Add support for test pattern control supported by the sensor.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
---
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 86e542b77ee5..d94cf2d39c2a 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
*/
@@ -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;
--
2.17.1
