V4L/DVB (12229): gspca - main: Change the ISOC initialization mechanism.
- call a new subdriver function 'isoc_init' before chosing the first
alternate setting.
- call a new subdriver function 'isoc_nego' when submitting the URBs failed.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 46c4eff..70b1fd8 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -98,9 +98,11 @@
/* mandatory operations */
cam_cf_op config; /* called on probe */
cam_op init; /* called on probe and resume */
- cam_op start; /* called on stream on */
+ cam_op start; /* called on stream on after URBs creation */
cam_pkt_op pkt_scan;
/* optional operations */
+ cam_op isoc_init; /* called on stream on before getting the EP */
+ cam_op isoc_nego; /* called when URB submit failed with NOSPC */
cam_v_op stopN; /* called on stream off - main alt */
cam_v_op stop0; /* called on stream off & disconnect - alt 0 */
cam_v_op dq_callback; /* called when a frame has been dequeued */
@@ -178,6 +180,7 @@
__u8 iface; /* USB interface number */
__u8 alt; /* USB alternate setting */
__u8 nbalt; /* number of USB alternate settings */
+ u16 pkt_size; /* ISOC packet size */
};
int gspca_dev_probe(struct usb_interface *intf,