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[media] em28xx: clear USB halt/stall condition in em28xx_init_usb_xfer when using bulk transfers 

[mchehab@redhat.com: Fix a CodingStyle issue: don't break strings
 into separate lines]

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Frank Schaefer 2012-11-08 14:11:43 -03:00 committed by Mauro Carvalho Chehab
parent 057ca0da06
commit 337fe8dad5
1 changed files with 10 additions and 0 deletions
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drivers/media/usb/em28xx/em28xx-core.c
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@ -1174,6 +1174,16 @@ 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);