rtlwifi: add btc_is_bt_lps_on() for btcoexist

If LPS is controlled by btcoex, this function tell driver LPS is on or off.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c

@@ -46,6 +46,7 @@ static struct rtl_btc_ops rtl_btc_operation = {
 	.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
 	.btc_special_packet_notify = rtl_btc_special_packet_notify,
 	.btc_record_pwr_mode = rtl_btc_record_pwr_mode,
+	.btc_is_bt_lps_on = rtl_btc_is_bt_lps_on,
 	.btc_get_ampdu_cfg = rtl_btc_get_ampdu_cfg,
 };
 
@@ -61,6 +62,11 @@ void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len)
 	memcpy(gl_bt_coexist.pwr_mode_val, buf, safe_len);
 }
 
+bool rtl_btc_is_bt_lps_on(struct rtl_priv *rtlpriv)
+{
+	return gl_bt_coexist.bt_info.bt_lps_on;
+}
+
 void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg,
 			   u8 *ctrl_agg_size, u8 *agg_size)
 {

drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h

@@ -44,6 +44,7 @@ bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv);
 bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv);
 void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type);
 void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
+bool rtl_btc_is_bt_lps_on(struct rtl_priv *rtlpriv);
 void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg,
 			   u8 *ctrl_agg_size, u8 *agg_size);
 

drivers/net/wireless/realtek/rtlwifi/wifi.h

@@ -2563,6 +2563,7 @@ struct rtl_btc_ops {
 	void (*btc_record_pwr_mode)(struct rtl_priv *rtlpriv, u8 *buf, u8 len);
 	void (*btc_get_ampdu_cfg)(struct rtl_priv *rtlpriv, u8 *reject_agg,
 				  u8 *ctrl_agg_size, u8 *agg_size);
+	bool (*btc_is_bt_lps_on)(struct rtl_priv *rtlpriv);
 };
 
 struct proxim {