diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/dvb-usb.h')
| -rw-r--r-- | drivers/media/usb/dvb-usb/dvb-usb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index 32829bdd5f22..2eb0e24e8943 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -129,6 +129,9 @@ struct usb_data_stream_properties { * @frontend_ctrl: called to power on/off active frontend. * @streaming_ctrl: called to start and stop the MPEG2-TS streaming of the * device (not URB submitting/killing). + * This callback will be called without data URBs being active - data URBs + * will be submitted only after streaming_ctrl(1) returns successfully and + * they will be killed before streaming_ctrl(0) gets called. * @pid_filter_ctrl: called to en/disable the PID filter, if any. * @pid_filter: called to set/unset a PID for filtering. * @frontend_attach: called to attach the possible frontends (fill fe-field @@ -234,6 +237,11 @@ enum dvb_usb_mode { * * @size_of_priv: how many bytes shall be allocated for the private field * of struct dvb_usb_device. + * @priv_init: optional callback to initialize the variable that private field + * of struct dvb_usb_device has pointer to just after it had been allocated and + * zeroed. + * @priv_destroy: just like priv_init, only called before deallocating + * the memory pointed by private field of struct dvb_usb_device. * * @power_ctrl: called to enable/disable power of the device. * @read_mac_address: called to read the MAC address of the device. @@ -275,6 +283,8 @@ struct dvb_usb_device_properties { int no_reconnect; int size_of_priv; + int (*priv_init)(struct dvb_usb_device *); + void (*priv_destroy)(struct dvb_usb_device *); int num_adapters; struct dvb_usb_adapter_properties adapter[MAX_NO_OF_ADAPTER_PER_DEVICE]; |