diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2008-10-23 07:29:51 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:29 -0200 |
| commit | ff374747ce5357eedf034b44ec3111cec28d50d5 (patch) | |
| tree | a012bf91305dcd7f95ed9e62317700859982ea00 /drivers/media/video/gspca/gspca.c | |
| parent | 8fe2f1d522bb599eccfff6ef4fc55f7b7abbaeec (diff) | |
V4L/DVB (9545): gspca: Add a flag for empty ISOC packets.
- This flag is needed by some subdrivers as tv8532 for start
of frame detection.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/gspca.c')
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index afddb18024a..8a528c97aae 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -150,8 +150,11 @@ static void fill_frame(struct gspca_dev *gspca_dev, /* check the packet status and length */ len = urb->iso_frame_desc[i].actual_length; - if (len == 0) + if (len == 0) { + if (gspca_dev->empty_packet == 0) + gspca_dev->empty_packet = 1; continue; + } st = urb->iso_frame_desc[i].status; if (st) { PDEBUG(D_ERR, @@ -1858,6 +1861,7 @@ int gspca_dev_probe(struct usb_interface *intf, gspca_dev->nbalt = intf->num_altsetting; gspca_dev->sd_desc = sd_desc; gspca_dev->nbufread = 2; + gspca_dev->empty_packet = -1; /* don't check the empty packets */ /* configure the subdriver and initialize the USB device */ ret = gspca_dev->sd_desc->config(gspca_dev, id); |