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[media] dvb_usb_v2: .reset_resume() support 

Add .reset_resume() support.
Also some other small changes for suspend / resume.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-08-14 22:21:07 -03:00 committed by Mauro Carvalho Chehab
parent 06bae1227a
commit 15d0883663
2 changed files with 35 additions and 9 deletions
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2
drivers/media/usb/dvb-usb-v2/dvb_usb.h
View File

@ -383,7 +383,7 @@ extern int dvb_usbv2_probe(struct usb_interface *,
extern void dvb_usbv2_disconnect(struct usb_interface *);
extern int dvb_usbv2_suspend(struct usb_interface *, pm_message_t);
extern int dvb_usbv2_resume(struct usb_interface *);
#define dvb_usbv2_reset_resume dvb_usbv2_resume
extern int dvb_usbv2_reset_resume(struct usb_interface *);
/* the generic read/write method for device control */
extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16);

42
drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
View File

@ -952,7 +952,7 @@ EXPORT_SYMBOL(dvb_usbv2_disconnect);
int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
int i, active_fe;
int ret = 0, i, active_fe;
struct dvb_frontend *fe;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@ -972,18 +972,17 @@ int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
/* stop usb streaming */
usb_urb_killv2(&d->adapter[i].stream);
dvb_frontend_suspend(fe);
ret = dvb_frontend_suspend(fe);
}
}
return 0;
return ret;
}
EXPORT_SYMBOL(dvb_usbv2_suspend);
int dvb_usbv2_resume(struct usb_interface *intf)
static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
int i, active_fe;
int ret = 0, i, active_fe;
struct dvb_frontend *fe;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@ -992,7 +991,7 @@ int dvb_usbv2_resume(struct usb_interface *intf)
if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
fe = d->adapter[i].fe[active_fe];
dvb_frontend_resume(fe);
ret = dvb_frontend_resume(fe);
/* resume usb streaming */
usb_urb_submitv2(&d->adapter[i].stream, NULL);
@ -1009,10 +1008,37 @@ int dvb_usbv2_resume(struct usb_interface *intf)
schedule_delayed_work(&d->rc_query_work,
msecs_to_jiffies(d->rc.interval));
return 0;
return ret;
}
int dvb_usbv2_resume(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
dev_dbg(&d->udev->dev, "%s:\n", __func__);
return dvb_usbv2_resume_common(d);
}
EXPORT_SYMBOL(dvb_usbv2_resume);
int dvb_usbv2_reset_resume(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
dvb_usbv2_device_power_ctrl(d, 1);
if (d->props->init)
d->props->init(d);
ret = dvb_usbv2_resume_common(d);
dvb_usbv2_device_power_ctrl(d, 0);
return ret;
}
EXPORT_SYMBOL(dvb_usbv2_reset_resume);
MODULE_VERSION("2.0");
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");