V4L/DVB (8718): gspca: suspend/resume added.
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/conex.c b/drivers/media/video/gspca/conex.c
index cd3a3f5..739ef557 100644
--- a/drivers/media/video/gspca/conex.c
+++ b/drivers/media/video/gspca/conex.c
@@ -1026,6 +1026,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c
index ca23c3f..a3cccab 100644
--- a/drivers/media/video/gspca/etoms.c
+++ b/drivers/media/video/gspca/etoms.c
@@ -926,6 +926,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 15d302b..2f7bf26 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -114,7 +114,8 @@
cam_pkt_op pkt_scan;
if (urb->status != 0) {
- PDEBUG(D_ERR|D_PACK, "urb status: %d", urb->status);
+ if (!gspca_dev->frozen)
+ PDEBUG(D_ERR|D_PACK, "urb status: %d", urb->status);
return; /* disconnection ? */
}
pkt_scan = gspca_dev->sd_desc->pkt_scan;
@@ -1808,6 +1809,33 @@
}
EXPORT_SYMBOL(gspca_disconnect);
+#ifdef CONFIG_PM
+int gspca_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct gspca_dev *gspca_dev = usb_get_intfdata(intf);
+
+ if (!gspca_dev->streaming)
+ return 0;
+ gspca_dev->frozen = 1; /* avoid urb error messages */
+ gspca_dev->sd_desc->stopN(gspca_dev);
+ destroy_urbs(gspca_dev);
+ gspca_set_alt0(gspca_dev);
+ gspca_dev->sd_desc->stop0(gspca_dev);
+ return 0;
+}
+EXPORT_SYMBOL(gspca_suspend);
+
+int gspca_resume(struct usb_interface *intf)
+{
+ struct gspca_dev *gspca_dev = usb_get_intfdata(intf);
+
+ gspca_dev->frozen = 0;
+ if (!gspca_dev->streaming)
+ return 0;
+ return gspca_init_transfer(gspca_dev);
+}
+EXPORT_SYMBOL(gspca_resume);
+#endif
/* -- cam driver utility functions -- */
/* auto gain and exposure algorithm based on the knee algorithm described here:
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 5cb5845..2596568 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -154,6 +154,9 @@
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() */
@@ -173,6 +176,10 @@
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 */
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c
index 21c4ee5..d7e2095 100644
--- a/drivers/media/video/gspca/mars.c
+++ b/drivers/media/video/gspca/mars.c
@@ -439,6 +439,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index b4f00ec..c132f8d 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2132,6 +2132,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c
index cee45b0..d9668f4 100644
--- a/drivers/media/video/gspca/pac207.c
+++ b/drivers/media/video/gspca/pac207.c
@@ -596,6 +596,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index e4f56e0..4cc9379 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -936,6 +936,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index 11210c7..e535ced 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -1231,6 +1231,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 11a29a9..0d46776 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -1617,6 +1617,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca500.c b/drivers/media/video/gspca/spca500.c
index 17fe2c2..5a20385fb 100644
--- a/drivers/media/video/gspca/spca500.c
+++ b/drivers/media/video/gspca/spca500.c
@@ -1093,6 +1093,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca501.c b/drivers/media/video/gspca/spca501.c
index 51a3c34..525f1b3 100644
--- a/drivers/media/video/gspca/spca501.c
+++ b/drivers/media/video/gspca/spca501.c
@@ -2154,6 +2154,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca505.c b/drivers/media/video/gspca/spca505.c
index eda29d6..8f00558 100644
--- a/drivers/media/video/gspca/spca505.c
+++ b/drivers/media/video/gspca/spca505.c
@@ -855,6 +855,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca506.c b/drivers/media/video/gspca/spca506.c
index f622fa7..ae77248 100644
--- a/drivers/media/video/gspca/spca506.c
+++ b/drivers/media/video/gspca/spca506.c
@@ -772,6 +772,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c
index 699340c..7b38c4e 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -1667,6 +1667,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
index ec575f5..b6a013f 100644
--- a/drivers/media/video/gspca/spca561.c
+++ b/drivers/media/video/gspca/spca561.c
@@ -1184,6 +1184,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/stk014.c b/drivers/media/video/gspca/stk014.c
index 16219cf..387a8cf 100644
--- a/drivers/media/video/gspca/stk014.c
+++ b/drivers/media/video/gspca/stk014.c
@@ -564,6 +564,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c
index 54efa48..c935384 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -1456,6 +1456,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index fd6918e..357a2ed 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -1014,6 +1014,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/tv8532.c b/drivers/media/video/gspca/tv8532.c
index 1ff8ba2..d227362 100644
--- a/drivers/media/video/gspca/tv8532.c
+++ b/drivers/media/video/gspca/tv8532.c
@@ -644,6 +644,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index f4a5295..47c7ce6 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -1774,6 +1774,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
/* -- module insert / remove -- */
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index d36f4d7..79436f2 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -7584,6 +7584,10 @@
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+#endif
};
static int __init sd_mod_init(void)