V4L/DVB (5205): Usbvision: dynamic allocation for frames

- fix decoder route output
- dynamic frame buffer allocation

Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
index a316871b79a0..0e2b55699860 100644
--- a/drivers/media/video/usbvision/usbvision.h
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -421,6 +421,7 @@ struct usb_usbvision {
         wait_queue_head_t wait_stream;                                  /* Processes waiting */
         struct usbvision_frame *curFrame;                               // pointer to current frame, set by usbvision_find_header
         struct usbvision_frame frame[USBVISION_NUMFRAMES];              // frame buffer
+        int num_frames;                                                 // number of frames allocated
         struct usbvision_sbuf sbuf[USBVISION_NUMSBUF];                  // S buffering
         volatile int remove_pending;                                    /* If set then about to exit */
 
@@ -490,7 +491,7 @@ int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
 int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
                         unsigned char value);
 
-int usbvision_frames_alloc(struct usb_usbvision *usbvision);
+int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
 void usbvision_frames_free(struct usb_usbvision *usbvision);
 int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
 void usbvision_scratch_free(struct usb_usbvision *usbvision);