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[media] dvb-usb-v2: add tuner_detach callback 

Add tuner_detach callback in order to allow custom detach. It is
needed when tuner driver is implemented I2C client or some other
kernel bus, but not proprietary dvb_attach / dvb_detach.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
wifi-calibration
Antti Palosaari 2014-09-04 18:31:40 -03:00 committed by Mauro Carvalho Chehab
parent ca42129f86
commit 1066d77f68
2 changed files with 9 additions and 0 deletions
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1
drivers/media/usb/dvb-usb-v2/dvb_usb.h
View File

@ -257,6 +257,7 @@ struct dvb_usb_device_properties {
int (*frontend_attach) (struct dvb_usb_adapter *);
int (*frontend_detach)(struct dvb_usb_adapter *);
int (*tuner_attach) (struct dvb_usb_adapter *);
int (*tuner_detach)(struct dvb_usb_adapter *);
int (*frontend_ctrl) (struct dvb_frontend *, int);
int (*streaming_ctrl) (struct dvb_frontend *, int);
int (*init) (struct dvb_usb_device *);

8
drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
View File

@ -676,6 +676,14 @@ static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
}
}
if (d->props->tuner_detach) {
ret = d->props->tuner_detach(adap);
if (ret < 0) {
dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
__func__, ret);
}
}
if (d->props->frontend_detach) {
ret = d->props->frontend_detach(adap);
if (ret < 0) {