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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 7DF87C38A29 for ; Sat, 18 Apr 2020 15:26:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59E1E21D6C for ; Sat, 18 Apr 2020 15:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587223619; bh=UToh5bpko5cIz91yyHb5mNzyWcbEpQGrn0ubRDCJZmQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=laHPbcIWX5k5Sjw9Zn2TlecyDVvuTaSUocDRS6UbZWEB+4BWDHDXOJc9oCNKFGB8X inQw01hxl5GcEXEGa4SZHh9x9Ze3a9FE43f3aE0Ddov/yqQeYlNr7843NMx2O1eckr baHu3hoBuc2O3aeKXhyoWGr/K/n4QcHlgI+SZgCA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726105AbgDRP06 (ORCPT ); Sat, 18 Apr 2020 11:26:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:54494 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725903AbgDRP06 (ORCPT ); Sat, 18 Apr 2020 11:26:58 -0400 Received: from coco.lan (ip5f5ad4d8.dynamic.kabel-deutschland.de [95.90.212.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 608DD20732; Sat, 18 Apr 2020 15:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587223617; bh=UToh5bpko5cIz91yyHb5mNzyWcbEpQGrn0ubRDCJZmQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=M00WL0mH4C9/TrbuQgZvoVp43V2YfSYnBa/RtzZ+7HNABivfY6uMEml2Q1QTKdEEg XDQQSjBvrbtJj7NgKeblWmzPryuGfGzJhpPEFfZX7xFtHELDXaDPSPuqGB3M64u84d uDP2fI8guoIQFOeFRUIX4ZBZK84jviM2HlAU3WvM= Date: Sat, 18 Apr 2020 17:26:54 +0200 From: Mauro Carvalho Chehab To: Patrik Gfeller Cc: linux-media@vger.kernel.org Subject: Re: atomisp kernel driver(s) Message-ID: <20200418172654.74a1eeea@coco.lan> In-Reply-To: <20200418172549.7cca07a7@coco.lan> References: <20200418172549.7cca07a7@coco.lan> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Em Sat, 18 Apr 2020 17:25:49 +0200 Mauro Carvalho Chehab escreveu: > Em Sat, 18 Apr 2020 16:39:25 +0200 > Patrik Gfeller escreveu: > > > Hello Mauro et al, > > > > I've recently switched to Linux, and I'm very impressed. Almost > > everything thing works out of the box. Only the webcam on my device does > > not. I did some digging and if I'm right an atomisp driver would be > > required. Is this correct? Below the output of lspci: > > > > 00:00.0 Host bridge: Intel Corporation Atom/Celeron/Pentium Processor > > x5-E8000/J3xxx/N3xxx Series SoC Transaction Register (rev 36) 00:02.0 > > VGA compatible controller: Intel Corporation Atom/Celeron/Pentium > > Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 36) > > 00:03.0 Multimedia controller: Intel Corporation Atom/Celeron/Pentium > > Processor x5-E8000/J3xxx/N3xxx Series Imaging Unit (rev 36) 00:0a.0 > > Non-VGA unclassified device: Intel Corporation Device 22d8 (rev 36) > > 00:0b.0 Signal processing controller: Intel Corporation > > Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Power > > Management Controller (rev 36) 00:14.0 USB controller: Intel Corporation > > Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series USB xHCI > > Controller (rev 36) 00:1a.0 Encryption controller: Intel Corporation > > Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Trusted > > Execution Engine (rev 36) 00:1c.0 PCI bridge: Intel Corporation > > Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Express > > Port #1 (rev 36) 00:1f.0 ISA bridge: Intel Corporation > > Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCU (rev 36) > > 01:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless > > Network Adapter (rev 31) > > > > According to the history it looks like the driver was removed from the > > kernel in 2018 and replaced with a dummy driver (to make sure power save > > works). > > > > Is there a chance that the atomisp driver will return to the kernel? > > There are quite a few older tablets and 2in1 devices that would benefit. > > Unfortunately I do not understand the removed code (my coding skills are > > very basic) and can thus not help to change what ever is necessary to > > make it fit for the kernel :-( (does not sound like a beginner project). > > However - I would be glad to help out to help testing an ISP driver. > > There are simply too many things there to be fixed, and nobody without > time for it. Also, the last reports we had is that the driver was not > working. > > Unfortunately, I don't have myself any atomisp hardware, otherwise I > could try fixing it on my spare time. In time: not really sure if it would be a worth project, as newer Intel hardware are coming with a different IP block (IPU3). Thanks, Mauro