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[media] az6007: handle CI during suspend/resume 

The dvb-usb-v2 core doesn't know anything about CI. So, the
driver needs to handle it by hand. This patch stops CI just
before stopping URB's/RC, and restarts it before URB/RC start.

It should be noticed that suspend/resume is not yet working properly,
as the PM model requires the implementation of reset_resume:
	dvb_usb_az6007 1-6:1.0: no reset_resume for driver dvb_usb_az6007?
But this is not implemented there at dvb-usb-v2 yet.

Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-08-05 09:25:34 -03:00
parent 0ca477ea8d
commit 6da74b1da2
1 changed files with 23 additions and 2 deletions
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25
drivers/media/dvb/dvb-usb-v2/az6007.c
View File

@ -876,16 +876,37 @@ static struct usb_device_id az6007_usb_table[] = {
MODULE_DEVICE_TABLE(usb, az6007_usb_table);
static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
az6007_ci_uninit(d);
return dvb_usbv2_suspend(intf, msg);
}
static int az6007_resume(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
struct dvb_usb_adapter *adap = &d->adapter[0];
az6007_ci_init(adap);
return dvb_usbv2_resume(intf);
}
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver az6007_usb_driver = {
.name = KBUILD_MODNAME,
.id_table = az6007_usb_table,
.probe = dvb_usbv2_probe,
.disconnect = az6007_usb_disconnect,
.suspend = dvb_usbv2_suspend,
.resume = dvb_usbv2_resume,
.no_dynamic_id = 1,
.soft_unbind = 1,
/*
* FIXME: need to implement reset_resume, likely with
* dvb-usb-v2 core support
*/
.suspend = az6007_suspend,
.resume = az6007_resume,
};
module_usb_driver(az6007_usb_driver);