From patchwork Wed Jan 19 06:17:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viacheslav X-Patchwork-Id: 533307 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2492BC433EF for ; Wed, 19 Jan 2022 06:27:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351773AbiASG1r (ORCPT ); Wed, 19 Jan 2022 01:27:47 -0500 Received: from mx.msync.work ([95.217.65.204]:58688 "EHLO mx.msync.work" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351729AbiASG1q (ORCPT ); Wed, 19 Jan 2022 01:27:46 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 99AE3268595; Wed, 19 Jan 2022 06:18:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lexina.in; s=dkim; t=1642573122; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=gFg+ke/Z2j4+lG2ytr+NSYtNJTydB+tssZm2cUg4qAk=; b=eyy9Zo10uYBCvqpyWw428uIUjui8bLIdDcMoOHtm1SXszrQ8aeH21jAg/qPfkE5oyIh1Tg olW8WnO1FJ6QTW9vH7EddIsNk0ubmryEPp65ObSO8Keh6bZVDndXxif5txAoNHY0+awRPJ 1hiN+CcJgSRtH9mw/sJd+6iw4Yo6IVzo4zggMJsmqrKquMtj24yEZhzFMS84oYWh0RuQ4l x9PRH3Rp8dNv7qZBQEo6tTs53KLt3r3wvO6YPUarLzolCYxmcdgyWbwuVa2HG7n73dGtcD 7Y9GdRR1Hqs2NIwPCm70D1moiDPlbBewg52qFRJO84/FvQd5BM5ldu+FFYrcnA== From: Vyacheslav Bocharov To: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com Cc: linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/2] Bluetooth: hci_h5: Add power reset via gpio in h5_btrtl_open Date: Wed, 19 Jan 2022 09:17:25 +0300 Message-Id: <20220119061723.2862683-3-adeep@lexina.in> In-Reply-To: <20220119061723.2862683-1-adeep@lexina.in> References: <20220119061723.2862683-1-adeep@lexina.in> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Add power reset via enable-gpios in h5_btrtl_open function. Signed-off-by: Vyacheslav Bocharov --- drivers/bluetooth/hci_h5.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 34286ffe0568..fdf504b0d265 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -966,6 +966,11 @@ static void h5_btrtl_open(struct h5 *h5) pm_runtime_enable(&h5->hu->serdev->dev); } + /* The controller needs reset to startup */ + gpiod_set_value_cansleep(h5->enable_gpio, 0); + gpiod_set_value_cansleep(h5->device_wake_gpio, 0); + msleep(100); + /* The controller needs up to 500ms to wakeup */ gpiod_set_value_cansleep(h5->enable_gpio, 1); gpiod_set_value_cansleep(h5->device_wake_gpio, 1);