diff options
| author | Michael Krufky <mkrufky@linuxtv.org> | 2008-11-22 12:08:46 -0500 |
|---|---|---|
| committer | Michael Krufky <mkrufky@linuxtv.org> | 2008-11-22 12:08:46 -0500 |
| commit | 31674e74f8cbf0314f12262b769aa8254e49805f (patch) | |
| tree | d05c41454ac36bed0eab337ed98e48b6c9897f77 | |
| parent | 7026808ec63b0f4aa67bc7d067510957924dcbb7 (diff) | |
| download | mediapointer-dvb-s2-31674e74f8cbf0314f12262b769aa8254e49805f.tar.gz mediapointer-dvb-s2-31674e74f8cbf0314f12262b769aa8254e49805f.tar.bz2 | |
sms1xxx: add USB suspend and hibernation support
From: Uri Shkolnik <uris@siano-ms.com>
This patch provides USB suspend and hibernation support
for Siano's SMS chipset based USB device
Priority: normal
Signed-off-by: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
| -rw-r--r-- | linux/drivers/media/dvb/siano/smsusb.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/siano/smsusb.c b/linux/drivers/media/dvb/siano/smsusb.c index a50ea8259..fd191b0ef 100644 --- a/linux/drivers/media/dvb/siano/smsusb.c +++ b/linux/drivers/media/dvb/siano/smsusb.c @@ -436,11 +436,56 @@ 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) |