Return-path: Received: from mail-ob0-f171.google.com ([209.85.214.171]:34833 "EHLO mail-ob0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753671AbbEKTAq (ORCPT ); Mon, 11 May 2015 15:00:46 -0400 From: Larry Finger To: kvalo@codeaurora.org, netdev@vger.kernel.org Cc: linux-wireless@vger.kernel.org, Daniel Drake , Larry Finger , Shao Fu Subject: [PATCH NEXT] rtlwifi: btcoexist: Fix interference between rtl8723be and Bluetooth Date: Mon, 11 May 2015 14:00:27 -0500 Message-Id: <1431370827-13324-1-git-send-email-Larry.Finger@lwfinger.net> (sfid-20150511_210107_535629_6AA7D469) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Daniel Drake During usage of the new Bluetooth driver for Realtek devices, it was found that BT scans were inhibited for the RTL8723BE when wireless was active. The exact cause of this interference is not known yet, but a satisfactory work around has been found that does not seem to have any visible side effects. Signed-off-by: Daniel Drake Signed-off-by: Larry Finger Cc: Shao Fu --- drivers/net/wireless/rtlwifi/btcoexist/halbtc8723b2ant.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/rtlwifi/btcoexist/halbtc8723b2ant.c index cefe269..f2b9d11 100644 --- a/drivers/net/wireless/rtlwifi/btcoexist/halbtc8723b2ant.c +++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtc8723b2ant.c @@ -1286,8 +1286,11 @@ static void btc8723b2ant_ps_tdma(struct btc_coexist *btcoexist, bool force_exec, 0x12, 0xe1, 0x90); break; case 3: - btc8723b2ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x1c, - 0x3, 0xf1, 0x90); + /* This call breaks BT when wireless is active - + * comment it out for now until a better fix is found: + * btc8723b2ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x1c, + * 0x3, 0xf1, 0x90); + */ break; case 4: btc8723b2ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x10, -- 2.1.4