linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
To: Jacopo Mondi <jacopo@jmondi.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-renesas-soc@vger.kernel.org,
	Biju Das <biju.das.jz@bp.renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Prabhakar <prabhakar.csengg@gmail.com>
Subject: [PATCH v5 3/3] media: i2c: ov772x: Add test pattern control
Date: Tue, 15 Sep 2020 18:42:35 +0100	[thread overview]
Message-ID: <20200915174235.1229-4-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)
In-Reply-To: <20200915174235.1229-1-prabhakar.mahadev-lad.rj@bp.renesas.com>

Add support for test pattern control supported by the sensor.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
 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;
-- 
2.17.1


      parent reply	other threads:[~2020-09-15 18:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15 17:42 [PATCH v5 0/3] media: i2c: ov772x: Enable BT.656 mode and test pattern support Lad Prabhakar
2020-09-15 17:42 ` [PATCH v5 1/3] media: i2c: ov772x: Parse endpoint properties Lad Prabhakar
2020-09-16  7:47   ` Jacopo Mondi
2020-09-16  8:30     ` Jacopo Mondi
2020-09-15 17:42 ` [PATCH v5 2/3] media: i2c: ov772x: Add support for BT.656 mode Lad Prabhakar
2020-09-16  8:24   ` Jacopo Mondi
2020-09-15 17:42 ` Lad Prabhakar [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200915174235.1229-4-prabhakar.mahadev-lad.rj@bp.renesas.com \
    --to=prabhakar.mahadev-lad.rj@bp.renesas.com \
    --cc=biju.das.jz@bp.renesas.com \
    --cc=jacopo@jmondi.org \
    --cc=laurent.pinchart+renesas@ideasonboard.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-renesas-soc@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=prabhakar.csengg@gmail.com \
    --cc=sakari.ailus@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).