From patchwork Thu Aug 5 00:32:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tedd Ho-Jeong An X-Patchwork-Id: 12419943 X-Patchwork-Delegate: luiz.dentz@gmail.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B8C5C4338F for ; Thu, 5 Aug 2021 00:32:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 316636104F for ; Thu, 5 Aug 2021 00:32:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236270AbhHEAco (ORCPT ); Wed, 4 Aug 2021 20:32:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236234AbhHEAcn (ORCPT ); Wed, 4 Aug 2021 20:32:43 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1003C061765 for ; Wed, 4 Aug 2021 17:32:28 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id u16so5016392ple.2 for ; Wed, 04 Aug 2021 17:32:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cahrGMaPWpNbTUMEe/gJAsf9oILslRXsQ36He8t3GsI=; b=URWH71a6US5X6HsrXi09mVkD20sJC7Ibl0PldT0PC9/zpII+7Ju3bmL2JW9p00LvqX gwqV2x4mvGn5g+yO2YwWQ8aHM6pGKMboANFTyu7/9t6+yz2Y1fGS+Tv/lvbhVsdMA7R8 sfuPi8hfiynX5bcXNBmXy8WSqW8Ll2wsZpExdyfCVrorvx3o9pHy5GQuQIx4JHcWoSrw /GQ3WvtR3ARg0/C/RpiRmPZwVnClzyp0eGDq5nwkfFwWF3qSnY0UOJv5H3YD7wXt3W+y uQNWLJpBQ1u5UA2iP2mkJofHhOXaMMLVw20L2RbSHWRPYBm6X9dFtupwAgLATfDgzipL jDIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cahrGMaPWpNbTUMEe/gJAsf9oILslRXsQ36He8t3GsI=; b=P/FNQwT5ocjZZlriNcN1FM36M1gaNNMO4tIclhQPIPPH6VhoPUp5sCVl74cvIBz76g DYGZ0yEu0rLytvKa7OABDvKluWhLk2dsBIW3iSReBJAfMG1S+QO7USeooeO8t+BbTKbU OESJPxdFkLeBthHmRvrA1Htt9dxRnqGhz+YrnQgFkRlSuqRvE7cCPuafLMnQAU4vOXtd srgy916OR2JJTwO1WuvzyK2U3tRTB87zjg3qvk5FSJFL/njKPP/+mh1Sm351e7fsoS5k R+BebKoU791G/KG5Uoksszt8sQ3fgoJfnuRdWdRQl9rf4YzOSeFpcHP2gmcPaq2GG9Ez Nq9A== X-Gm-Message-State: AOAM530g496DZ0mVPRb+s0RSELO0UcNfacM9EwCyucR7dTFLB+uG5czB F28qhuViiqUOHlvDrWrekthaQrYHNv4= X-Google-Smtp-Source: ABdhPJz8wBs4ODxaNsaKDFgKbDqeFQHSHaIhX4u7sl1H8uWyiQhrzDFyHhPEfo5cemG5zRjuCCYo+Q== X-Received: by 2002:a63:8948:: with SMTP id v69mr94377pgd.132.1628123548376; Wed, 04 Aug 2021 17:32:28 -0700 (PDT) Received: from localhost.localdomain ([2601:1c0:6a01:d830:e0b8:5332:84:7056]) by smtp.gmail.com with ESMTPSA id q4sm4761787pgv.16.2021.08.04.17.32.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 17:32:28 -0700 (PDT) From: Tedd Ho-Jeong An To: linux-bluetooth@vger.kernel.org Cc: Tedd Ho-Jeong An Subject: [PATCH v7 06/12] Bluetooth: btintel: Fix the LED is not turning off immediately Date: Wed, 4 Aug 2021 17:32:13 -0700 Message-Id: <20210805003219.23221-7-hj.tedd.an@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210805003219.23221-1-hj.tedd.an@gmail.com> References: <20210805003219.23221-1-hj.tedd.an@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Tedd Ho-Jeong An Some platforms have an issue with BT LED when the interface is down or BT radio is turned off, which takes 5 seconds to BT LED goes off. This command turns off the BT LED immediately. This patch sends the Intel vendor command to turn off the LED. Signed-off-by: Tedd Ho-Jeong An --- drivers/bluetooth/btintel.c | 23 +++++++++++++++++++++++ drivers/bluetooth/btintel.h | 1 + 2 files changed, 24 insertions(+) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 8e6b497a2164..fd947a8798a9 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -1737,6 +1737,13 @@ static int btintel_setup_combined(struct hci_dev *hdev) case 0x07: /* WP */ case 0x08: /* StP */ /* Legacy ROM product */ + + /* These devices have an issue with LED which doesn't + * go off immediately during shutdown. Set the flag + * here to send the LED OFF command during shutdown. + */ + btintel_set_flag(hdev, INTEL_BROKEN_LED); + err = btintel_legacy_rom_setup(hdev, &ver); break; case 0x0b: /* SfP */ @@ -1785,6 +1792,7 @@ static int btintel_setup_combined(struct hci_dev *hdev) static int btintel_shutdown_combined(struct hci_dev *hdev) { struct sk_buff *skb; + int ret; /* Send HCI Reset to the controller to stop any BT activity which * were triggered. This will help to save power and maintain the @@ -1797,6 +1805,21 @@ static int btintel_shutdown_combined(struct hci_dev *hdev) } kfree_skb(skb); + + /* Some platforms have an issue with BT LED when the interface is + * down or BT radio is turned off, which takes 5 seconds to BT LED + * goes off. This command turns off the BT LED immediately. + */ + if (btintel_test_flag(hdev, INTEL_BROKEN_LED)) { + skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + bt_dev_err(hdev, "turning off Intel device LED failed"); + return ret; + } + kfree_skb(skb); + } + return 0; } diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index 8a49795ad5af..aef04fa0e1ef 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -145,6 +145,7 @@ enum { INTEL_FIRMWARE_FAILED, INTEL_BOOTING, INTEL_BROKEN_INITIAL_NCMD, + INTEL_BROKEN_LED, __INTEL_NUM_FLAGS, };