[media] cx23885: drop type field from struct cx23885_fh

This information is available elsewhere as well.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 50694c6..a68ab59 100644 (file)
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -692,28 +692,31 @@ static struct videobuf_queue_ops cx23885_video_qops = {
        .buf_release  = buffer_release,
 };
 
-static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
+static struct videobuf_queue *get_queue(struct file *file)
 {
-       switch (fh->type) {
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+       struct video_device *vdev = video_devdata(file);
+       struct cx23885_fh *fh = file->private_data;
+
+       switch (vdev->vfl_type) {
+       case VFL_TYPE_GRABBER:
                return &fh->vidq;
-       case V4L2_BUF_TYPE_VBI_CAPTURE:
+       case VFL_TYPE_VBI:
                return &fh->vbiq;
        default:
-               BUG();
+               WARN_ON(1);
                return NULL;
        }
 }
 
-static int get_resource(struct cx23885_fh *fh)
+static int get_resource(u32 type)
 {
-       switch (fh->type) {
+       switch (type) {
        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
                return RESOURCE_VIDEO;
        case V4L2_BUF_TYPE_VBI_CAPTURE:
                return RESOURCE_VBI;
        default:
-               BUG();
+               WARN_ON(1);
                return 0;
        }
 }
@@ -723,19 +726,9 @@ static int video_open(struct file *file)
        struct video_device *vdev = video_devdata(file);
        struct cx23885_dev *dev = video_drvdata(file);
        struct cx23885_fh *fh;
-       enum v4l2_buf_type type = 0;
 
-       switch (vdev->vfl_type) {
-       case VFL_TYPE_GRABBER:
-               type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-               break;
-       case VFL_TYPE_VBI:
-               type = V4L2_BUF_TYPE_VBI_CAPTURE;
-               break;
-       }
-
-       dprintk(1, "open dev=%s type=%s\n",
-               video_device_node_name(vdev), v4l2_type_names[type]);
+       dprintk(1, "open dev=%s\n",
+               video_device_node_name(vdev));
 
        /* allocate + initialize per filehandle data */
        fh = kzalloc(sizeof(*fh), GFP_KERNEL);
@@ -745,7 +738,6 @@ static int video_open(struct file *file)
        v4l2_fh_init(&fh->fh, vdev);
        file->private_data = &fh->fh;
        fh->dev      = dev;
-       fh->type     = type;
        fh->width    = 320;
        fh->height   = 240;
        fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_YUYV);
@@ -774,28 +766,29 @@ static int video_open(struct file *file)
 static ssize_t video_read(struct file *file, char __user *data,
        size_t count, loff_t *ppos)
 {
+       struct video_device *vdev = video_devdata(file);
        struct cx23885_fh *fh = file->private_data;
 
-       switch (fh->type) {
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+       switch (vdev->vfl_type) {
+       case VFL_TYPE_GRABBER:
                if (res_locked(fh->dev, RESOURCE_VIDEO))
                        return -EBUSY;
                return videobuf_read_one(&fh->vidq, data, count, ppos,
                                         file->f_flags & O_NONBLOCK);
-       case V4L2_BUF_TYPE_VBI_CAPTURE:
+       case VFL_TYPE_VBI:
                if (!res_get(fh->dev, fh, RESOURCE_VBI))
                        return -EBUSY;
                return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
                                            file->f_flags & O_NONBLOCK);
        default:
-               BUG();
-               return 0;
+               return -EINVAL;
        }
 }
 
 static unsigned int video_poll(struct file *file,
        struct poll_table_struct *wait)
 {
+       struct video_device *vdev = video_devdata(file);
        struct cx23885_fh *fh = file->private_data;
        struct cx23885_buffer *buf;
        unsigned long req_events = poll_requested_events(wait);
@@ -808,7 +801,7 @@ static unsigned int video_poll(struct file *file,
        if (!(req_events & (POLLIN | POLLRDNORM)))
                return rc;
 
-       if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
+       if (vdev->vfl_type == VFL_TYPE_VBI) {
                if (!res_get(fh->dev, fh, RESOURCE_VBI))
                        return rc | POLLERR;
                return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
@@ -884,9 +877,7 @@ static int video_release(struct file *file)
 
 static int video_mmap(struct file *file, struct vm_area_struct *vma)
 {
-       struct cx23885_fh *fh = file->private_data;
-
-       return videobuf_mmap_mapper(get_queue(fh), vma);
+       return videobuf_mmap_mapper(get_queue(file), vma);
 }
 
 /* ------------------------------------------------------------------ */
@@ -1019,73 +1010,73 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 static int vidioc_reqbufs(struct file *file, void *priv,
        struct v4l2_requestbuffers *p)
 {
-       struct cx23885_fh *fh = priv;
-       return videobuf_reqbufs(get_queue(fh), p);
+       return videobuf_reqbufs(get_queue(file), p);
 }
 
 static int vidioc_querybuf(struct file *file, void *priv,
        struct v4l2_buffer *p)
 {
-       struct cx23885_fh *fh = priv;
-       return videobuf_querybuf(get_queue(fh), p);
+       return videobuf_querybuf(get_queue(file), p);
 }
 
 static int vidioc_qbuf(struct file *file, void *priv,
        struct v4l2_buffer *p)
 {
-       struct cx23885_fh *fh = priv;
-       return videobuf_qbuf(get_queue(fh), p);
+       return videobuf_qbuf(get_queue(file), p);
 }
 
 static int vidioc_dqbuf(struct file *file, void *priv,
        struct v4l2_buffer *p)
 {
-       struct cx23885_fh *fh = priv;
-       return videobuf_dqbuf(get_queue(fh), p,
+       return videobuf_dqbuf(get_queue(file), p,
                                file->f_flags & O_NONBLOCK);
 }
 
 static int vidioc_streamon(struct file *file, void *priv,
        enum v4l2_buf_type i)
 {
+       struct video_device *vdev = video_devdata(file);
        struct cx23885_fh *fh = priv;
        struct cx23885_dev *dev = fh->dev;
        dprintk(1, "%s()\n", __func__);
 
-       if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
-               (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
+       if (vdev->vfl_type == VFL_TYPE_VBI &&
+           i != V4L2_BUF_TYPE_VBI_CAPTURE)
                return -EINVAL;
-       if (unlikely(i != fh->type))
+       if (vdev->vfl_type == VFL_TYPE_GRABBER &&
+           i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
                return -EINVAL;
 
-       if (unlikely(!res_get(dev, fh, get_resource(fh))))
+       if (unlikely(!res_get(dev, fh, get_resource(i))))
                return -EBUSY;
 
        /* Don't start VBI streaming unless vida streaming
         * has already started.
         */
-       if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
+       if ((i == V4L2_BUF_TYPE_VBI_CAPTURE) &&
                ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
                return -EINVAL;
 
-       return videobuf_streamon(get_queue(fh));
+       return videobuf_streamon(get_queue(file));
 }
 
 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 {
+       struct video_device *vdev = video_devdata(file);
        struct cx23885_fh *fh = priv;
        struct cx23885_dev *dev = fh->dev;
        int err, res;
        dprintk(1, "%s()\n", __func__);
 
-       if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
-               (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
+       if (vdev->vfl_type == VFL_TYPE_VBI &&
+           i != V4L2_BUF_TYPE_VBI_CAPTURE)
                return -EINVAL;
-       if (i != fh->type)
+       if (vdev->vfl_type == VFL_TYPE_GRABBER &&
+           i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
                return -EINVAL;
 
-       res = get_resource(fh);
-       err = videobuf_streamoff(get_queue(fh));
+       res = get_resource(i);
+       err = videobuf_streamoff(get_queue(file));
        if (err < 0)
                return err;
        res_free(dev, fh, res);

diff --git a/drivers/media/pci/cx23885/cx23885.h b/drivers/media/pci/cx23885/cx23885.h
index 94ab000..aba1e6a 100644 (file)
--- a/drivers/media/pci/cx23885/cx23885.h
+++ b/drivers/media/pci/cx23885/cx23885.h
@@ -143,7 +143,6 @@ struct cx23885_tvnorm {
 struct cx23885_fh {
        struct v4l2_fh             fh;
        struct cx23885_dev         *dev;
-       enum v4l2_buf_type         type;
        u32                        resources;
 
        /* video overlay */