From 15d0883663edccea29eeb9790052a11dd9977157 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 14 Aug 2012 22:21:07 -0300 Subject: [PATCH] [media] dvb_usb_v2: .reset_resume() support Add .reset_resume() support. Also some other small changes for suspend / resume. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/dvb-usb-v2/dvb_usb.h | 2 +- drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 42 +++++++++++++++++---- 2 files changed, 35 insertions(+), 9 deletions(-) diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h index 63fc275c6497..5a53c6231fc2 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h @@ -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); diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c index a0e70e91834a..e2d73e1a7ae0 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c @@ -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 "); MODULE_AUTHOR("Antti Palosaari "); -- 2.30.2