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path: root/drivers/media/video/w9966.c
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Diffstat (limited to 'drivers/media/video/w9966.c')
-rw-r--r--drivers/media/video/w9966.c94
1 files changed, 41 insertions, 53 deletions
diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c
index 7fd7ac567e1a..db2a6003a1c3 100644
--- a/drivers/media/video/w9966.c
+++ b/drivers/media/video/w9966.c
@@ -62,6 +62,9 @@
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-fh.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
#include <linux/parport.h>
/*#define DEBUG*/ /* Undef me for production */
@@ -104,6 +107,7 @@
struct w9966 {
struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler hdl;
unsigned char dev_state;
unsigned char i2c_state;
unsigned short ppmode;
@@ -567,7 +571,8 @@ static int cam_querycap(struct file *file, void *priv,
strlcpy(vcap->driver, cam->v4l2_dev.name, sizeof(vcap->driver));
strlcpy(vcap->card, W9966_DRIVERNAME, sizeof(vcap->card));
strlcpy(vcap->bus_info, "parport", sizeof(vcap->bus_info));
- vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+ vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+ vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -595,67 +600,25 @@ static int cam_s_input(struct file *file, void *fh, unsigned int inp)
return (inp > 0) ? -EINVAL : 0;
}
-static int cam_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
+static int cam_s_ctrl(struct v4l2_ctrl *ctrl)
{
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- }
- return -EINVAL;
-}
-
-static int cam_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct w9966 *cam = video_drvdata(file);
- int ret = 0;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = cam->brightness;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = cam->contrast;
- break;
- case V4L2_CID_SATURATION:
- ctrl->value = cam->color;
- break;
- case V4L2_CID_HUE:
- ctrl->value = cam->hue;
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
-}
-
-static int cam_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct w9966 *cam = video_drvdata(file);
+ struct w9966 *cam =
+ container_of(ctrl->handler, struct w9966, hdl);
int ret = 0;
mutex_lock(&cam->lock);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- cam->brightness = ctrl->value;
+ cam->brightness = ctrl->val;
break;
case V4L2_CID_CONTRAST:
- cam->contrast = ctrl->value;
+ cam->contrast = ctrl->val;
break;
case V4L2_CID_SATURATION:
- cam->color = ctrl->value;
+ cam->color = ctrl->val;
break;
case V4L2_CID_HUE:
- cam->hue = ctrl->value;
+ cam->hue = ctrl->val;
break;
default:
ret = -EINVAL;
@@ -813,6 +776,9 @@ out:
static const struct v4l2_file_operations w9966_fops = {
.owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = v4l2_fh_release,
+ .poll = v4l2_ctrl_poll,
.unlocked_ioctl = video_ioctl2,
.read = w9966_v4l_read,
};
@@ -822,13 +788,17 @@ static const struct v4l2_ioctl_ops w9966_ioctl_ops = {
.vidioc_g_input = cam_g_input,
.vidioc_s_input = cam_s_input,
.vidioc_enum_input = cam_enum_input,
- .vidioc_queryctrl = cam_queryctrl,
- .vidioc_g_ctrl = cam_g_ctrl,
- .vidioc_s_ctrl = cam_s_ctrl,
.vidioc_enum_fmt_vid_cap = cam_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cam_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = cam_s_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cam_try_fmt_vid_cap,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static const struct v4l2_ctrl_ops cam_ctrl_ops = {
+ .s_ctrl = cam_s_ctrl,
};
@@ -849,6 +819,20 @@ static int w9966_init(struct w9966 *cam, struct parport *port)
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
return -1;
}
+
+ v4l2_ctrl_handler_init(&cam->hdl, 4);
+ v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
+ V4L2_CID_CONTRAST, -64, 64, 1, 64);
+ v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
+ V4L2_CID_SATURATION, -64, 64, 1, 64);
+ v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ if (cam->hdl.error) {
+ v4l2_err(v4l2_dev, "couldn't register controls\n");
+ return -1;
+ }
cam->pport = port;
cam->brightness = 128;
cam->contrast = 64;
@@ -898,6 +882,8 @@ static int w9966_init(struct w9966 *cam, struct parport *port)
cam->vdev.fops = &w9966_fops;
cam->vdev.ioctl_ops = &w9966_ioctl_ops;
cam->vdev.release = video_device_release_empty;
+ cam->vdev.ctrl_handler = &cam->hdl;
+ set_bit(V4L2_FL_USE_FH_PRIO, &cam->vdev.flags);
video_set_drvdata(&cam->vdev, cam);
mutex_init(&cam->lock);
@@ -923,6 +909,8 @@ static void w9966_term(struct w9966 *cam)
w9966_set_state(cam, W9966_STATE_VDEV, 0);
}
+ v4l2_ctrl_handler_free(&cam->hdl);
+
/* Terminate from IEEE1284 mode and release pdev block */
if (w9966_get_state(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
w9966_pdev_claim(cam);
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