@@ -23,6 +23,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-subdev.h>
+#include <media/v4l2-ctrls.h>
#include <media/soc_camera.h>
#include <media/soc_mediabus.h>
#include <media/ov772x.h>
@@ -400,6 +401,7 @@ struct ov772x_win_size {
struct ov772x_priv {
struct v4l2_subdev subdev;
+ struct v4l2_ctrl_handler hdl;
struct ov772x_camera_info *info;
const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
@@ -517,36 +519,6 @@ static const struct ov772x_win_size ov772x_win_qvga = {
.regs = ov772x_qvga_regs,
};
-static const struct v4l2_queryctrl ov772x_controls[] = {
- {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Vertically",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Horizontally",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = V4L2_CID_BAND_STOP_FILTER,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Band-stop filter",
- .minimum = 0,
- .maximum = 256,
- .step = 1,
- .default_value = 0,
- },
-};
-
/*
* general function
*/
@@ -643,26 +615,10 @@ static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd)
return soc_camera_apply_sensor_flags(icl, flags);
}
-static int ov772x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
-
- switch (ctrl->id) {
- case V4L2_CID_VFLIP:
- ctrl->value = priv->flag_vflip;
- break;
- case V4L2_CID_HFLIP:
- ctrl->value = priv->flag_hflip;
- break;
- case V4L2_CID_BAND_STOP_FILTER:
- ctrl->value = priv->band_filter;
- break;
- }
- return 0;
-}
-
-static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl)
{
+ struct v4l2_subdev *sd =
+ &container_of(ctrl->handler, struct ov772x_priv, hdl)->subdev;
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
int ret = 0;
@@ -670,25 +626,19 @@ static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
switch (ctrl->id) {
case V4L2_CID_VFLIP:
- val = ctrl->value ? VFLIP_IMG : 0x00;
- priv->flag_vflip = ctrl->value;
+ val = ctrl->val ? VFLIP_IMG : 0x00;
+ priv->flag_vflip = ctrl->val;
if (priv->info->flags & OV772X_FLAG_VFLIP)
val ^= VFLIP_IMG;
- ret = ov772x_mask_set(client, COM3, VFLIP_IMG, val);
- break;
+ return ov772x_mask_set(client, COM3, VFLIP_IMG, val);
case V4L2_CID_HFLIP:
- val = ctrl->value ? HFLIP_IMG : 0x00;
- priv->flag_hflip = ctrl->value;
+ val = ctrl->val ? HFLIP_IMG : 0x00;
+ priv->flag_hflip = ctrl->val;
if (priv->info->flags & OV772X_FLAG_HFLIP)
val ^= HFLIP_IMG;
- ret = ov772x_mask_set(client, COM3, HFLIP_IMG, val);
- break;
+ return ov772x_mask_set(client, COM3, HFLIP_IMG, val);
case V4L2_CID_BAND_STOP_FILTER:
- if ((unsigned)ctrl->value > 256)
- ctrl->value = 256;
- if (ctrl->value == priv->band_filter)
- break;
- if (!ctrl->value) {
+ if (!ctrl->val) {
/* Switch the filter off, it is on now */
ret = ov772x_mask_set(client, BDBASE, 0xff, 0xff);
if (!ret)
@@ -696,7 +646,7 @@ static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
BNDF_ON_OFF, 0);
} else {
/* Switch the filter on, set AEC low limit */
- val = 256 - ctrl->value;
+ val = 256 - ctrl->val;
ret = ov772x_mask_set(client, COM8,
BNDF_ON_OFF, BNDF_ON_OFF);
if (!ret)
@@ -704,11 +654,11 @@ static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
0xff, val);
}
if (!ret)
- priv->band_filter = ctrl->value;
- break;
+ priv->band_filter = ctrl->val;
+ return ret;
}
- return ret;
+ return -EINVAL;
}
static int ov772x_g_chip_ident(struct v4l2_subdev *sd,
@@ -1068,20 +1018,19 @@ static int ov772x_video_probe(struct soc_camera_device *icd,
ver,
i2c_smbus_read_byte_data(client, MIDH),
i2c_smbus_read_byte_data(client, MIDL));
-
- return 0;
+ return v4l2_ctrl_handler_setup(&priv->hdl);
}
+static const struct v4l2_ctrl_ops ov772x_ctrl_ops = {
+ .s_ctrl = ov772x_s_ctrl,
+};
+
static struct soc_camera_ops ov772x_ops = {
.set_bus_param = ov772x_set_bus_param,
.query_bus_param = ov772x_query_bus_param,
- .controls = ov772x_controls,
- .num_controls = ARRAY_SIZE(ov772x_controls),
};
static struct v4l2_subdev_core_ops ov772x_subdev_core_ops = {
- .g_ctrl = ov772x_g_ctrl,
- .s_ctrl = ov772x_s_ctrl,
.g_chip_ident = ov772x_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov772x_g_register,
@@ -1150,12 +1099,27 @@ static int ov772x_probe(struct i2c_client *client,
priv->info = icl->priv;
v4l2_i2c_subdev_init(&priv->subdev, client, &ov772x_subdev_ops);
+ v4l2_ctrl_handler_init(&priv->hdl, 3);
+ v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
+ V4L2_CID_BAND_STOP_FILTER, 0, 256, 1, 0);
+ priv->subdev.ctrl_handler = &priv->hdl;
+ if (priv->hdl.error) {
+ int err = priv->hdl.error;
+
+ kfree(priv);
+ return err;
+ }
- icd->ops = &ov772x_ops;
+ icd->ops = &ov772x_ops;
ret = ov772x_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
}
@@ -1167,7 +1131,9 @@ static int ov772x_remove(struct i2c_client *client)
struct ov772x_priv *priv = to_ov772x(client);
struct soc_camera_device *icd = client->dev.platform_data;
+ v4l2_device_unregister_subdev(&priv->subdev);
icd->ops = NULL;
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
return 0;
}