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Adjust gain before scanning #338

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Adjust gain before scanning #338

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3 changes: 3 additions & 0 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1571,6 +1571,8 @@ void rtw_core_scan_start(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,

set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags);
set_bit(RTW_FLAG_SCANNING, rtwdev->flags);

rtw_phy_dig_set_max_coverage(rtwdev);
}

void rtw_core_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
Expand All @@ -1582,6 +1584,7 @@ void rtw_core_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
if (!rtwvif)
return;

rtw_phy_dig_reset(rtwdev);
clear_bit(RTW_FLAG_SCANNING, rtwdev->flags);
clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags);

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15 changes: 15 additions & 0 deletions phy.c
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Expand Up @@ -372,6 +372,21 @@ static void rtw_phy_statistics(struct rtw_dev *rtwdev)
#define DIG_CVRG_MIN 0x1c
#define DIG_RSSI_GAIN_OFFSET 15

void rtw_phy_dig_set_max_coverage(struct rtw_dev *rtwdev) {
rtw_dbg(rtwdev, RTW_DBG_PHY, "Setting IGI to max coverage\n");
rtw_phy_dig_write(rtwdev, DIG_CVRG_MAX);
}

void rtw_phy_dig_reset(struct rtw_dev *rtwdev) {
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
u8 last_igi;

last_igi = dm_info->igi_history[0];
rtw_dbg(rtwdev, RTW_DBG_PHY, "Resetting IGI=%u\n", last_igi);

rtw_phy_dig_write(rtwdev, last_igi);
}

static bool
rtw_phy_dig_check_damping(struct rtw_dm_info *dm_info)
{
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2 changes: 2 additions & 0 deletions phy.h
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Expand Up @@ -146,6 +146,8 @@ static inline int rtw_check_supported_rfe(struct rtw_dev *rtwdev)
}

void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi);
void rtw_phy_dig_reset(struct rtw_dev *rtwdev);
void rtw_phy_dig_set_max_coverage(struct rtw_dev *rtwdev);

struct rtw_power_params {
u8 pwr_base;
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