summaryrefslogtreecommitdiff
path: root/drivers/media/pci/cx18/cx18-streams.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/cx18/cx18-streams.c')
-rw-r--r--drivers/media/pci/cx18/cx18-streams.c66
1 files changed, 27 insertions, 39 deletions
diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c
index 369445fcf3e5..c82d25d53341 100644
--- a/drivers/media/pci/cx18/cx18-streams.c
+++ b/drivers/media/pci/cx18/cx18-streams.c
@@ -254,11 +254,8 @@ static struct videobuf_queue_ops cx18_videobuf_qops = {
static void cx18_stream_init(struct cx18 *cx, int type)
{
struct cx18_stream *s = &cx->streams[type];
- struct video_device *video_dev = s->video_dev;
- /* we need to keep video_dev, so restore it afterwards */
memset(s, 0, sizeof(*s));
- s->video_dev = video_dev;
/* initialize cx18_stream fields */
s->dvb = NULL;
@@ -307,6 +304,7 @@ static void cx18_stream_init(struct cx18 *cx, int type)
/* Assume the previous pixel default */
s->pixelformat = V4L2_PIX_FMT_HM12;
s->vb_bytes_per_frame = cx->cxhdl.height * 720 * 3 / 2;
+ s->vb_bytes_per_line = 720;
}
}
@@ -319,12 +317,12 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
/*
* These five fields are always initialized.
- * For analog capture related streams, if video_dev == NULL then the
+ * For analog capture related streams, if video_dev.v4l2_dev == NULL then the
* stream is not in use.
* For the TS stream, if dvb == NULL then the stream is not in use.
* In those cases no other fields but these four can be used.
*/
- s->video_dev = NULL;
+ s->video_dev.v4l2_dev = NULL;
s->dvb = NULL;
s->cx = cx;
s->type = type;
@@ -367,24 +365,20 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
if (num_offset == -1)
return 0;
- /* allocate and initialize the v4l2 video device structure */
- s->video_dev = video_device_alloc();
- if (s->video_dev == NULL) {
- CX18_ERR("Couldn't allocate v4l2 video_device for %s\n",
- s->name);
- return -ENOMEM;
- }
-
- snprintf(s->video_dev->name, sizeof(s->video_dev->name), "%s %s",
+ /* initialize the v4l2 video device structure */
+ snprintf(s->video_dev.name, sizeof(s->video_dev.name), "%s %s",
cx->v4l2_dev.name, s->name);
- s->video_dev->num = num;
- s->video_dev->v4l2_dev = &cx->v4l2_dev;
- s->video_dev->fops = &cx18_v4l2_enc_fops;
- s->video_dev->release = video_device_release;
- s->video_dev->tvnorms = V4L2_STD_ALL;
- s->video_dev->lock = &cx->serialize_lock;
- cx18_set_funcs(s->video_dev);
+ s->video_dev.num = num;
+ s->video_dev.v4l2_dev = &cx->v4l2_dev;
+ s->video_dev.fops = &cx18_v4l2_enc_fops;
+ s->video_dev.release = video_device_release_empty;
+ if (cx->card->video_inputs->video_type == CX18_CARD_INPUT_VID_TUNER)
+ s->video_dev.tvnorms = cx->tuner_std;
+ else
+ s->video_dev.tvnorms = V4L2_STD_ALL;
+ s->video_dev.lock = &cx->serialize_lock;
+ cx18_set_funcs(&s->video_dev);
return 0;
}
@@ -428,31 +422,30 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
}
}
- if (s->video_dev == NULL)
+ if (s->video_dev.v4l2_dev == NULL)
return 0;
- num = s->video_dev->num;
+ num = s->video_dev.num;
/* card number + user defined offset + device offset */
if (type != CX18_ENC_STREAM_TYPE_MPG) {
struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
- if (s_mpg->video_dev)
- num = s_mpg->video_dev->num
+ if (s_mpg->video_dev.v4l2_dev)
+ num = s_mpg->video_dev.num
+ cx18_stream_info[type].num_offset;
}
- video_set_drvdata(s->video_dev, s);
+ video_set_drvdata(&s->video_dev, s);
/* Register device. First try the desired minor, then any free one. */
- ret = video_register_device_no_warn(s->video_dev, vfl_type, num);
+ ret = video_register_device_no_warn(&s->video_dev, vfl_type, num);
if (ret < 0) {
CX18_ERR("Couldn't register v4l2 device for %s (device node number %d)\n",
s->name, num);
- video_device_release(s->video_dev);
- s->video_dev = NULL;
+ s->video_dev.v4l2_dev = NULL;
return ret;
}
- name = video_device_node_name(s->video_dev);
+ name = video_device_node_name(&s->video_dev);
switch (vfl_type) {
case VFL_TYPE_GRABBER:
@@ -542,10 +535,9 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister)
}
/* If struct video_device exists, can have buffers allocated */
- vdev = cx->streams[type].video_dev;
+ vdev = &cx->streams[type].video_dev;
- cx->streams[type].video_dev = NULL;
- if (vdev == NULL)
+ if (vdev->v4l2_dev == NULL)
continue;
if (type == CX18_ENC_STREAM_TYPE_YUV)
@@ -553,11 +545,7 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister)
cx18_stream_free(&cx->streams[type]);
- /* Unregister or release device */
- if (unregister)
- video_unregister_device(vdev);
- else
- video_device_release(vdev);
+ video_unregister_device(vdev);
}
}
@@ -1042,7 +1030,7 @@ u32 cx18_find_handle(struct cx18 *cx)
for (i = 0; i < CX18_MAX_STREAMS; i++) {
struct cx18_stream *s = &cx->streams[i];
- if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE))
+ if (s->video_dev.v4l2_dev && (s->handle != CX18_INVALID_TASK_HANDLE))
return s->handle;
}
return CX18_INVALID_TASK_HANDLE;