ath9k: Simplify checks in quick_scan

There is a function to do a ratio comparison for ALT,
so make use of it.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index 0b157ad..6495fc6 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -164,11 +164,11 @@ static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb,
                        else
                                antcomb->first_ratio = false;
                } else {
-                       if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) &&
-                             (alt_rssi_avg > main_rssi_avg +
-                              ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) ||
-                            (alt_rssi_avg > main_rssi_avg)) &&
-                           (antcomb->total_pkt_count > 50))
+                       if (ath_is_alt_ant_ratio_better(alt_ratio,
+                                               ATH_ANT_DIV_COMB_LNA1_DELTA_HI,
+                                               0,
+                                               main_rssi_avg, alt_rssi_avg,
+                                               antcomb->total_pkt_count))
                                antcomb->first_ratio = true;
                        else
                                antcomb->first_ratio = false;
@@ -219,11 +219,11 @@ static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb,
                        else
                                antcomb->second_ratio = false;
                } else {
-                       if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) &&
-                             (alt_rssi_avg > main_rssi_avg +
-                              ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) ||
-                            (alt_rssi_avg > main_rssi_avg)) &&
-                           (antcomb->total_pkt_count > 50))
+                       if (ath_is_alt_ant_ratio_better(alt_ratio,
+                                               ATH_ANT_DIV_COMB_LNA1_DELTA_HI,
+                                               0,
+                                               main_rssi_avg, alt_rssi_avg,
+                                               antcomb->total_pkt_count))
                                antcomb->second_ratio = true;
                        else
                                antcomb->second_ratio = false;