From patchwork Tue May 14 19:07:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yurii Pavlovskyi X-Patchwork-Id: 10943641 X-Patchwork-Delegate: andy.shevchenko@gmail.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 490C11398 for ; Tue, 14 May 2019 19:07:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 37AE12839C for ; Tue, 14 May 2019 19:07:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 295D9288AE; Tue, 14 May 2019 19:07:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D1CA72839C for ; Tue, 14 May 2019 19:07:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726605AbfENTHu (ORCPT ); Tue, 14 May 2019 15:07:50 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:39663 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726261AbfENTHu (ORCPT ); Tue, 14 May 2019 15:07:50 -0400 Received: by mail-wr1-f67.google.com with SMTP id w8so3711wrl.6; Tue, 14 May 2019 12:07:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:cc:references:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=qn66etOm0a5xQIu8htrI+8Q6SfvX5qKGBW8UZZdluKk=; b=raj+jxF5DpoWv0GMlZ/X5zUnAPvykosrsBJkIlHOqdz4SUaPZBnm6lBXUKaRUh4Bcx lOZJfQG6N659pdZCfUEt+Yj/LpBw437H8sDocWFs3AQmWR9v/FawHzhYfUzs/ElLqk24 AmN9AR8dCVTjIuGwjGC7wfOJi83TF9QfpyOlYO6f6tTX43kaOj70okkEHc8saNDaXGZE FMFAqum02glaCx+RahB1Szcsc9rlMuvVWzfHPPsaprdup8HaSjcxbBXXOtatFYYUIS67 6YEfQm8N8tMZtnMIcBaelFo9Oup8a14RKFB3Y8NFL3tUfOiI5drO1CpDtBx0iUV9e4Zj +ZHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=qn66etOm0a5xQIu8htrI+8Q6SfvX5qKGBW8UZZdluKk=; b=YFarpzPzI7sk5Zw11b1FMEssJ9Vrs6NAXcvccmxEzUcFn91L5Yhv4kyrpxd+OWZL3u +xaHdR5rJFr0BxbpNji+GdFA1hO3V0QAWM0nrQl2UptwQOX/PKJncMOV9/jLYTYCtua1 LoVz6NLMMVzP1M8VBfQpWnT5jiBufJGiFR44QsuASWeXZ+nn+tS6d5+oLVElocIC7ERT oEkxPc5G+FDKjZUL0SfjsiPsZ+5wC5tknfXlnA3xrgnfCbNT/S1OqfqusVFjFwFG5oAi e6VPJd4mNlaRmhhBtyxRkHXFI6pjVIpHcTBJ6c4UKg0WYbzPa/ZM1+zvGrtx3Z5L5hRL drJQ== X-Gm-Message-State: APjAAAVbzWawOxUwkOxljQ/7fjbey0SC0mEp1jfV5t8rE0YrZoceNJRT 03gzliZNc75M0eQe85gqh03SUszC X-Google-Smtp-Source: APXvYqz9xlF4iNQcDCI1K1xUJwfzrXCi5cK9zKh/z3ZFsrO0zb/o14rfJTi4oRzv1JsDJRRkXAA74A== X-Received: by 2002:adf:ef83:: with SMTP id d3mr10350000wro.253.1557860868811; Tue, 14 May 2019 12:07:48 -0700 (PDT) Received: from [192.168.20.141] ([194.99.104.18]) by smtp.gmail.com with ESMTPSA id o4sm5650291wmo.20.2019.05.14.12.07.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 May 2019 12:07:48 -0700 (PDT) Subject: [PATCH v4 13/13] platform/x86: asus-wmi: Do not disable keyboard backlight on unloading From: Yurii Pavlovskyi Cc: Corentin Chary , Darren Hart , Andy Shevchenko , Daniel Drake , Chris Chiu , acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org References: Message-ID: <8b24b62b-4271-1010-ca5f-2974088b1857@gmail.com> Date: Tue, 14 May 2019 21:07:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US To: unlisted-recipients:; (no To-header on input) Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The keyboard backlight is automatically disabled when the module is unloaded as it is exposed as a ledclass device. Change this behavior to ignore setting brightness when the device is in unloading state. Signed-off-by: Yurii Pavlovskyi --- drivers/platform/x86/asus-wmi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index feb8d72fc3c5..0c330d6a5871 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -471,6 +471,10 @@ static void do_kbd_led_set(struct led_classdev *led_cdev, int value) static void kbd_led_set(struct led_classdev *led_cdev, enum led_brightness value) { + /* Prevent disabling keyboard backlight on module unregister */ + if (led_cdev->flags & LED_UNREGISTERING) + return; + do_kbd_led_set(led_cdev, value); }