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rtw88: choose the lowest as world-wide power limit 

When we are loading tx power limit from the power limit table, compare
the world-wide limit with the current limit and choose the lowest power
limit for the world-wide power settings.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yan-Hsuan Chuang 2019-05-29 15:54:42 +08:00 committed by Kalle Valo
parent 764038160a
commit adf3c676d1
1 changed files with 10 additions and 2 deletions
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12
drivers/net/wireless/realtek/rtw88/phy.c
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@ -1170,6 +1170,7 @@ static void rtw_phy_set_tx_power_limit(struct rtw_dev *rtwdev, u8 regd, u8 band,
u8 bw, u8 rs, u8 ch, s8 pwr_limit)
{
struct rtw_hal *hal = &rtwdev->hal;
s8 ww;
int ch_idx;
pwr_limit = clamp_t(s8, pwr_limit,
@ -1184,10 +1185,17 @@ static void rtw_phy_set_tx_power_limit(struct rtw_dev *rtwdev, u8 regd, u8 band,
return;
}
if (band == PHY_BAND_2G)
if (band == PHY_BAND_2G) {
hal->tx_pwr_limit_2g[regd][bw][rs][ch_idx] = pwr_limit;
else if (band == PHY_BAND_5G)
ww = hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx];
ww = min_t(s8, ww, pwr_limit);
hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
} else if (band == PHY_BAND_5G) {
hal->tx_pwr_limit_5g[regd][bw][rs][ch_idx] = pwr_limit;
ww = hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx];
ww = min_t(s8, ww, pwr_limit);
hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
}
}
void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev,