From patchwork Tue Sep 15 17:42:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 11777459 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A582392C for ; Tue, 15 Sep 2020 17:47:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9448521D1B for ; Tue, 15 Sep 2020 17:47:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727993AbgIORqr (ORCPT ); Tue, 15 Sep 2020 13:46:47 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:53823 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727915AbgIORoX (ORCPT ); Tue, 15 Sep 2020 13:44:23 -0400 X-IronPort-AV: E=Sophos;i="5.76,430,1592838000"; d="scan'208";a="57345684" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 16 Sep 2020 02:44:17 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 3F28A400753C; Wed, 16 Sep 2020 02:44:15 +0900 (JST) From: Lad Prabhakar To: Jacopo Mondi , Sakari Ailus , Laurent Pinchart , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Biju Das , Lad Prabhakar , Prabhakar Subject: [PATCH v5 2/3] media: i2c: ov772x: Add support for BT.656 mode Date: Tue, 15 Sep 2020 18:42:34 +0100 Message-Id: <20200915174235.1229-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200915174235.1229-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200915174235.1229-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support to read the bus-type for V4L2_MBUS_BT656 and enable BT.656 mode in the sensor if needed. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das --- drivers/media/i2c/ov772x.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 4ab4b3c883d0..869f2d94faec 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -583,6 +583,13 @@ static int ov772x_s_stream(struct v4l2_subdev *sd, int enable) if (priv->streaming == enable) goto done; + if (priv->bus_type == V4L2_MBUS_BT656) { + ret = regmap_update_bits(priv->regmap, COM7, ITU656_ON_OFF, + enable ? ITU656_ON_OFF : ~ITU656_ON_OFF); + if (ret) + goto done; + } + ret = regmap_update_bits(priv->regmap, COM2, SOFT_SLEEP_MODE, enable ? 0 : SOFT_SLEEP_MODE); if (ret) @@ -1436,9 +1443,17 @@ static int ov772x_probe(struct i2c_client *client) ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); priv->bus_type = bus_cfg.bus_type; v4l2_fwnode_endpoint_free(&bus_cfg); + if (ret) { + bus_cfg = (struct v4l2_fwnode_endpoint) + { .bus_type = V4L2_MBUS_BT656 }; + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); + if (ret) { + fwnode_handle_put(ep); + goto error_clk_put; + } + priv->bus_type = bus_cfg.bus_type; + } fwnode_handle_put(ep); - if (ret) - goto error_clk_put; ret = ov772x_video_probe(priv); if (ret < 0)