diff options
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_ringbuffer.h')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ringbuffer.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h index d97714e75736..890826262966 100644 --- a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h +++ b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h @@ -69,6 +69,7 @@ struct dvb_ringbuffer { ** to lock read or write operations. ** Two or more readers must be locked against each other. ** Flushing the buffer counts as a read operation. +** Resetting the buffer counts as a read and write operation. ** Two or more writers must be locked against each other. */ @@ -85,6 +86,13 @@ extern ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf); extern ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf); +/* +** Reset the read and write pointers to zero and flush the buffer +** This counts as a read and write operation +*/ +extern void dvb_ringbuffer_reset(struct dvb_ringbuffer *rbuf); + + /* read routines & macros */ /* ---------------------- */ /* flush buffer */ |