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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3752BC4332F for ; Fri, 16 Dec 2022 14:15:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230520AbiLPOPY (ORCPT ); Fri, 16 Dec 2022 09:15:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230476AbiLPOPX (ORCPT ); Fri, 16 Dec 2022 09:15:23 -0500 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B032C13D3E; Fri, 16 Dec 2022 06:15:22 -0800 (PST) X-IronPort-AV: E=McAfee;i="6500,9779,10563"; a="302396677" X-IronPort-AV: E=Sophos;i="5.96,249,1665471600"; d="scan'208";a="302396677" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2022 06:15:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10563"; a="682307431" X-IronPort-AV: E=Sophos;i="5.96,249,1665471600"; d="scan'208";a="682307431" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga001.jf.intel.com with ESMTP; 16 Dec 2022 06:15:12 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1p6BUT-00At4n-24; Fri, 16 Dec 2022 16:15:09 +0200 Date: Fri, 16 Dec 2022 16:15:09 +0200 From: Andy Shevchenko To: Hans de Goede Cc: Mark Gross , Pavel Machek , Lee Jones , Linus Walleij , Daniel Scally , Laurent Pinchart , Mauro Carvalho Chehab , Sakari Ailus , platform-driver-x86@vger.kernel.org, linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org, Kate Hsuan , Mark Pearson , Andy Yeh , Yao Hao , linux-media@vger.kernel.org Subject: Re: [PATCH v3 05/11] leds: led-class: Add generic [devm_]led_get() Message-ID: References: <20221216113013.126881-1-hdegoede@redhat.com> <20221216113013.126881-6-hdegoede@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221216113013.126881-6-hdegoede@redhat.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org On Fri, Dec 16, 2022 at 12:30:07PM +0100, Hans de Goede wrote: > Add a generic [devm_]led_get() method which can be used on both devicetree > and non devicetree platforms to get a LED classdev associated with > a specific function on a specific device, e.g. the privacy LED associated > with a specific camera sensor. > > Note unlike of_led_get() this takes a string describing the function > rather then an index. This is done because e.g. camera sensors might > have a privacy LED, or a flash LED, or both and using an index > approach leaves it unclear what the function of index 0 is if there is > only 1 LED. The existing of support is extended to also support > getting a LED by function-name using the standard devicetree pattern > of adding a -names string array to map names to the indexes. > > For non devicetree platforms a lookup-table mechanism is added to > allow the platform code to map specific LED class_dev-s to specific > device,function combinations this way. ... > +void led_remove_lookup(struct led_lookup_data *led_lookup) > +{ > + mutex_lock(&leds_lookup_lock); > + list_del(&led_lookup->list); Perhaps list_del_init(). Some thoughts about this in the one of the following comments. > + mutex_unlock(&leds_lookup_lock); > +} -- With Best Regards, Andy Shevchenko