diff options
| author | Uri Shkolnik <uris@siano-ms.com> | 2008-11-22 14:08:46 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:41 -0200 |
| commit | 2f56c34b2bc25a5a3419715f38f7d761fcd61b23 (patch) | |
| tree | 71f464794be519d8ece5a865e5e5515a9577bc48 /drivers/media/dvb/siano/smsusb.c | |
| parent | 7b29e10d609035b5f93546ac6bcd1c5d810476a7 (diff) | |
| download | lwn-2f56c34b2bc25a5a3419715f38f7d761fcd61b23.tar.gz lwn-2f56c34b2bc25a5a3419715f38f7d761fcd61b23.zip | |
V4L/DVB (9740): sms1xxx: add USB suspend and hibernation support
This patch provides USB suspend and hibernation support
for Siano's SMS chipset based USB device
Signed-off-by: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/siano/smsusb.c')
| -rw-r--r-- | drivers/media/dvb/siano/smsusb.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c index 87a3c24454b9..5d7ca3417719 100644 --- a/drivers/media/dvb/siano/smsusb.c +++ b/drivers/media/dvb/siano/smsusb.c @@ -432,11 +432,56 @@ static void smsusb_disconnect(struct usb_interface *intf) smsusb_term_device(intf); } +static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg) +{ + struct smsusb_device_t *dev = + (struct smsusb_device_t *)usb_get_intfdata(intf); + printk(KERN_INFO "%s Entering status %d.\n", __func__, msg.event); + smsusb_stop_streaming(dev); + return 0; +} + +static int smsusb_resume(struct usb_interface *intf) +{ + int rc, i; + struct smsusb_device_t *dev = + (struct smsusb_device_t *)usb_get_intfdata(intf); + struct usb_device *udev = interface_to_usbdev(intf); + + printk(KERN_INFO "%s Entering.\n", __func__); + usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); + usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); + + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) + printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, + intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, + intf->cur_altsetting->endpoint[i].desc.bmAttributes, + intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + + if (intf->num_altsetting > 0) { + rc = usb_set_interface(udev, + intf->cur_altsetting->desc. + bInterfaceNumber, 0); + if (rc < 0) { + printk(KERN_INFO + "%s usb_set_interface failed, rc %d\n", + __func__, rc); + return rc; + } + } + + smsusb_start_streaming(dev); + return 0; +} + static struct usb_driver smsusb_driver = { .name = "sms1xxx", .probe = smsusb_probe, .disconnect = smsusb_disconnect, .id_table = smsusb_id_table, + + .suspend = smsusb_suspend, + .resume = smsusb_resume, }; int smsusb_register(void) |