast_div_bias = 0x1;
- }
+ ant_conf->fast_div_bias = 0x2;
break;
case 0x20: /* LNA1 A-B */
- if ((antcomb->scan == 0) &&
- (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
- ant_conf->fast_div_bias = 0x3f;
- } else {
- ant_conf->fast_div_bias = 0x4;
- }
+ ant_conf->fast_div_bias = 0x3;
break;
case 0x21: /* LNA1 LNA2 */
- ant_conf->fast_div_bias = 0x6;
+ ant_conf->fast_div_bias = 0x3;
break;
case 0x23: /* LNA1 A+B */
- if ((antcomb->scan == 0) &&
- (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
- ant_conf->fast_div_bias = 0x3f;
- } else {
- ant_conf->fast_div_bias = 0x6;
- }
+ ant_conf->fast_div_bias = 0x3;
break;
case 0x30: /* A+B A-B */
ant_conf->fast_div_bias = 0x1;
@@ -638,7 +618,7 @@ static void ath_ant_try_scan(struct ath_ant_comb *antcomb,
antcomb->rssi_sub = alt_rssi_avg;
antcomb->scan = false;
if (antcomb->rssi_lna2 >
- (antcomb->rssi_lna1 + ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)) {
+ (antcomb->rssi_lna1 + conf->lna1_lna2_switch_delta)) {
/* use LNA2 as main LNA */
if ((antcomb->rssi_add > antcomb->rssi_lna1) &&
(antcomb->rssi_add > antcomb->rssi_sub)) {