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[209.132.180.67]) by mx.google.com with ESMTP id q5si290843ejb.174.2019.10.03.04.41.26; Thu, 03 Oct 2019 04:41:51 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=M4k7ZEaO; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730064AbfJCLkf (ORCPT + 99 others); Thu, 3 Oct 2019 07:40:35 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:35780 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729820AbfJCLkf (ORCPT ); Thu, 3 Oct 2019 07:40:35 -0400 Received: by mail-wm1-f66.google.com with SMTP id y21so2048720wmi.0 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=QzPDT5IZ//ghXSdtwEKFlcM7+Ewq9ngBxHOWPT6aVzqB98REyTQlTbavM9hHy4wuCU 1r4rxW0t9KUWp151Kx33ix+L5SOgZrBa7Zlh907XInz8UZXieTvQvPEl5IeY1f0Mzd4p epkar2gbNWtvruDRc+Z06eUw6DvmpIi5WtuLh9Sd0wxBl7dVN4kJYW1KakZBgwHhjeLg 697Xl/oYMKtjAa9Ftb8h8IqnPFJAzMBlqQlMpHnfVspVbsyky0/tAPL4ItrUUvJVj9J5 CMRyI6fWWQA1OZkvAMHYZ3Ulks6rFm2ayBIB3oYm6GqBalLd9OZgOZoIHsvzqqVOpjQf VQRQ== X-Gm-Message-State: APjAAAVU97mfKMkl0QKMl8A+YCUXLWNcF3lbx55poF15co0f8yK7LVry OO1BhA7wj48OXE5lqYyBu2OZuA== 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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