rtl8xxxu: Do not ignore wlan activity on 8723bu

The 8723bu is a WiFi/BT combo part. When initializing it for WiFi,
make sure to tell it not to ignore WiFi activity.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

@@ -5704,6 +5704,11 @@ static void rtl8723bu_init_bt(struct rtl8xxxu_priv *priv)
 	 */
 	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
 
+	memset(&h2c, 0, sizeof(struct h2c_cmd));
+	h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT;
+	h2c.ignore_wlan.data = 0;
+	rtl8723a_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan));
+
 	/*
 	 * Software control, antenna at WiFi side
 	 */

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h

@@ -752,6 +752,10 @@ struct h2c_cmd {
 			u8 cmd;
 			u8 data;
 		} __packed bt_wlan_calibration;
+		struct {
+			u8 cmd;
+			u8 data;
+		} __packed ignore_wlan;
 		struct {
 			u8 cmd;
 			u8 ant_inverse;