From patchwork Mon Apr 22 07:25:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Archie Pusaka X-Patchwork-Id: 13637821 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 827314AEFA for ; Mon, 22 Apr 2024 07:25:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713770717; cv=none; b=GH8acWhr6kRPBiJ7F9RnMbL3QQgk5+XAHJIcEfHUIm84BRnpvr9u4JqsqeyoguASMQayzFJ5YuwBnWiM2OyRZhiGW20Dpw0GqOVqZ9WWGrO/PrSUmfQwVHqzjq74th4NavtCOKT96qCEDsJdUBUX92eUGxcS95/Ka02aE4NKfLA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713770717; c=relaxed/simple; bh=EDcOlr+IXSRQzC67CmMiUWrT6tgVWB6LEzOR9zHRnqg=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=c6y2pkMmcY0OrhI2ekTdSjAoFzfDzganPH4lErbQqyhVODIATUWfhntE47lAdjRl0d5Hz2W7xQQgFS4Qma26wQBWytS4l6pfbJUJuEUBUxLyTs3LJ7ePWD+Hs7xqoya2SHxyKn4AzUwa4AMKQWu4RwZxIyP+El2XxnyjmzQk4cI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--apusaka.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=FVMy6d43; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--apusaka.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="FVMy6d43" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-618596c23b4so71232647b3.0 for ; Mon, 22 Apr 2024 00:25:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1713770715; x=1714375515; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=GFcyxEC9zbVLPap6Ey9gG9OoDKAWEGSfij/agCtqgRs=; b=FVMy6d43K6gnbRNYkqijdJdtK0/iyqlLPjSJmTK16pVT4vLJv1ySiOvikzHufk2/0s tM8FDaf7ghlObrm85vA57+RM21bvQcTzD7NFHuw1tOcH5pI9B0+vmfh45HGZlRjXSipc rUojJk6idHABZe4K0Hox63xBEd7cUrwtK3pHR4mne5xFAevzsw//bopOG8jmUsN/E7EB H+yA5fDnJrrL31MOIN1jcPdskamNl/reSOZzVFK0HxHsHbzFrNuHMIzLWc7lV+WUkUm0 YXlQ1S0Hb4t/evVywnEglFEyXenoRRJ5MJhsnPr5R+6zDlOTyT5EWA83oz7q735JdgQ+ ivDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713770715; x=1714375515; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=GFcyxEC9zbVLPap6Ey9gG9OoDKAWEGSfij/agCtqgRs=; b=ccdE5frb5L5WlLXJmxMvYrfhdnQl465s97VowwCIx0WvB7zzsNEJ7AFNPiMLeF9RUY OeSbMtqlstu8k2buUwiYsVvzGaruQK3DYSE7D/LYa8s05lnJ65AbZ2sF/DWn9Y81a0qN DLXJSAMaJgnJNx1eef5LMTWG/mORF22WijqvI3RdNOtL94+V4dWLZSd2QoY7Gb1tblaJ 7uOg0WJzGWLThrz/8jltrKyRCdOsCZQp6SCaaSz/eXAw6AB979E4sF/x/wstfQy7t52g k7iwgiK1cxLjlhwnIZp3hGeGoJtt3p2JDtVA//bvljYFXHKaLB/hIR9G+LEGDfgPGhO5 8xdg== X-Gm-Message-State: AOJu0YwvmiJh/56Pfi9LpVlIgdvwo0TDg3GlN7j8VnM7a0HwoD3uzFUL 6Nm7FHsn0ccaqNy3L4Y6O4fpuvBooylMcaDImOXz9yOr4BjGxjD1fK8GuIkIEdK44dw08NYaUhm ePxu8kKqgOxynCyOZg5RZWpkonwQSgTfPIila3Dy+1PeX0ecpLVAuM73wldMxDCOZAFiTf+CGg/ sg4HKZ6OYrclzWfcaUI8JvodqUHj8l0Nqd0mZe/Qegx1rwx6Kg9g== X-Google-Smtp-Source: AGHT+IEGFEdCCHbuaKhEU3U0OHmIQH6peL/wCW0VUPpxDYeKYiIvQgjR3u+Zdc6yZaJTLiExsft4+JYTrTah X-Received: from apusaka-p920.tpe.corp.google.com ([2401:fa00:1:17:59d7:73d5:a990:d869]) (user=apusaka job=sendgmr) by 2002:a05:6902:725:b0:dbe:30cd:8fcb with SMTP id l5-20020a056902072500b00dbe30cd8fcbmr735816ybt.0.1713770714905; Mon, 22 Apr 2024 00:25:14 -0700 (PDT) Date: Mon, 22 Apr 2024 15:25:01 +0800 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog Message-ID: <20240422152500.1.I8939e49084a6fef78496eb73edafdf3c2c4afbf4@changeid> Subject: [PATCH] Bluetooth: btusb: Add debugfs to force toggling remote wakeup From: Archie Pusaka To: linux-bluetooth , Luiz Augusto von Dentz , Johan Hedberg , Marcel Holtmann Cc: CrosBT Upstreaming , Archie Pusaka , Abhishek Pandit-Subedi , linux-kernel@vger.kernel.org From: Archie Pusaka Sometimes we want the controller to not wake the host up, e.g. to save the battery. Add some debugfs knobs to force the wake by BT behavior. Signed-off-by: Archie Pusaka Reviewed-by: Abhishek Pandit-Subedi --- drivers/bluetooth/btusb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 8bede0a335668..846b15fc3c04c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -873,6 +873,9 @@ struct btusb_data { unsigned cmd_timeout_cnt; struct qca_dump_info qca_dump; + + bool force_enable_remote_wake; + bool force_disable_remote_wake; }; static void btusb_reset(struct hci_dev *hdev) @@ -4596,6 +4599,10 @@ static int btusb_probe(struct usb_interface *intf, debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, &force_poll_sync_fops); + debugfs_create_bool("force_enable_remote_wake", 0644, hdev->debugfs, + &data->force_enable_remote_wake); + debugfs_create_bool("force_disable_remote_wake", 0644, hdev->debugfs, + &data->force_disable_remote_wake); return 0; @@ -4702,6 +4709,18 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) } } + if (!PMSG_IS_AUTO(message)) { + if (data->force_enable_remote_wake) { + data->udev->do_remote_wakeup = 1; + if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) + data->udev->reset_resume = 0; + } else if (data->force_disable_remote_wake) { + data->udev->do_remote_wakeup = 0; + if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) + data->udev->reset_resume = 1; + } + } + return 0; }