diff options
Diffstat (limited to 'include/media/dvbdev.h')
| -rw-r--r-- | include/media/dvbdev.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/media/dvbdev.h b/include/media/dvbdev.h index 2f6b0861322a..6ccff7c6fa6b 100644 --- a/include/media/dvbdev.h +++ b/include/media/dvbdev.h @@ -87,7 +87,11 @@ struct dvb_frontend; * @device: pointer to struct device * @module: pointer to struct module * @mfe_shared: indicates mutually exclusive frontends. - * Use of this flag is currently deprecated. + * 1 = legacy exclusion behavior: blocking any open() call + * 2 = enhanced exclusion behavior, emulating the standard + * behavior of busy frontends: allowing read-only sharing + * and otherwise returning immediately with -EBUSY when any + * of the frontends is already opened with write access. * @mfe_dvbdev: Frontend device in use, in the case of MFE * @mfe_lock: Lock to prevent using the other frontends when MFE is * used. |