Commit f5c24ca7 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Mauro Carvalho Chehab
Browse files

media: i2c: ov772x: Add test pattern control 



Add support for test pattern control supported by the sensor.

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarJacopo Mondi <jacopo@jmondi.org>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent efcb7dda

drivers/media/i2c/ov772x.c

+16 −1
Original line number Diff line number Diff line
@@ -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

 */
@@ -810,6 +816,9 @@ 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;
@@ -1108,6 +1117,8 @@ 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)
@@ -1444,6 +1455,10 @@ 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;