From patchwork Wed Mar 7 09:48:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: linux-kernel-dev X-Patchwork-Id: 882521 X-Patchwork-Delegate: sjg@chromium.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=beckhoff.com Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3zx8541yLQz9sd6 for ; Wed, 7 Mar 2018 20:49:59 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id B112AC21ED5; Wed, 7 Mar 2018 09:49:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 86166C21F27; Wed, 7 Mar 2018 09:48:26 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 5CE69C21DD3; Wed, 7 Mar 2018 09:48:24 +0000 (UTC) Received: from Netsrv01.beckhoff.com (netsrv01.beckhoff.com [62.159.14.10]) by lists.denx.de (Postfix) with ESMTPS id 13F70C21C2C for ; Wed, 7 Mar 2018 09:48:24 +0000 (UTC) Received: from lbs1.beckhoff.com (172.17.64.210) by NT-Mail02.beckhoff.com (10.1.0.27) with Microsoft SMTP Server (TLS) id 14.3.301.0; Wed, 7 Mar 2018 10:48:23 +0100 From: To: Date: Wed, 7 Mar 2018 10:48:15 +0100 Message-ID: <20180307094815.32215-3-linux-kernel-dev@beckhoff.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180307094815.32215-1-linux-kernel-dev@beckhoff.com> References: <20180307094815.32215-1-linux-kernel-dev@beckhoff.com> MIME-Version: 1.0 X-Originating-IP: [172.17.64.210] X-OLX-Disclaimer: Done Cc: Ziping Chen , Patrick Bruenn Subject: [U-Boot] [PATCH 2/2] dm: led: auto probe() LEDs with "default-state" X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" From: Patrick Bruenn To avoid board specificy LED activation code, automatically activate gpio-leds with "default-state" property during bind(). Signed-off-by: Patrick Bruenn --- drivers/led/led_gpio.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/led/led_gpio.c b/drivers/led/led_gpio.c index e68d8d3864..d2fe3d5ad5 100644 --- a/drivers/led/led_gpio.c +++ b/drivers/led/led_gpio.c @@ -11,6 +11,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -120,6 +121,14 @@ static int led_gpio_bind(struct udevice *parent) return ret; uc_plat = dev_get_uclass_platdata(dev); uc_plat->label = label; + + if (ofnode_read_string(node, "default-state")) { + struct udevice *devp; + + ret = uclass_get_device_tail(dev, 0, &devp); + if (ret) + return ret; + } } return 0;