diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_v4l2.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index 6e8aad44c4bd..543a80395b7f 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -1114,6 +1114,20 @@ static unsigned int uvc_v4l2_poll(struct file *file, poll_table *wait) return uvc_queue_poll(&stream->queue, file, wait); } +#ifndef CONFIG_MMU +static unsigned long uvc_v4l2_get_unmapped_area(struct file *file, + unsigned long addr, unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + struct uvc_fh *handle = file->private_data; + struct uvc_streaming *stream = handle->stream; + + uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_get_unmapped_area\n"); + + return uvc_queue_get_unmapped_area(&stream->queue, pgoff); +} +#endif + const struct v4l2_file_operations uvc_fops = { .owner = THIS_MODULE, .open = uvc_v4l2_open, @@ -1122,5 +1136,8 @@ const struct v4l2_file_operations uvc_fops = { .read = uvc_v4l2_read, .mmap = uvc_v4l2_mmap, .poll = uvc_v4l2_poll, +#ifndef CONFIG_MMU + .get_unmapped_area = uvc_v4l2_get_unmapped_area, +#endif }; |