The ov2640 has the test pattern generator features. This makes use of
it through V4L2_CID_TEST_PATTERN control.
Cc: Sakari Ailus <sakari.ai...@linux.intel.com>
Cc: Mauro Carvalho Chehab <mche...@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.m...@gmail.com>
---
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 20a8853..4992d77 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",
+ "Color bar",
+};
+
/*
* 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;
--
2.7.4
