From patchwork Wed Jan 13 06:14:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laxman Dewangan X-Patchwork-Id: 8022291 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EC950BEEE5 for ; Wed, 13 Jan 2016 06:24:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 282532042B for ; Wed, 13 Jan 2016 06:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C907E2042C for ; Wed, 13 Jan 2016 06:24:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753403AbcAMGYk (ORCPT ); Wed, 13 Jan 2016 01:24:40 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:12060 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752035AbcAMGYj (ORCPT ); Wed, 13 Jan 2016 01:24:39 -0500 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Tue, 12 Jan 2016 22:24:41 -0800 Received: from hqemhub03.nvidia.com ([172.20.150.15]) by hqnvupgp08.nvidia.com (PGP Universal service); Tue, 12 Jan 2016 22:20:10 -0800 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Tue, 12 Jan 2016 22:20:10 -0800 Received: from ldewanganubuntu-System-Product-Name.nvidia.com (172.20.144.16) by hqemhub03.nvidia.com (172.20.150.15) with Microsoft SMTP Server (TLS) id 8.3.406.0; Tue, 12 Jan 2016 22:24:38 -0800 From: Laxman Dewangan To: , , , CC: , , , , , , Laxman Dewangan Subject: [PATCH V2 1/2] input: gpio-keys: add support for disable button from DT Date: Wed, 13 Jan 2016 11:44:16 +0530 Message-ID: <1452665657-9412-1-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support to disable the button from DT via status property if given button is not supporting on given platforms. This will help to re-use the existing dtsi file with status enable/disable across platforms. Signed-off-by: Laxman Dewangan --- Changes from V1: - Converted print to dev_dbg. drivers/input/keyboard/gpio_keys.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index bef317f..08bada8 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -632,6 +632,14 @@ gpio_keys_get_devtree_pdata(struct device *dev) for_each_child_of_node(node, pp) { enum of_gpio_flags flags; + /* Ignore the button if status of node is disabled */ + error = of_device_is_available(pp); + if (!error) { + dev_dbg(dev, "Button %s is ignored\n", pp->name); + pdata->nbuttons--; + continue; + } + button = &pdata->buttons[i++]; button->gpio = of_get_gpio_flags(pp, 0, &flags);