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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A364FC433EF for ; Sat, 13 Nov 2021 00:02:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83F1361073 for ; Sat, 13 Nov 2021 00:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231576AbhKMAFs (ORCPT ); Fri, 12 Nov 2021 19:05:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231261AbhKMAFr (ORCPT ); Fri, 12 Nov 2021 19:05:47 -0500 Received: from mail-ot1-x334.google.com (mail-ot1-x334.google.com [IPv6:2607:f8b0:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E4FAC061766 for ; Fri, 12 Nov 2021 16:02:56 -0800 (PST) Received: by mail-ot1-x334.google.com with SMTP id x19-20020a9d7053000000b0055c8b39420bso16267380otj.1 for ; Fri, 12 Nov 2021 16:02:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gkk1rjhL1I6X59DftLAEvD8sjTiy4rXyvl7+aSKoimc=; b=oW4Yzti1UBzbgMHz7siKH+TwfvVQQvtxODOsKPbKEvtbca1Z4tOEd3DaEKRTxvONLM CSHQnvrlql9PF0IWxhMYHViX3dnInGRvCnR8o7lv5h6Zea661saATrf0TKm+joz+jvuf 0E5+AjqTlxr/NmxbyDTRgrZRqQsQZaQRwcN44= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gkk1rjhL1I6X59DftLAEvD8sjTiy4rXyvl7+aSKoimc=; b=KnN/vRwCDFVeueKwa54ycKwrPvt+J0bCfW2H7pcsCJwtTBZtPT8wHwZghbSYWQeFsS 95tzt6bMrcJsinLZLcBaDZYA11m+nx9irjH6O3Dllb7XI7a0VjhBjV+FSIOEeL09LD1+ OsfzrhNzYplFScaGg6fu1CnzcX1KPD5nl8Ry8DSbOoQTA/hzs8ChssCp2HTmXk8l/3v5 QnHE3bNzQ8Zoz0rwg8PzeSOgi+/VytKtMuHDarL0v0vsRxcif5BZz9ACsJfwdbKenXpd WmdNUJ1HQk0T5mf1hhCyre622ciGdFFJI063Rx+u248frTajN0oIeeYL0O+30sJMuj7t DerA== X-Gm-Message-State: AOAM5305IMuPlXyjA3lya/PDG0TM65jej5F/Cnpfw0qB9zS7YjDmMy17 pFgoPRcpcv/dkfnLscMhejd58MUvNJdf4ShI X-Google-Smtp-Source: ABdhPJwS+yzcHlzVhigilv/IYD3Al4z6zkf8N/cgbNt6WGfQpCCia/hWLnqcRalxniXhM+RGjV0kkg== X-Received: by 2002:a05:6830:1cc:: with SMTP id r12mr15480102ota.76.1636761775325; Fri, 12 Nov 2021 16:02:55 -0800 (PST) Received: from mail-oi1-f170.google.com (mail-oi1-f170.google.com. [209.85.167.170]) by smtp.gmail.com with ESMTPSA id a6sm1068433otr.64.2021.11.12.16.02.54 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Nov 2021 16:02:54 -0800 (PST) Received: by mail-oi1-f170.google.com with SMTP id be32so20833324oib.11 for ; Fri, 12 Nov 2021 16:02:54 -0800 (PST) X-Received: by 2002:a05:6808:6ce:: with SMTP id m14mr16028707oih.134.1636761774029; Fri, 12 Nov 2021 16:02:54 -0800 (PST) MIME-Version: 1.0 References: <20211112195710.286151-1-ribalda@chromium.org> In-Reply-To: From: Ricardo Ribalda Date: Sat, 13 Nov 2021 01:02:43 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2] media: uvcvideo: Set the colorspace as sRGB if undefined To: James Hilliard Cc: Hans Verkuil , Laurent Pinchart , linux-media@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi On Sat, 13 Nov 2021 at 00:59, James Hilliard wrote: > > On Fri, Nov 12, 2021 at 4:50 PM Ricardo Ribalda wrote: > > > > HI James > > > > You are getting -EPROTO while trying to get the current value of a > > control. I believe this is a hardware/firmware error. > > Hmm, any idea why v4l2-compliance passes some of the time but not > always? Race condition in the firmware? Not enough current to complete a request and end up in some kind of brown-out? It is difficult to know without access to the hardware :) Maybe you can replicate what causes the error with just v4l-ctl calls and then ping the manufacturer with a simple repro. > > > > > > > Best regards! -- Ricardo Ribalda