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-rw-r--r--kernel/drivers/media/usb/usbtv/usbtv-video.c34
-rw-r--r--kernel/drivers/media/usb/usbtv/usbtv.h3
2 files changed, 22 insertions, 15 deletions
diff --git a/kernel/drivers/media/usb/usbtv/usbtv-video.c b/kernel/drivers/media/usb/usbtv/usbtv-video.c
index 9d3525f65..e645c9df2 100644
--- a/kernel/drivers/media/usb/usbtv/usbtv-video.c
+++ b/kernel/drivers/media/usb/usbtv/usbtv-video.c
@@ -29,7 +29,7 @@
*/
#include <media/v4l2-ioctl.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
#include "usbtv.h"
@@ -306,7 +306,7 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk)
/* First available buffer. */
buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list);
- frame = vb2_plane_vaddr(&buf->vb, 0);
+ frame = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
/* Copy the chunk data. */
usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd);
@@ -314,17 +314,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk)
/* Last chunk in a frame, signalling an end */
if (odd && chunk_no == usbtv->n_chunks-1) {
- int size = vb2_plane_size(&buf->vb, 0);
+ int size = vb2_plane_size(&buf->vb.vb2_buf, 0);
enum vb2_buffer_state state = usbtv->chunks_done ==
usbtv->n_chunks ?
VB2_BUF_STATE_DONE :
VB2_BUF_STATE_ERROR;
- buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
- buf->vb.v4l2_buf.sequence = usbtv->sequence++;
- v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
- vb2_set_plane_payload(&buf->vb, 0, size);
- vb2_buffer_done(&buf->vb, state);
+ buf->vb.field = V4L2_FIELD_INTERLACED;
+ buf->vb.sequence = usbtv->sequence++;
+ v4l2_get_timestamp(&buf->vb.timestamp);
+ vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
+ vb2_buffer_done(&buf->vb.vb2_buf, state);
list_del(&buf->list);
}
@@ -422,7 +422,7 @@ static void usbtv_stop(struct usbtv *usbtv)
while (!list_empty(&usbtv->bufs)) {
struct usbtv_buf *buf = list_first_entry(&usbtv->bufs,
struct usbtv_buf, list);
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
list_del(&buf->list);
}
spin_unlock_irqrestore(&usbtv->buflock, flags);
@@ -599,23 +599,28 @@ static struct v4l2_file_operations usbtv_fops = {
};
static int usbtv_queue_setup(struct vb2_queue *vq,
- const struct v4l2_format *v4l_fmt, unsigned int *nbuffers,
+ const void *parg, unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
+ const struct v4l2_format *fmt = parg;
struct usbtv *usbtv = vb2_get_drv_priv(vq);
+ unsigned size = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32);
- if (*nbuffers < 2)
- *nbuffers = 2;
+ if (vq->num_buffers + *nbuffers < 2)
+ *nbuffers = 2 - vq->num_buffers;
*nplanes = 1;
- sizes[0] = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32);
+ if (fmt && fmt->fmt.pix.sizeimage < size)
+ return -EINVAL;
+ sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size;
return 0;
}
static void usbtv_buf_queue(struct vb2_buffer *vb)
{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct usbtv *usbtv = vb2_get_drv_priv(vb->vb2_queue);
- struct usbtv_buf *buf = container_of(vb, struct usbtv_buf, vb);
+ struct usbtv_buf *buf = container_of(vbuf, struct usbtv_buf, vb);
unsigned long flags;
if (usbtv->udev == NULL) {
@@ -635,6 +640,7 @@ static int usbtv_start_streaming(struct vb2_queue *vq, unsigned int count)
if (usbtv->udev == NULL)
return -ENODEV;
+ usbtv->sequence = 0;
return usbtv_start(usbtv);
}
diff --git a/kernel/drivers/media/usb/usbtv/usbtv.h b/kernel/drivers/media/usb/usbtv/usbtv.h
index 968119581..19cb8bf7c 100644
--- a/kernel/drivers/media/usb/usbtv/usbtv.h
+++ b/kernel/drivers/media/usb/usbtv/usbtv.h
@@ -24,6 +24,7 @@
#include <linux/usb.h>
#include <media/v4l2-device.h>
+#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>
/* Hardware. */
@@ -61,7 +62,7 @@ struct usbtv_norm_params {
/* A single videobuf2 frame buffer. */
struct usbtv_buf {
- struct vb2_buffer vb;
+ struct vb2_v4l2_buffer vb;
struct list_head list;
};