Commit b7cd2ba3 authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Hans Verkuil
Browse files

media: ov02c10: Support hflip and vflip 



Support horizontal and vertical flip, which is necessary to handle
upside-down mounted sensors.

Suggested-by: default avatarBryan O'Donoghue <bod@kernel.org>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
Reviewed-by: default avatarBryan O'Donoghue <bod@kernel.org>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarHans Verkuil <hverkuil+cisco@kernel.org>
parent d5ebe3f7

drivers/media/i2c/ov02c10.c

+24 −1
Original line number Diff line number Diff line
@@ -385,6 +385,8 @@ struct ov02c10 { 
	struct v4l2_ctrl *vblank;

	struct v4l2_ctrl *hblank;

	struct v4l2_ctrl *exposure;

	struct v4l2_ctrl *hflip;

	struct v4l2_ctrl *vflip;



	struct clk *img_clk;

	struct gpio_desc *reset;
@@ -462,6 +464,16 @@ static int ov02c10_set_ctrl(struct v4l2_ctrl *ctrl) 
		ret = ov02c10_test_pattern(ov02c10, ctrl->val);

		break;



	case V4L2_CID_HFLIP:

		cci_update_bits(ov02c10->regmap, OV02C10_ROTATE_CONTROL,

				BIT(3), ov02c10->hflip->val << 3, &ret);

		break;



	case V4L2_CID_VFLIP:

		cci_update_bits(ov02c10->regmap, OV02C10_ROTATE_CONTROL,

				BIT(4), ov02c10->vflip->val << 4, &ret);

		break;



	default:

		ret = -EINVAL;

		break;
@@ -485,7 +497,7 @@ static int ov02c10_init_controls(struct ov02c10 *ov02c10) 
	s64 exposure_max, h_blank, pixel_rate;

	int ret;



	v4l2_ctrl_handler_init(ctrl_hdlr, 10);

	v4l2_ctrl_handler_init(ctrl_hdlr, 12);



	ov02c10->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,

						    &ov02c10_ctrl_ops,
@@ -536,6 +548,17 @@ static int ov02c10_init_controls(struct ov02c10 *ov02c10) 
					      exposure_max,

					      OV02C10_EXPOSURE_STEP,

					      exposure_max);



	ov02c10->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov02c10_ctrl_ops,

					   V4L2_CID_HFLIP, 0, 1, 1, 0);

	if (ov02c10->hflip)

		ov02c10->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;



	ov02c10->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov02c10_ctrl_ops,

					   V4L2_CID_VFLIP, 0, 1, 1, 0);

	if (ov02c10->vflip)

		ov02c10->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;



	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov02c10_ctrl_ops,

				     V4L2_CID_TEST_PATTERN,

				     ARRAY_SIZE(ov02c10_test_pattern_menu) - 1,