Signed-off-by: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx>
---
drivers/media/usb/em28xx/em28xx-core.c | 11 +++++++++++
1 Datei geändert, 11 Zeilen hinzugefügt(+)
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index d8a8e8b..8b8f783 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -1174,6 +1174,17 @@ int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
return rc;
}
+ if (xfer_bulk) {
+ rc = usb_clear_halt(dev->udev, usb_bufs->urb[0]->pipe);
+ if (rc < 0) {
+ em28xx_err("failed to clear USB bulk endpoint "
+ "stall/halt condition (error=%i)\n",
+ rc);
+ em28xx_uninit_usb_xfer(dev, mode);
+ return rc;
+ }
+ }
+
init_waitqueue_head(&dma_q->wq);
init_waitqueue_head(&vbi_dma_q->wq);
--
1.7.10.4
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