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usb: gadget: uvc: Add support for DMABUF importing 

Activate the videobuf2 DMABUF support. As vb2-vmalloc supports the
importer role only, exporting buffers isn't supported yet. When the
exporter role will be implemented in vb2-vmalloc the UVC gadget driver
will automatically gain support for it.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Philipp Zabel 2014-08-21 16:54:44 +02:00 committed by Felipe Balbi
parent 6bc17375d2
commit ee7ec7f6b3
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/function/uvc_queue.c
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@ -132,7 +132,7 @@ static int uvc_queue_init(struct uvc_video_queue *queue,
int ret; int ret;
queue->queue.type = type; queue->queue.type = type;
queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; queue->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
queue->queue.drv_priv = queue; queue->queue.drv_priv = queue;
queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
queue->queue.ops = &uvc_queue_qops; queue->queue.ops = &uvc_queue_qops;