From: Mylène Josserand <mylene.josser...@bootlin.com>
Add the auto-focus ENABLE/DISABLE feature as V4L2 control.
Disabled by default.
Signed-off-by: Mylène Josserand <mylene.josser...@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
---
drivers/media/i2c/ov5640.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index e2dd352224c7..f5e867d47ab8 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -80,8 +80,9 @@
#define OV5640_REG_POLARITY_CTRL00 0x4740
#define OV5640_REG_MIPI_CTRL00 0x4800
#define OV5640_REG_DEBUG_MODE 0x4814
-#define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f
+#define OV5640_REG_ISP_CTRL03 0x5003
#define OV5640_REG_PRE_ISP_TEST_SET1 0x503d
+#define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f
#define OV5640_REG_SDE_CTRL0 0x5580
#define OV5640_REG_SDE_CTRL1 0x5581
#define OV5640_REG_SDE_CTRL3 0x5583
@@ -183,6 +184,7 @@ struct ov5640_ctrls {
struct v4l2_ctrl *auto_gain;
struct v4l2_ctrl *gain;
};
+ struct v4l2_ctrl *auto_focus;
struct v4l2_ctrl *brightness;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *contrast;
@@ -2094,6 +2096,12 @@ static int ov5640_set_ctrl_test_pattern(struct
ov5640_dev *sensor, int value)
0xa4, value ? 0xa4 : 0);
}
+static int ov5640_set_ctrl_focus(struct ov5640_dev *sensor, int value)
+{
+ return ov5640_mod_reg(sensor, OV5640_REG_ISP_CTRL03,
+ BIT(1), value ? BIT(1) : 0);
+}
+
static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
@@ -2162,6 +2170,9 @@ static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_TEST_PATTERN:
ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val);
break;
+ case V4L2_CID_FOCUS_AUTO:
+ ret = ov5640_set_ctrl_focus(sensor, ctrl->val);
+ break;
default:
ret = -EINVAL;
break;
@@ -2224,6 +2235,9 @@ static int ov5640_init_controls(struct ov5640_dev *sensor)
ARRAY_SIZE(test_pattern_menu) - 1,
0, 0, test_pattern_menu);
+ ctrls->auto_focus = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FOCUS_AUTO,
+ 0, 1, 1, 0);
+
if (hdl->error) {
ret = hdl->error;
goto free_ctrls;
--
2.14.3
