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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 1C5EFC10F14 for ; Thu, 3 Oct 2019 11:40:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E452520830 for ; Thu, 3 Oct 2019 11:40:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="M4k7ZEaO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729823AbfJCLke (ORCPT ); Thu, 3 Oct 2019 07:40:34 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:36205 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725827AbfJCLke (ORCPT ); Thu, 3 Oct 2019 07:40:34 -0400 Received: by mail-wm1-f68.google.com with SMTP id m18so2046363wmc.1 for ; Thu, 03 Oct 2019 04:40:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=gjHdxQE7PtU5YVyM+ycu+GpQGZRZGPXn8KLYV2GOEKk=; b=M4k7ZEaOrA5MBGW706POYnYF+p7UCzDpRDmB6KUX786TBU7kDYHUX5qgxshhoqyUQ8 2h+yx+Wrx3YZkGDqFvQM2n76bQMi7hxDFFVRmqdFwDtmKDBHC0C1V4WbKZFFpmSKiNtk 2dDq1dnYh8JFNYqnHUtvtgqPNTQxV5Pv+CQn+T2oHQ16zT6sk/3UJx4EkxEqfx6KIdLx JZwOvG9EH0TosRqhoWm+SWsNlwtJ0dPhJgNY7whXqUyetzZhUJ0nuNyMddCsl/BYp3T0 IvpjkPZwd5ju/73exB5nEx++DHrubLvNaxZaAJuxkCLT7fv/3wBFAohiAaM+yy6nNT2g 0oNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=gjHdxQE7PtU5YVyM+ycu+GpQGZRZGPXn8KLYV2GOEKk=; b=NZNaLMEho/JthTGZhJMre7vCUqrTIvznJHB8lBLcdZLD3nYSiPNTQudR1CGF8ew2vM VwCwYQNKXoyebyZV6j3bf7hu78XcFxfIuEwl+PHzB1AbQoaENEvCBhKgRuKS0RyKuSde RW0lWfXa0WJSAwQFdXNO7IS9l/sZqrplwrkbCPLnLqXxrsSlwIQpRgLK6bPEDd594Fbi 1E/1D2HOaDn5j0LJjM5/D/YsFsz9Y6fkQYGZYdBAWAUng6+qdM5UrmB9DZ6as4UaF851 8ZY48nd3Mbs8YddoIDmVxWMXoEs+3DByS6fQZGZHnoBmHCn39bmqFe5yOX1fbuOHsVPu L9aw== X-Gm-Message-State: APjAAAVhHbXPsFAoLStPopiVX7fRwjk+4QtkfjpEi2NTap6aqFv4OjIx YyzObrFoyBLFmyvBDvF4yxfQNA== X-Google-Smtp-Source: APXvYqzkSbKbEO08kV+O5J56dhn/FaSKA4qIomPodHv4axxtI0btIULXGYjMIdOtEj1HzR/N8fo89Q== X-Received: by 2002:a7b:c932:: with SMTP id h18mr6111876wml.86.1570102832057; Thu, 03 Oct 2019 04:40:32 -0700 (PDT) Received: from dell ([2.27.167.122]) by smtp.gmail.com with ESMTPSA id q10sm5931600wrd.39.2019.10.03.04.40.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 03 Oct 2019 04:40:31 -0700 (PDT) Date: Thu, 3 Oct 2019 12:40:28 +0100 From: Lee Jones To: Jean-Jacques Hiblot Cc: jacek.anaszewski@gmail.com, pavel@ucw.cz, robh+dt@kernel.org, mark.rutland@arm.com, daniel.thompson@linaro.org, dmurphy@ti.com, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, tomi.valkeinen@ti.com Subject: Re: [PATCH v8 0/5] Add a generic driver for LED-based backlight Message-ID: <20191003114028.GC21172@dell> References: <20191003082812.28491-1-jjhiblot@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191003082812.28491-1-jjhiblot@ti.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org On Thu, 03 Oct 2019, Jean-Jacques Hiblot wrote: > This series aims to add a led-backlight driver, similar to pwm-backlight, > but using a LED class device underneath. > > A few years ago (2015), Tomi Valkeinen posted a series implementing a > backlight driver on top of a LED device: > https://patchwork.kernel.org/patch/7293991/ > https://patchwork.kernel.org/patch/7294001/ > https://patchwork.kernel.org/patch/7293981/ > > The discussion stopped because Tomi lacked the time to work on it. [...] > .../bindings/leds/backlight/led-backlight.txt | 28 ++ > drivers/leds/led-class.c | 98 ++++++- > drivers/video/backlight/Kconfig | 7 + > drivers/video/backlight/Makefile | 1 + > drivers/video/backlight/led_bl.c | 260 ++++++++++++++++++ > include/linux/leds.h | 6 + > 6 files changed, 399 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/leds/backlight/led-backlight.txt > create mode 100644 drivers/video/backlight/led_bl.c How should this set be processed? I'm happy to take it through Backlight via an immutable branch and PR to be consumed by LED. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog