From: Yan-Hsuan Chuang <[email protected]> This function checks if wifi has changed its statusi. It will be needed in the future.
Signed-off-by: Yan-Hsuan Chuang <[email protected]> Signed-off-by: Larry Finger <[email protected]> Cc: Pkshih <[email protected]> Cc: Birming Chiu <[email protected]> Cc: Shaofu <[email protected]> Cc: Steven Ting <[email protected]> --- .../realtek/rtlwifi/btcoexist/halbtc8821a1ant.c | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c index 5b8f4ed5ce62..65c455bfd8fb 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c @@ -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; -- 2.12.0
