diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-streams.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 89c1ec94f33..abc3fe605f0 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -101,11 +101,11 @@ static struct { static void cx18_stream_init(struct cx18 *cx, int type) { struct cx18_stream *s = &cx->streams[type]; - struct video_device *dev = s->v4l2dev; + struct video_device *video_dev = s->video_dev; - /* we need to keep v4l2dev, so restore it afterwards */ + /* we need to keep video_dev, so restore it afterwards */ memset(s, 0, sizeof(*s)); - s->v4l2dev = dev; + s->video_dev = video_dev; /* initialize cx18_stream fields */ s->cx = cx; @@ -132,10 +132,10 @@ static int cx18_prep_dev(struct cx18 *cx, int type) int num_offset = cx18_stream_info[type].num_offset; int num = cx->num + cx18_first_minor + num_offset; - /* These four fields are always initialized. If v4l2dev == NULL, then + /* These four fields are always initialized. If video_dev == NULL, then this stream is not in use. In that case no other fields but these four can be used. */ - s->v4l2dev = NULL; + s->video_dev = NULL; s->cx = cx; s->type = type; s->name = cx18_stream_info[type].name; @@ -163,22 +163,22 @@ static int cx18_prep_dev(struct cx18 *cx, int type) return 0; /* allocate and initialize the v4l2 video device structure */ - s->v4l2dev = video_device_alloc(); - if (s->v4l2dev == NULL) { + 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->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d", + snprintf(s->video_dev->name, sizeof(s->video_dev->name), "cx18-%d", cx->num); - s->v4l2dev->num = num; - s->v4l2dev->parent = &cx->dev->dev; - s->v4l2dev->fops = &cx18_v4l2_enc_fops; - s->v4l2dev->release = video_device_release; - s->v4l2dev->tvnorms = V4L2_STD_ALL; - cx18_set_funcs(s->v4l2dev); + s->video_dev->num = num; + s->video_dev->parent = &cx->pci_dev->dev; + s->video_dev->fops = &cx18_v4l2_enc_fops; + s->video_dev->release = video_device_release; + s->video_dev->tvnorms = V4L2_STD_ALL; + cx18_set_funcs(s->video_dev); return 0; } @@ -227,28 +227,29 @@ static int cx18_reg_dev(struct cx18 *cx, int type) } } - if (s->v4l2dev == NULL) + if (s->video_dev == NULL) return 0; - num = s->v4l2dev->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->v4l2dev) - num = s_mpg->v4l2dev->num + cx18_stream_info[type].num_offset; + if (s_mpg->video_dev) + num = s_mpg->video_dev->num + + cx18_stream_info[type].num_offset; } /* Register device. First try the desired minor, then any free one. */ - ret = video_register_device(s->v4l2dev, vfl_type, num); + ret = video_register_device(s->video_dev, vfl_type, num); if (ret < 0) { CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", s->name, num); - video_device_release(s->v4l2dev); - s->v4l2dev = NULL; + video_device_release(s->video_dev); + s->video_dev = NULL; return ret; } - num = s->v4l2dev->num; + num = s->video_dev->num; switch (vfl_type) { case VFL_TYPE_GRABBER: @@ -312,9 +313,9 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister) cx->streams[type].dvb.enabled = false; } - vdev = cx->streams[type].v4l2dev; + vdev = cx->streams[type].video_dev; - cx->streams[type].v4l2dev = NULL; + cx->streams[type].video_dev = NULL; if (vdev == NULL) continue; @@ -437,7 +438,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) int ts = 0; int captype = 0; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) return -EINVAL; CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); @@ -565,7 +566,7 @@ void cx18_stop_all_captures(struct cx18 *cx) for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) continue; if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) cx18_stop_v4l2_encode_stream(s, 0); @@ -577,7 +578,7 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) struct cx18 *cx = s->cx; unsigned long then; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) return -EINVAL; /* This function assumes that you are allowed to stop the capture @@ -629,7 +630,7 @@ u32 cx18_find_handle(struct cx18 *cx) for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE)) + if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) return s->handle; } return CX18_INVALID_TASK_HANDLE; @@ -647,7 +648,7 @@ struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) s = &cx->streams[i]; if (s->handle != handle) continue; - if (s->v4l2dev || s->dvb.enabled) + if (s->video_dev || s->dvb.enabled) return s; } return NULL; |