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authorJean-Francois Moine <moinejf@free.fr>2008-09-03 16:48:10 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-09-03 18:36:58 -0300
commit6a709749228c5f76f128c69c16f39a52d639bd96 (patch)
tree1fffc8a2fc92674153c9d065d8a9d134caf3a507 /drivers/media
parent5d05294ac8f6b5d592ee3379fbddd0fb9d1b4c87 (diff)
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>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/gspca/conex.c4
-rw-r--r--drivers/media/video/gspca/etoms.c4
-rw-r--r--drivers/media/video/gspca/gspca.c30
-rw-r--r--drivers/media/video/gspca/gspca.h7
-rw-r--r--drivers/media/video/gspca/mars.c4
-rw-r--r--drivers/media/video/gspca/ov519.c4
-rw-r--r--drivers/media/video/gspca/pac207.c4
-rw-r--r--drivers/media/video/gspca/pac7311.c4
-rw-r--r--drivers/media/video/gspca/sonixb.c4
-rw-r--r--drivers/media/video/gspca/sonixj.c4
-rw-r--r--drivers/media/video/gspca/spca500.c4
-rw-r--r--drivers/media/video/gspca/spca501.c4
-rw-r--r--drivers/media/video/gspca/spca505.c4
-rw-r--r--drivers/media/video/gspca/spca506.c4
-rw-r--r--drivers/media/video/gspca/spca508.c4
-rw-r--r--drivers/media/video/gspca/spca561.c4
-rw-r--r--drivers/media/video/gspca/stk014.c4
-rw-r--r--drivers/media/video/gspca/sunplus.c4
-rw-r--r--drivers/media/video/gspca/t613.c4
-rw-r--r--drivers/media/video/gspca/tv8532.c4
-rw-r--r--drivers/media/video/gspca/vc032x.c4
-rw-r--r--drivers/media/video/gspca/zc3xx.c4
22 files changed, 116 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c
index cd3a3f5829b..739ef557c43 100644
--- a/drivers/media/video/gspca/conex.c
+++ b/drivers/media/video/gspca/conex.c
@@ -1026,6 +1026,10 @@ static struct usb_driver sd_driver = {
.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 ca23c3f9aaa..a3cccab7b81 100644
--- a/drivers/media/video/gspca/etoms.c
+++ b/drivers/media/video/gspca/etoms.c
@@ -926,6 +926,10 @@ static struct usb_driver sd_driver = {
.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 15d302b28b7..2f7bf263255 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -114,7 +114,8 @@ static void fill_frame(struct gspca_dev *gspca_dev,
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 @@ void gspca_disconnect(struct usb_interface *intf)
}
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 5cb584546ee..2596568e82f 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -154,6 +154,9 @@ 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() */
@@ -173,6 +176,10 @@ 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 */
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c
index 21c4ee56a10..d7e20957818 100644
--- a/drivers/media/video/gspca/mars.c
+++ b/drivers/media/video/gspca/mars.c
@@ -439,6 +439,10 @@ static struct usb_driver sd_driver = {
.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 b4f00ec0885..c132f8d2cf0 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2132,6 +2132,10 @@ static struct usb_driver sd_driver = {
.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 cee45b0486c..d9668f4cb4d 100644
--- a/drivers/media/video/gspca/pac207.c
+++ b/drivers/media/video/gspca/pac207.c
@@ -596,6 +596,10 @@ static struct usb_driver sd_driver = {
.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 e4f56e0d3ff..4cc9379ee41 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -936,6 +936,10 @@ static struct usb_driver sd_driver = {
.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 11210c71f66..e535ced79f1 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -1231,6 +1231,10 @@ static struct usb_driver sd_driver = {
.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 11a29a96960..0d4677688c9 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -1617,6 +1617,10 @@ static struct usb_driver sd_driver = {
.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 17fe2c2a440..5a20385fb17 100644
--- a/drivers/media/video/gspca/spca500.c
+++ b/drivers/media/video/gspca/spca500.c
@@ -1093,6 +1093,10 @@ static struct usb_driver sd_driver = {
.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 51a3c3429ef..525f1b3400e 100644
--- a/drivers/media/video/gspca/spca501.c
+++ b/drivers/media/video/gspca/spca501.c
@@ -2154,6 +2154,10 @@ static struct usb_driver sd_driver = {
.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 eda29d60935..8f00558c2f5 100644
--- a/drivers/media/video/gspca/spca505.c
+++ b/drivers/media/video/gspca/spca505.c
@@ -855,6 +855,10 @@ static struct usb_driver sd_driver = {
.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 f622fa75766..ae772488cf7 100644
--- a/drivers/media/video/gspca/spca506.c
+++ b/drivers/media/video/gspca/spca506.c
@@ -772,6 +772,10 @@ static struct usb_driver sd_driver = {
.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 699340c17de..7b38c4e70fd 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -1667,6 +1667,10 @@ static struct usb_driver sd_driver = {
.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 ec575f5672d..b6a013f1dec 100644
--- a/drivers/media/video/gspca/spca561.c
+++ b/drivers/media/video/gspca/spca561.c
@@ -1184,6 +1184,10 @@ static struct usb_driver sd_driver = {
.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 16219cf6a6d..387a8cf2b3b 100644
--- a/drivers/media/video/gspca/stk014.c
+++ b/drivers/media/video/gspca/stk014.c
@@ -564,6 +564,10 @@ static struct usb_driver sd_driver = {
.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 54efa48bee0..c935384fc23 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -1456,6 +1456,10 @@ static struct usb_driver sd_driver = {
.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 fd6918eefbb..357a2edad21 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -1014,6 +1014,10 @@ static struct usb_driver sd_driver = {
.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 1ff8ba2f7fe..d2273624a91 100644
--- a/drivers/media/video/gspca/tv8532.c
+++ b/drivers/media/video/gspca/tv8532.c
@@ -644,6 +644,10 @@ static struct usb_driver sd_driver = {
.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 f4a52956e0d..47c7ce641d9 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -1774,6 +1774,10 @@ static struct usb_driver sd_driver = {
.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 d36f4d7d22b..79436f27cd4 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -7584,6 +7584,10 @@ static struct usb_driver sd_driver = {
.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)