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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 DC503C4363D for ; Fri, 25 Sep 2020 07:50:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8243D21D7F for ; Fri, 25 Sep 2020 07:50:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=temperror (0-bit key) header.d=phytec.de header.i=@phytec.de header.b="aabP0zdt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727519AbgIYHux (ORCPT ); Fri, 25 Sep 2020 03:50:53 -0400 Received: from mickerik.phytec.de ([195.145.39.210]:61530 "EHLO mickerik.phytec.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727452AbgIYHut (ORCPT ); Fri, 25 Sep 2020 03:50:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; d=phytec.de; s=a1; c=relaxed/simple; q=dns/txt; i=@phytec.de; t=1601020245; x=1603612245; h=From:Sender:Reply-To:Subject:Date:Message-Id:To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=x5Pk/l2MiC1puFAoUsj9YgTJFrLM/W2OzlbBAh4xBcc=; b=aabP0zdtZPlT+FWbirhNwfjksCzPoc91adY+3d35kYVEAdu4FBuBT9JIQ0OI8VqC 7wuDU/mGfgKyuWXOWLXrZ/Q43Qw9mvx2UkNL3a7ZUxKlRCupcvQEHxnQZZjk/dOJ KNj1vJAag77POiLvyYETgO/UPGs04f14QGicyxT7DnY=; X-AuditID: c39127d2-269ff70000001c25-f4-5f6da1551b95 Received: from idefix.phytec.de (Unknown_Domain [172.16.0.10]) by mickerik.phytec.de (PHYTEC Mail Gateway) with SMTP id 6D.A5.07205.551AD6F5; Fri, 25 Sep 2020 09:50:45 +0200 (CEST) Received: from lws-riedmueller.phytec.de ([172.16.23.108]) by idefix.phytec.de (IBM Domino Release 9.0.1FP7) with ESMTP id 2020092509504515-495332 ; Fri, 25 Sep 2020 09:50:45 +0200 From: Stefan Riedmueller To: Laurent Pinchart Cc: Mauro Carvalho Chehab , Sakari Ailus , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Enrico Scholz , Stefan Riedmueller Subject: [PATCH 3/5] media: mt9p031: Implement [gs]_register debug calls Date: Fri, 25 Sep 2020 09:50:27 +0200 Message-Id: <20200925075029.32181-3-s.riedmueller@phytec.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200925075029.32181-1-s.riedmueller@phytec.de> References: <20200925075029.32181-1-s.riedmueller@phytec.de> MIME-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on Idefix/Phytec(Release 9.0.1FP7|August 17, 2016) at 25.09.2020 09:50:45, Serialize by Router on Idefix/Phytec(Release 9.0.1FP7|August 17, 2016) at 25.09.2020 09:50:45 X-TNEFEvaluated: 1 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrJLMWRmVeSWpSXmKPExsWyRoCBSzd0YW68wY4+EYu9xy6wWHROXMJu cXnXHDaLng1bWS2WbfrDZPFpyzcmBzaP2R0zWT02repk85h3MtBjxcr/TB6fN8kFsEZx2aSk 5mSWpRbp2yVwZbzZc5WpoIO/YtO/VtYGxvs8XYycHBICJhKf701gBLGFBLYxSmw5WNDFyAVk X2OUePZrGztIgk3ASGLBtEYmEFtEwEKid9F0sAZmga+MEuvOZoPYwgIeEo2NK8DqWQRUJZYt 6WQFsXkFbCROvf3GCLFMXmLmpe9gNZwCthJH355nglhsI/Fix19GiHpBiZMzn7CAHCEhcIVR ov/UDDaIZiGJ04vPMkMs1pZYtvA18wRGgVlIemYhSS1gZFrFKJSbmZydWpSZrVeQUVmSmqyX krqJERi8hyeqX9rB2DfH4xAjEwfjIUYJDmYlEd7jG3LihXhTEiurUovy44tKc1KLDzFKc7Ao ifNu4C0JExJITyxJzU5NLUgtgskycXBKNTAuvRvCLuG22kauZ6Z8d4Fu35+2Q2Zx7lXrPh0L ThDY2aGs8s989fMbv3fasogqZH1QWmwmeuiY+IxYwZzcL7M6Dcuc3fiX54m4PFawO1ItZ79v m9gXl7YzLY2fPMRVZn/6+EJwve3Kj86Mm2+xHQ3asJCT4Y9PuMaLxuj/ey9zLT17YovCvhIl luKMREMt5qLiRADUtBXmTAIAAA== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Enrico Scholz Implement g=5Fregister and s=5Fregister v4l2=5Fsubdev=5Fcore=5Fops to access camera register directly from userspace for debug purposes. Signed-off-by: Enrico Scholz Signed-off-by: Stefan Riedmueller --- drivers/media/i2c/mt9p031.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index ce192be4531f..f5d6a7890c47 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -703,6 +703,30 @@ static int mt9p031=5Frestore=5Fblc(struct mt9p031 *mt9= p031) return 0; } =20 +#ifdef CONFIG=5FVIDEO=5FADV=5FDEBUG +static int mt9p031=5Fg=5Fregister(struct v4l2=5Fsubdev *sd, + struct v4l2=5Fdbg=5Fregister *reg) +{ + struct i2c=5Fclient *client =3D v4l2=5Fget=5Fsubdevdata(sd); + int ret; + + ret =3D mt9p031=5Fread(client, reg->reg); + if (ret < 0) + return ret; + + reg->val =3D ret; + return 0; +} + +static int mt9p031=5Fs=5Fregister(struct v4l2=5Fsubdev *sd, + struct v4l2=5Fdbg=5Fregister const *reg) +{ + struct i2c=5Fclient *client =3D v4l2=5Fget=5Fsubdevdata(sd); + + return mt9p031=5Fwrite(client, reg->reg, reg->val); +} +#endif + static int mt9p031=5Fs=5Fctrl(struct v4l2=5Fctrl *ctrl) { struct mt9p031 *mt9p031 =3D @@ -1000,6 +1024,10 @@ static int mt9p031=5Fclose(struct v4l2=5Fsubdev *sub= dev, struct v4l2=5Fsubdev=5Ffh *fh) =20 static const struct v4l2=5Fsubdev=5Fcore=5Fops mt9p031=5Fsubdev=5Fcore=5Fo= ps =3D { .s=5Fpower =3D mt9p031=5Fset=5Fpower, +#ifdef CONFIG=5FVIDEO=5FADV=5FDEBUG + .s=5Fregister =3D mt9p031=5Fs=5Fregister, + .g=5Fregister =3D mt9p031=5Fg=5Fregister, +#endif }; =20 static const struct v4l2=5Fsubdev=5Fvideo=5Fops mt9p031=5Fsubdev=5Fvideo= =5Fops =3D { --=20 2.25.1