From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99E1DC04EB8 for ; Mon, 10 Dec 2018 09:30:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DF9D20855 for ; Mon, 10 Dec 2018 09:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544434238; bh=s0L2ctp383dyFhHV7ZVo1lYfPGGW+6kPPONxHu26wHs=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=wk2H1MApZrJib+6wUjb4JnEvRpGSqj7fByNS4kLZg5ImWWOURZSBeVh+DRYmchK1l wad6FenZIvtxqNFKwNJJTbP7/OJpyG0NVnXPd0NzIjS1NqcJSYfV/1vFLxoCc4uxN8 L71SUU3pArsWQgwkMvb5D6DAS5eEWXktm9h/TwLA= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5DF9D20855 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727146AbeLJJaO (ORCPT ); Mon, 10 Dec 2018 04:30:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:51890 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727123AbeLJJaM (ORCPT ); Mon, 10 Dec 2018 04:30:12 -0500 Received: from PC-kkoz.proceq.com (unknown [213.160.61.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2742720874; Mon, 10 Dec 2018 09:30:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544434211; bh=s0L2ctp383dyFhHV7ZVo1lYfPGGW+6kPPONxHu26wHs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=IwYZ/JK3Sy2ktaNRx/FmMqy2hsxS6Kp4oDZd+Q3aFF3ZSyEsCQIWxAt6In+Rmdzjx hIzWkrvXWqvTQz1MpR/MXcf8L3YYe9BnDZ5hRJYSF9F1WbnEZsqAxIqSb55lGEpJgO rDTCyvq7GshrWpsqX+A5XB0nNX73+An7pEIVogGg= From: Krzysztof Kozlowski To: Jacek Anaszewski , Pavel Machek , Rob Herring , Mark Rutland , Baolin Wang , Krzysztof Kozlowski , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/5] led: triggers: Add LED_INIT_DEFAULT_TRIGGER flag Date: Mon, 10 Dec 2018 10:29:58 +0100 Message-Id: <1544434201-14190-3-git-send-email-krzk@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1544434201-14190-1-git-send-email-krzk@kernel.org> References: <1544434201-14190-1-git-send-email-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jacek Anaszewski Add the flag LED_INIT_DEFAULT_TRIGGER for indicating that trigger being set is a default trigger for the LED class device, and thus it should be initialized with settings provided in the fwnode. Set the flag in the led_trigger_set_default(). It is expected to be cleared in the activate() op of a trigger after trigger fwnode initialization data is parsed and applied. This should happen only once after LED class device registration, to allow leaving triggers in the idle state on re-apply and let the users apply their own settings without being interfered with the default ones. Signed-off-by: Jacek Anaszewski Acked-by: Pavel Machek Signed-off-by: Krzysztof Kozlowski --- drivers/leds/led-triggers.c | 2 ++ include/linux/leds.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 52b12e601ebe..9421222ca7a0 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -201,10 +201,12 @@ void led_trigger_set_default(struct led_classdev *led_cdev) down_write(&led_cdev->trigger_lock); list_for_each_entry(trig, &trigger_list, next_trig) { if (!strcmp(led_cdev->default_trigger, trig->name)) { + led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER; led_trigger_set(led_cdev, trig); break; } } + up_write(&led_cdev->trigger_lock); up_read(&triggers_list_lock); } diff --git a/include/linux/leds.h b/include/linux/leds.h index 580cbaef789a..5263f87e1d2c 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -51,6 +51,7 @@ struct led_classdev { #define LED_PANIC_INDICATOR BIT(20) #define LED_BRIGHT_HW_CHANGED BIT(21) #define LED_RETAIN_AT_SHUTDOWN BIT(22) +#define LED_INIT_DEFAULT_TRIGGER BIT(23) /* set_brightness_work / blink_timer flags, atomic, private. */ unsigned long work_flags; -- 2.7.4