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>
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 2ae1ad7..50913ca 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -142,22 +142,21 @@
char fr_q; /* next frame to queue */
char fr_o; /* next frame to dequeue */
signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */
- char last_packet_type;
+ __u8 last_packet_type;
+ __s8 empty_packet; /* if (-1) don't check empty packets */
+ __u8 streaming;
- __u8 iface; /* USB interface number */
- __u8 alt; /* USB alternate setting */
__u8 curr_mode; /* current camera mode */
__u32 pixfmt; /* current mode parameters */
__u16 width;
__u16 height;
+ __u32 sequence; /* frame sequence number */
atomic_t nevent; /* number of frames done */
wait_queue_head_t wq; /* wait queue */
struct mutex usb_lock; /* usb exchange protection */
struct mutex read_lock; /* read protection */
struct mutex queue_lock; /* ISOC queue protection */
- __u32 sequence; /* frame sequence number */
- char streaming;
#ifdef CONFIG_PM
char frozen; /* suspend - resume */
#endif
@@ -166,6 +165,8 @@
char nbufread; /* number of buffers for read() */
char nurbs; /* number of allocated URBs */
char memory; /* memory type (V4L2_MEMORY_xxx) */
+ __u8 iface; /* USB interface number */
+ __u8 alt; /* USB alternate setting */
__u8 nbalt; /* number of USB alternate settings */
};