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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: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry 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: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yan-Hsuan Chuang 2017-04-10 11:22:58 -05:00 committed by Kalle Valo
parent 1bdd83392f
commit 19baccc456
1 changed files with 33 additions and 0 deletions
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33
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
View File

@ -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;