diff options
Diffstat (limited to 'drivers/media/usb/pwc')
| -rw-r--r-- | drivers/media/usb/pwc/pwc-if.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 78c9bc8e7f56..84a6720b1d00 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -614,17 +614,20 @@ static int buffer_prepare(struct vb2_buffer *vb) return 0; } -static int buffer_finish(struct vb2_buffer *vb) +static void buffer_finish(struct vb2_buffer *vb) { struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb); - /* - * Application has called dqbuf and is getting back a buffer we've - * filled, take the pwc data we've stored in buf->data and decompress - * it into a usable format, storing the result in the vb2_buffer - */ - return pwc_decompress(pdev, buf); + if (vb->state == VB2_BUF_STATE_DONE) { + /* + * Application has called dqbuf and is getting back a buffer + * we've filled, take the pwc data we've stored in buf->data + * and decompress it into a usable format, storing the result + * in the vb2_buffer. + */ + pwc_decompress(pdev, buf); + } } static void buffer_cleanup(struct vb2_buffer *vb) @@ -1001,7 +1004,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf); pdev->vb_queue.ops = &pwc_vb_queue_ops; pdev->vb_queue.mem_ops = &vb2_vmalloc_memops; - pdev->vb_queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + pdev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; rc = vb2_queue_init(&pdev->vb_queue); if (rc < 0) { PWC_ERROR("Oops, could not initialize vb2 queue.\n"); @@ -1078,7 +1081,6 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id /* register webcam snapshot button input device */ pdev->button_dev = input_allocate_device(); if (!pdev->button_dev) { - PWC_ERROR("Err, insufficient memory for webcam snapshot button device."); rc = -ENOMEM; goto err_video_unreg; } |