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-rw-r--r--drivers/media/video/ov9640.c119
-rw-r--r--drivers/media/video/ov9640.h4
2 files changed, 38 insertions, 85 deletions
diff --git a/drivers/media/video/ov9640.c b/drivers/media/video/ov9640.c
index 352a8fb68b84..12d33a9c07b0 100644
--- a/drivers/media/video/ov9640.c
+++ b/drivers/media/video/ov9640.c
@@ -30,6 +30,7 @@
#include <media/soc_mediabus.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
#include "ov9640.h"
@@ -164,27 +165,6 @@ static enum v4l2_mbus_pixelcode ov9640_codes[] = {
V4L2_MBUS_FMT_RGB565_2X8_LE,
};
-static const struct v4l2_queryctrl ov9640_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,
- },
-};
-
/* read a register */
static int ov9640_reg_read(struct i2c_client *client, u8 reg, u8 *val)
{
@@ -286,52 +266,25 @@ static int ov9640_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
-/* Get status of additional camera capabilities */
-static int ov9640_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct ov9640_priv *priv = to_ov9640_sensor(sd);
-
- switch (ctrl->id) {
- case V4L2_CID_VFLIP:
- ctrl->value = priv->flag_vflip;
- break;
- case V4L2_CID_HFLIP:
- ctrl->value = priv->flag_hflip;
- break;
- }
- return 0;
-}
-
/* Set status of additional camera capabilities */
-static int ov9640_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int ov9640_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov9640_priv *priv = to_ov9640_sensor(sd);
-
- int ret = 0;
+ struct ov9640_priv *priv = container_of(ctrl->handler, struct ov9640_priv, hdl);
+ struct i2c_client *client = v4l2_get_subdevdata(&priv->subdev);
switch (ctrl->id) {
case V4L2_CID_VFLIP:
- priv->flag_vflip = ctrl->value;
- if (ctrl->value)
- ret = ov9640_reg_rmw(client, OV9640_MVFP,
+ if (ctrl->val)
+ return ov9640_reg_rmw(client, OV9640_MVFP,
OV9640_MVFP_V, 0);
- else
- ret = ov9640_reg_rmw(client, OV9640_MVFP,
- 0, OV9640_MVFP_V);
- break;
+ return ov9640_reg_rmw(client, OV9640_MVFP, 0, OV9640_MVFP_V);
case V4L2_CID_HFLIP:
- priv->flag_hflip = ctrl->value;
- if (ctrl->value)
- ret = ov9640_reg_rmw(client, OV9640_MVFP,
+ if (ctrl->val)
+ return ov9640_reg_rmw(client, OV9640_MVFP,
OV9640_MVFP_H, 0);
- else
- ret = ov9640_reg_rmw(client, OV9640_MVFP,
- 0, OV9640_MVFP_H);
- break;
+ return ov9640_reg_rmw(client, OV9640_MVFP, 0, OV9640_MVFP_H);
}
-
- return ret;
+ return -EINVAL;
}
/* Get chip identification */
@@ -643,20 +596,14 @@ static int ov9640_video_probe(struct soc_camera_device *icd,
*/
ret = ov9640_reg_read(client, OV9640_PID, &pid);
+ if (!ret)
+ ret = ov9640_reg_read(client, OV9640_VER, &ver);
+ if (!ret)
+ ret = ov9640_reg_read(client, OV9640_MIDH, &midh);
+ if (!ret)
+ ret = ov9640_reg_read(client, OV9640_MIDL, &midl);
if (ret)
- goto err;
-
- ret = ov9640_reg_read(client, OV9640_VER, &ver);
- if (ret)
- goto err;
-
- ret = ov9640_reg_read(client, OV9640_MIDH, &midh);
- if (ret)
- goto err;
-
- ret = ov9640_reg_read(client, OV9640_MIDL, &midl);
- if (ret)
- goto err;
+ return ret;
switch (VERSION(pid, ver)) {
case OV9640_V2:
@@ -670,25 +617,20 @@ static int ov9640_video_probe(struct soc_camera_device *icd,
break;
default:
dev_err(&client->dev, "Product ID error %x:%x\n", pid, ver);
- ret = -ENODEV;
- goto err;
+ return -ENODEV;
}
dev_info(&client->dev, "%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
devname, pid, ver, midh, midl);
-err:
- return ret;
+ return v4l2_ctrl_handler_setup(&priv->hdl);
}
-static struct soc_camera_ops ov9640_ops = {
- .controls = ov9640_controls,
- .num_controls = ARRAY_SIZE(ov9640_controls),
+static const struct v4l2_ctrl_ops ov9640_ctrl_ops = {
+ .s_ctrl = ov9640_s_ctrl,
};
static struct v4l2_subdev_core_ops ov9640_core_ops = {
- .g_ctrl = ov9640_g_ctrl,
- .s_ctrl = ov9640_s_ctrl,
.g_chip_ident = ov9640_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov9640_get_register,
@@ -760,12 +702,23 @@ static int ov9640_probe(struct i2c_client *client,
v4l2_i2c_subdev_init(&priv->subdev, client, &ov9640_subdev_ops);
- icd->ops = &ov9640_ops;
+ v4l2_ctrl_handler_init(&priv->hdl, 2);
+ v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ priv->subdev.ctrl_handler = &priv->hdl;
+ if (priv->hdl.error) {
+ int err = priv->hdl.error;
+
+ kfree(priv);
+ return err;
+ }
ret = ov9640_video_probe(icd, client);
if (ret) {
- icd->ops = NULL;
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
}
@@ -777,6 +730,8 @@ static int ov9640_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ov9640_priv *priv = to_ov9640_sensor(sd);
+ v4l2_device_unregister_subdev(&priv->subdev);
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
return 0;
}
diff --git a/drivers/media/video/ov9640.h b/drivers/media/video/ov9640.h
index f8a51b70792e..6b33a972c83c 100644
--- a/drivers/media/video/ov9640.h
+++ b/drivers/media/video/ov9640.h
@@ -198,12 +198,10 @@ struct ov9640_reg {
struct ov9640_priv {
struct v4l2_subdev subdev;
+ struct v4l2_ctrl_handler hdl;
int model;
int revision;
-
- bool flag_vflip;
- bool flag_hflip;
};
#endif /* __DRIVERS_MEDIA_VIDEO_OV9640_H__ */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-17 18:29:53 +0000