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Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
-rw-r--r--drivers/media/video/gspca/gspca.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 67e448940eaa..c17625cff9ba 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -56,7 +56,6 @@ extern int gspca_debug;
/* device information - set at probe time */
struct cam {
- char *dev_name;
struct v4l2_pix_format *cam_mode; /* size nmodes */
char nmodes;
__u8 epaddr;
@@ -91,15 +90,14 @@ struct sd_desc {
/* controls */
const struct ctrl *ctrls;
int nctrls;
-/* operations */
+/* mandatory operations */
cam_cf_op config; /* called on probe */
- cam_op open; /* called on open */
+ cam_op init; /* called on probe and resume */
cam_v_op start; /* called on stream on */
- cam_v_op stopN; /* called on stream off - main alt */
- cam_v_op stop0; /* called on stream off - alt 0 */
- cam_v_op close; /* called on close */
cam_pkt_op pkt_scan;
/* optional operations */
+ cam_v_op stopN; /* called on stream off - main alt */
+ cam_v_op stop0; /* called on stream off - alt 0 */
cam_v_op dq_callback; /* called when a frame has been dequeued */
cam_jpg_op get_jcomp;
cam_jpg_op set_jcomp;
@@ -127,8 +125,10 @@ struct gspca_dev {
struct cam cam; /* device information */
const struct sd_desc *sd_desc; /* subdriver description */
+ unsigned ctrl_dis; /* disabled controls (bit map) */
- __u8 usb_buf[8]; /* buffer for USB exchanges */
+#define USB_BUF_SZ 64
+ __u8 *usb_buf; /* buffer for USB exchanges */
struct urb *urb[MAX_NURBS];
__u8 *frbuf; /* buffer for nframes */
@@ -155,6 +155,9 @@ struct gspca_dev {
struct mutex queue_lock; /* ISOC queue protection */
__u32 sequence; /* frame sequence number */
char streaming;
+#ifdef CONFIG_PM
+ char frozen; /* suspend - resume */
+#endif
char users; /* number of opens */
char present; /* device connected */
char nbufread; /* number of buffers for read() */
@@ -174,6 +177,10 @@ struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev,
struct gspca_frame *frame,
const __u8 *data,
int len);
+#ifdef CONFIG_PM
+int gspca_suspend(struct usb_interface *intf, pm_message_t message);
+int gspca_resume(struct usb_interface *intf);
+#endif
int gspca_auto_gain_n_exposure(struct gspca_dev *gspca_dev, int avg_lum,
int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee);
#endif /* GSPCAV2_H */