From 6210500691b21e1f755b0076dd54fdb31236e2de Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 12 Nov 2018 11:00:50 -0500 Subject: [PATCH] media: ov2640: add V4L2_CID_TEST_PATTERN control The ov2640 has the test pattern generator features. This makes use of it through V4L2_CID_TEST_PATTERN control. [Sakari Ailus: Use "Eight Vertical Colour Bars" as the second manu entry] Signed-off-by: Akinobu Mita Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/ov2640.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov2640.c b/drivers/media/i2c/ov2640.c index 20a8853ba1e2..ca2c27d5e9a2 100644 --- a/drivers/media/i2c/ov2640.c +++ b/drivers/media/i2c/ov2640.c @@ -705,6 +705,11 @@ static int ov2640_reset(struct i2c_client *client) return ret; } +static const char * const ov2640_test_pattern_menu[] = { + "Disabled", + "Eight Vertical Colour Bars", +}; + /* * functions */ @@ -740,6 +745,9 @@ static int ov2640_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_HFLIP: val = ctrl->val ? REG04_HFLIP_IMG : 0x00; return ov2640_mask_set(client, REG04, REG04_HFLIP_IMG, val); + case V4L2_CID_TEST_PATTERN: + val = ctrl->val ? COM7_COLOR_BAR_TEST : 0x00; + return ov2640_mask_set(client, COM7, COM7_COLOR_BAR_TEST, val); } return -EINVAL; @@ -1184,12 +1192,16 @@ static int ov2640_probe(struct i2c_client *client, v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops); priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; mutex_init(&priv->lock); - v4l2_ctrl_handler_init(&priv->hdl, 2); + v4l2_ctrl_handler_init(&priv->hdl, 3); priv->hdl.lock = &priv->lock; v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std_menu_items(&priv->hdl, &ov2640_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov2640_test_pattern_menu) - 1, 0, 0, + ov2640_test_pattern_menu); priv->subdev.ctrl_handler = &priv->hdl; if (priv->hdl.error) { ret = priv->hdl.error; -- 2.45.2