diff options
Diffstat (limited to 'drivers/media/video/gspca')
22 files changed, 116 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c index cd3a3f5829b2..739ef557c434 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 ca23c3f9aaa2..a3cccab7b814 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 15d302b28b79..2f7bf263255c 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 5cb584546ee6..2596568e82fd 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 21c4ee56a10a..d7e209578186 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 b4f00ec0885c..c132f8d2cf05 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 cee45b0486cb..d9668f4cb4d1 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 e4f56e0d3ff3..4cc9379ee411 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 11210c71f66c..e535ced79f16 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 11a29a969602..0d4677688c91 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 17fe2c2a440d..5a20385fb170 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 51a3c3429ef0..525f1b3400e4 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 eda29d609359..8f00558c2f59 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 f622fa75766d..ae772488cf73 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 699340c17dea..7b38c4e70fdf 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 ec575f5672df..b6a013f1dec4 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 16219cf6a6d5..387a8cf2b3b1 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 54efa48bee01..c935384fc232 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 fd6918eefbb0..357a2edad21e 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 1ff8ba2f7fe5..d2273624a91d 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 f4a52956e0d9..47c7ce641d99 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 d36f4d7d22b7..79436f27cd4e 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) |