From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934103AbcALLnU (ORCPT ); Tue, 12 Jan 2016 06:43:20 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:9438 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933396AbcALLnS (ORCPT ); Tue, 12 Jan 2016 06:43:18 -0500 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Tue, 12 Jan 2016 03:26:08 -0800 From: Laxman Dewangan To: , CC: , , , , , , , , , Laxman Dewangan Subject: [PATCH 1/2] input: gpio-keys: add support for disable button from DT Date: Tue, 12 Jan 2016 17:02:49 +0530 Message-ID: <1452598370-28509-1-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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..cf068cb 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_info(dev, "Button %s is ignored\n", pp->name); + pdata->nbuttons--; + continue; + } + button = &pdata->buttons[i++]; button->gpio = of_get_gpio_flags(pp, 0, &flags); -- 2.1.4