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rtlwifi: fix scan channel 1 fail after IPS 

If there is no connection, driver will enter IPS state. Meanwhile, it
fails to scan channel 1 by the command 'iw dev wlan0 scan freq 2412',
because hardware channel setting lose after IPS. Thus, restore channel
setting from hw->conf.channel set by last rtl_op_config().

Signed-off-by: Tim Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ping-Ke Shih 2018-01-17 14:15:22 +08:00 committed by Kalle Valo
parent a3fa3669d1
commit c8abbe79cc
1 changed files with 5 additions and 0 deletions
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5
drivers/net/wireless/realtek/rtlwifi/ps.c
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@ -51,6 +51,11 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
&rtlmac->retry_long); &rtlmac->retry_long);
RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
rtlpriv->cfg->ops->switch_channel(hw);
rtlpriv->cfg->ops->set_channel_access(hw);
rtlpriv->cfg->ops->set_bw_mode(hw,
cfg80211_get_chandef_type(&hw->conf.chandef));
/*<3> Enable Interrupt */ /*<3> Enable Interrupt */
rtlpriv->cfg->ops->enable_interrupt(hw); rtlpriv->cfg->ops->enable_interrupt(hw);