From patchwork Tue Sep 15 17:42:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 11777479 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 42C7E92C for ; Tue, 15 Sep 2020 17:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C389221E7 for ; Tue, 15 Sep 2020 17:57:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727986AbgIORqq (ORCPT ); Tue, 15 Sep 2020 13:46:46 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:28656 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727958AbgIORoX (ORCPT ); Tue, 15 Sep 2020 13:44:23 -0400 X-IronPort-AV: E=Sophos;i="5.76,430,1592838000"; d="scan'208";a="57128212" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 16 Sep 2020 02:44:19 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id A1C23400753C; Wed, 16 Sep 2020 02:44:17 +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 3/3] media: i2c: ov772x: Add test pattern control Date: Tue, 15 Sep 2020 18:42:35 +0100 Message-Id: <20200915174235.1229-4-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 for test pattern control supported by the sensor. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das Reviewed-by: Jacopo Mondi --- drivers/media/i2c/ov772x.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 869f2d94faec..3f68801692f4 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -227,7 +227,7 @@ /* COM3 */ #define SWAP_MASK (SWAP_RGB | SWAP_YUV | SWAP_ML) -#define IMG_MASK (VFLIP_IMG | HFLIP_IMG) +#define IMG_MASK (VFLIP_IMG | HFLIP_IMG | SCOLOR_TEST) #define VFLIP_IMG 0x80 /* Vertical flip image ON/OFF selection */ #define HFLIP_IMG 0x40 /* Horizontal mirror image ON/OFF selection */ @@ -425,6 +425,7 @@ struct ov772x_priv { const struct ov772x_win_size *win; struct v4l2_ctrl *vflip_ctrl; struct v4l2_ctrl *hflip_ctrl; + unsigned int test_pattern; /* band_filter = COM8[5] ? 256 - BDBASE : 0 */ struct v4l2_ctrl *band_filter_ctrl; unsigned int fps; @@ -540,6 +541,11 @@ static const struct ov772x_win_size ov772x_win_sizes[] = { }, }; +static const char * const ov772x_test_pattern_menu[] = { + "Disabled", + "Vertical Color Bar Type 1", +}; + /* * frame rate settings lists */ @@ -809,6 +815,9 @@ static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl) } return ret; + case V4L2_CID_TEST_PATTERN: + priv->test_pattern = ctrl->val; + return 0; } return -EINVAL; @@ -1107,6 +1116,8 @@ static int ov772x_set_params(struct ov772x_priv *priv, val ^= VFLIP_IMG; if (priv->hflip_ctrl->val) val ^= HFLIP_IMG; + if (priv->test_pattern) + val |= SCOLOR_TEST; ret = regmap_update_bits(priv->regmap, COM3, SWAP_MASK | IMG_MASK, val); if (ret < 0) @@ -1405,6 +1416,10 @@ static int ov772x_probe(struct i2c_client *client) priv->band_filter_ctrl = v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops, V4L2_CID_BAND_STOP_FILTER, 0, 256, 1, 0); + v4l2_ctrl_new_std_menu_items(&priv->hdl, &ov772x_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov772x_test_pattern_menu) - 1, + 0, 0, ov772x_test_pattern_menu); priv->subdev.ctrl_handler = &priv->hdl; if (priv->hdl.error) { ret = priv->hdl.error;