Add frontend_detach callback in order to allow custom detach. It is
needed when demod driver is implemented I2C client or some other
kernel bus, but not proprietary dvb_attach / dvb_detach.
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/usb/dvb-usb-v2/dvb_usb.h | 2 ++
drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 16 +++++++++++++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
index 124b4ba..7e36ee0 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
@@ -214,6 +214,7 @@ struct dvb_usb_adapter_properties {
* @read_config: called to resolve device configuration
* @read_mac_address: called to resolve adapter mac-address
* @frontend_attach: called to attach the possible frontends
+ * @frontend_detach: called to detach the possible frontends
* @tuner_attach: called to attach the possible tuners
* @frontend_ctrl: called to power on/off active frontend
* @streaming_ctrl: called to start/stop the usb streaming of adapter
@@ -254,6 +255,7 @@ struct dvb_usb_device_properties {
int (*read_config) (struct dvb_usb_device *d);
int (*read_mac_address) (struct dvb_usb_adapter *, u8 []);
int (*frontend_attach) (struct dvb_usb_adapter *);
+ int (*frontend_detach)(struct dvb_usb_adapter *);
int (*tuner_attach) (struct dvb_usb_adapter *);
int (*frontend_ctrl) (struct dvb_frontend *, int);
int (*streaming_ctrl) (struct dvb_frontend *, int);
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 6c33d85..92bb297 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -664,9 +664,10 @@ err:
static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
{
- int i;
- dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
- adap->id);
+ int ret, i;
+ struct dvb_usb_device *d = adap_to_d(adap);
+
+ dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
if (adap->fe[i]) {
@@ -675,6 +676,15 @@ static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
}
}
+ if (d->props->frontend_detach) {
+ ret = d->props->frontend_detach(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev,
+ "%s: frontend_detach() failed=%d\n",
+ __func__, ret);
+ }
+ }
+
return 0;
}
--
http://palosaari.fi/
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