From patchwork Wed Aug 14 20:28:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11094493 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 928FF1395 for ; Wed, 14 Aug 2019 20:27:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 82A3528837 for ; Wed, 14 Aug 2019 20:27:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7304528834; Wed, 14 Aug 2019 20:27:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A1952883C for ; Wed, 14 Aug 2019 20:27:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729643AbfHNU1W (ORCPT ); Wed, 14 Aug 2019 16:27:22 -0400 Received: from relay9-d.mail.gandi.net ([217.70.183.199]:35937 "EHLO relay9-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729625AbfHNU1V (ORCPT ); Wed, 14 Aug 2019 16:27:21 -0400 X-Originating-IP: 87.5.130.64 Received: from uno.homenet.telecomitalia.it (host64-130-dynamic.5-87-r.retail.telecomitalia.it [87.5.130.64]) (Authenticated sender: jacopo@jmondi.org) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id D59F3FF807; Wed, 14 Aug 2019 20:27:18 +0000 (UTC) From: Jacopo Mondi To: Mauro Carvalho Chehab , Hans Verkuil , Sakari Ailus , Laurent Pinchart Cc: Jacopo Mondi , linux-media@vger.kernel.org (open list:MEDIA INPUT INFRASTRUCTURE (V4L/DVB)), linux-kernel@vger.kernel.org (open list) Subject: [RFC 5/5] media: i2c: ov13858: Report the camera location Date: Wed, 14 Aug 2019 22:28:15 +0200 Message-Id: <20190814202815.32491-6-jacopo@jmondi.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190814202815.32491-1-jacopo@jmondi.org> References: <20190814202815.32491-1-jacopo@jmondi.org> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The camera location is retrieved from the firmware interface parsing the "location" device property and reported through the read-only V4L2_CID_LOCATION control. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ov13858.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c index 45bb872db3c5..6baefc3083e1 100644 --- a/drivers/media/i2c/ov13858.c +++ b/drivers/media/i2c/ov13858.c @@ -1591,6 +1591,7 @@ static int ov13858_init_controls(struct ov13858 *ov13858) struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); struct v4l2_ctrl_handler *ctrl_hdlr; s64 exposure_max; + u32 location; s64 vblank_def; s64 vblank_min; s64 hblank; @@ -1659,6 +1660,16 @@ static int ov13858_init_controls(struct ov13858 *ov13858) V4L2_CID_TEST_PATTERN, ARRAY_SIZE(ov13858_test_pattern_menu) - 1, 0, 0, ov13858_test_pattern_menu); + + ret = device_property_read_u32(&client->dev, "location", &location); + if (!ret) { + v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, + V4L2_CID_LOCATION, V4L2_LOCATION_FRONT, + V4L2_LOCATION_BACK, 1, + location == V4L2_LOCATION_FRONT ? + V4L2_LOCATION_FRONT : V4L2_LOCATION_BACK); + } + if (ctrl_hdlr->error) { ret = ctrl_hdlr->error; dev_err(&client->dev, "%s control init failed (%d)\n",