diff options
| author | Yan-Hsuan Chuang <yhchuang@realtek.com> | 2019-05-29 15:54:42 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-06-27 20:24:25 +0300 |
| commit | adf3c676d1d2f7e9b09e0153c7f58b7f87ca1a6f (patch) | |
| tree | 26e4d5748faabfd083628460f45b5e0d650f4196 /drivers/net/wireless/realtek/rtw88/phy.c | |
| parent | 764038160aea385bdab06c24c52c047dc4d13e11 (diff) | |
| download | linux-adf3c676d1d2f7e9b09e0153c7f58b7f87ca1a6f.tar.bz2 | |
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>
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/phy.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/phy.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c index 95f2b87ad0cc..ce26b1506e77 100644 --- a/drivers/net/wireless/realtek/rtw88/phy.c +++ b/drivers/net/wireless/realtek/rtw88/phy.c @@ -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, |