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=-5.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7D134C433FE for ; Tue, 21 Sep 2021 14:56:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55481610A0 for ; Tue, 21 Sep 2021 14:56:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233770AbhIUO5r (ORCPT ); Tue, 21 Sep 2021 10:57:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233751AbhIUO5r (ORCPT ); Tue, 21 Sep 2021 10:57:47 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E3E5C061574 for ; Tue, 21 Sep 2021 07:56:18 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id u15so40048424wru.6 for ; Tue, 21 Sep 2021 07:56:18 -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; bh=Uy/6vpAUKhCQrg81XG5Al3uBoXiNf0Mz5dJc/PJ/1Oo=; b=inwX55DyAUgJ5+/69FFQ5BYIFwpAEpPaNG5iUXLgI9Xx2QUcCzH3GiU03HfEj2LI0e qULLRtnz8pRXEtVEGBeiKj9+uiTYiTUFXpLcis2a9BBM01JdTgCa/ERr9ANh+2AY5m5/ e8ZCbXtASjaNOpOkLp94OMpaFrrvdWD+B1REo6iIAjHq5DvhQn9fx/Oi2Ny0gGl1IqhZ oA8omaGlRrNw7uY44M1ZGwm6nSWSXZvx45U8dYvauqZ8gu3qSmpYzWZFTWY6clpmDTWo 4RhKh65OdHy6+OkNXArCmGdvTOQZmLpi5VZd9JEuOhL82m7pMpORjtL+91x+bhe6oQnM +pew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=Uy/6vpAUKhCQrg81XG5Al3uBoXiNf0Mz5dJc/PJ/1Oo=; b=ebE0AvWGjCAm6Xk/4vWIzI2bXU5JF7rpzWoZLNm7OmcmQLGGCVn7bIO7r+WL3TnNNF 1nf8mlosBYMBYpIbI/4qgxNOGO3v05zT9MF+IHOrlM5wuw7ABIir+ZdOzWYXxWUEMcMp ysLhICmNsPP/dUBgzLoTr1keOAlbHLPJB+ZlDn90PV7WTfKSvoJLN/lpdQlCsqWJYKL6 0A2x4FZF6CN695iLwOylALTWFmRtCw0K609vQ4ljojXZpyTQziL0mwrOxNDHAHpSx8xe kwHSf5GWYXxM48EtKxmdJM4tRWz3XI+pOsdgNO2XefTf8kkdvZtwl3i+iZcPAaK8ad23 MkWQ== X-Gm-Message-State: AOAM531GUInCGkNUruOiTKpct8KsZLlgujL5PZADsX/d06uhE0LRAJkF jZLANxmPsKyfwkccWtOulT78aEbhSK4opw== X-Google-Smtp-Source: ABdhPJxwyJfqbv3VS2qWqfkrpeWNt0/HGXMc8xJMgFLQyg5ZWJYmS0L9SbXC8wwBEt/xh1Dd4Dt+5w== X-Received: by 2002:adf:e390:: with SMTP id e16mr35385598wrm.217.1632236175859; Tue, 21 Sep 2021 07:56:15 -0700 (PDT) Received: from google.com ([95.148.6.233]) by smtp.gmail.com with ESMTPSA id 135sm3191822wma.32.2021.09.21.07.56.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Sep 2021 07:56:15 -0700 (PDT) Date: Tue, 21 Sep 2021 15:56:13 +0100 From: Lee Jones To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Daniel Thompson , Jingoo Han , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] backlight: propagate errors from get_brightness() Message-ID: References: <20210907124751.6404-1-linux@weissschuh.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org On Tue, 21 Sep 2021, Thomas Weißschuh wrote: > On 2021-09-07T14:47+0200, Thomas Weißschuh wrote: > > backlight.h documents "struct backlight_ops->get_brightness()" to return > > a negative errno on failure. > > So far these errors have not been handled in the backlight core. > > This leads to negative values being exposed through sysfs although only > > positive values are documented to be reported. > > > [..] > > Friendly ping. Don't do that. If you think the submission has been forgotten about (it hasn't), then please submit a [RESEND]. As it happens, this is on my TOREVEW list. I just need to get around to it post-vacation. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog