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[media] dvb_usb_v2: add .get_usb_stream_config()

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New callback to resolve current USB stream configuration.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-05-28 21:28:01 -03:00 committed by Mauro Carvalho Chehab
parent 15072bba79
commit 39831f094f
3 changed files with 31 additions and 4 deletions
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2
drivers/media/dvb/dvb-usb/dvb_usb.h
View file

@ -240,6 +240,8 @@ struct dvb_usb_device_properties {
int (*identify_state) (struct dvb_usb_device *);
int (*init) (struct dvb_usb_device *);
int (*get_rc_config) (struct dvb_usb_device *, struct dvb_usb_rc *);
int (*get_usb_stream_config) (struct dvb_frontend *,
struct usb_data_stream_properties *);
struct i2c_algorithm *i2c_algo;

16
drivers/media/dvb/dvb-usb/dvb_usb_dvb.c
View file

@ -56,8 +56,22 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
* for reception.
*/
if (adap->feedcount == onoff && adap->feedcount > 0) {
struct usb_data_stream_properties stream_props;
/* resolve USB stream configuration */
if (adap->dev->props.get_usb_stream_config) {
ret = adap->dev->props.get_usb_stream_config(
adap->fe_adap[adap->active_fe].fe,
&stream_props);
if (ret < 0)
return ret;
} else {
stream_props = adap->props.fe[adap->active_fe].stream;
}
deb_ts("submitting all URBs\n");
usb_urb_submit(&adap->fe_adap[adap->active_fe].stream, NULL);
usb_urb_submit(&adap->fe_adap[adap->active_fe].stream,
&stream_props);
deb_ts("controlling pid parser\n");
if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER &&

17
drivers/media/dvb/dvb-usb/dvb_usb_urb.c
View file

@ -94,8 +94,9 @@ static void dvb_usb_data_complete_raw(struct usb_data_stream *stream,
int dvb_usb_adapter_stream_init(struct dvb_usb_adapter *adap)
{
int i, ret = 0;
for (i = 0; i < adap->props.num_frontends; i++) {
struct usb_data_stream_properties stream_props;
for (i = 0; i < adap->props.num_frontends; i++) {
adap->fe_adap[i].stream.udev = adap->dev->udev;
if (adap->props.fe[i].caps & DVB_USB_ADAP_RECEIVES_204_BYTE_TS)
adap->fe_adap[i].stream.complete =
@ -107,8 +108,18 @@ int dvb_usb_adapter_stream_init(struct dvb_usb_adapter *adap)
else
adap->fe_adap[i].stream.complete = dvb_usb_data_complete;
adap->fe_adap[i].stream.user_priv = adap;
ret = usb_urb_init(&adap->fe_adap[i].stream,
&adap->props.fe[i].stream);
/* resolve USB stream configuration */
if (adap->dev->props.get_usb_stream_config) {
ret = adap->dev->props.get_usb_stream_config(NULL,
&stream_props);
if (ret < 0)
break;
} else {
stream_props = adap->props.fe[i].stream;
}
ret = usb_urb_init(&adap->fe_adap[i].stream, &stream_props);
if (ret < 0)
break;
}