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authorValentine Barshak <valentine.barshak@cogentembedded.com>2023-02-21 20:10:47 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-03-20 10:55:24 +0300
commitca4331bd0d6d8590d999d2cef93f0bfe9266bb21 (patch)
treecde381821baeeada6fce668901ff584260f9b7fe
parent32fceaa6b73051d5d9bb38a4d37bad3360ce5db7 (diff)
downloadlinux-ca4331bd0d6d8590d999d2cef93f0bfe9266bb21.tar.xz
media: i2c: ov5647: Add test pattern control
This adds V4L2_CID_TEST_PATTERN control support. Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Tommaso Merciai <tomm.merciai@gmail.com> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/media/i2c/ov5647.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c
index 847a7bbb69c5..2a9024ce2682 100644
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -58,6 +58,7 @@
#define OV5647_REG_MIPI_CTRL00 0x4800
#define OV5647_REG_MIPI_CTRL14 0x4814
#define OV5647_REG_AWB 0x5001
+#define OV5647_REG_ISPCTRL3D 0x503d
#define REG_TERM 0xfffe
#define VAL_TERM 0xfe
@@ -116,6 +117,20 @@ static inline struct ov5647 *to_sensor(struct v4l2_subdev *sd)
return container_of(sd, struct ov5647, sd);
}
+static const char * const ov5647_test_pattern_menu[] = {
+ "Disabled",
+ "Color Bars",
+ "Color Squares",
+ "Random Data",
+};
+
+static const u8 ov5647_test_pattern_val[] = {
+ 0x00, /* Disabled */
+ 0x80, /* Color Bars */
+ 0x82, /* Color Squares */
+ 0x81, /* Random Data */
+};
+
static const struct regval_list sensor_oe_disable_regs[] = {
{0x3000, 0x00},
{0x3001, 0x00},
@@ -1242,6 +1257,10 @@ static int ov5647_s_ctrl(struct v4l2_ctrl *ctrl)
ret = ov5647_write16(sd, OV5647_REG_VTS_HI,
sensor->mode->format.height + ctrl->val);
break;
+ case V4L2_CID_TEST_PATTERN:
+ ret = ov5647_write(sd, OV5647_REG_ISPCTRL3D,
+ ov5647_test_pattern_val[ctrl->val]);
+ break;
/* Read-only, but we adjust it based on mode. */
case V4L2_CID_PIXEL_RATE:
@@ -1270,7 +1289,7 @@ static int ov5647_init_controls(struct ov5647 *sensor)
struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd);
int hblank, exposure_max, exposure_def;
- v4l2_ctrl_handler_init(&sensor->ctrls, 8);
+ v4l2_ctrl_handler_init(&sensor->ctrls, 9);
v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 0);
@@ -1314,6 +1333,11 @@ static int ov5647_init_controls(struct ov5647 *sensor)
sensor->mode->vts -
sensor->mode->format.height);
+ v4l2_ctrl_new_std_menu_items(&sensor->ctrls, &ov5647_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(ov5647_test_pattern_menu) - 1,
+ 0, 0, ov5647_test_pattern_menu);
+
if (sensor->ctrls.error)
goto handler_free;