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Commit 19baccc4 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
Browse files

rtlwifi: btcoex: 21a 1ant: add function to check wifi status 



This function checks if wifi has changed its statusi. It will be needed
in the future.

Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 1bdd8339

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c

+33 −0
Original line number Diff line number Diff line
@@ -424,6 +424,39 @@ static void btc8821a1ant_query_bt_info(struct btc_coexist *btcoexist) 
	btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);

}



bool btc8821a1ant_is_wifi_status_changed(struct btc_coexist *btcoexist)

{

	static bool pre_wifi_busy = true;

	static bool pre_under_4way = true;

	static bool pre_bt_hs_on = true;

	bool wifi_busy = false, under_4way = false, bt_hs_on = false;

	bool wifi_connected = false;



	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,

			   &wifi_connected);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_4_WAY_PROGRESS,

			   &under_4way);



	if (wifi_connected) {

		if (wifi_busy != pre_wifi_busy) {

			pre_wifi_busy = wifi_busy;

			return true;

		}

		if (under_4way != pre_under_4way) {

			pre_under_4way = under_4way;

			return true;

		}

		if (bt_hs_on != pre_bt_hs_on) {

			pre_bt_hs_on = bt_hs_on;

			return true;

		}

	}



	return false;

}



static void btc8821a1ant_update_bt_link_info(struct btc_coexist *btcoexist)

{

	struct btc_bt_link_info	*bt_link_info = &btcoexist->bt_link_info;