diff options
| -rw-r--r-- | include/linux/parport.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/parport.h b/include/linux/parport.h index f7ff0b0c403..f67f838a3a1 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -236,12 +236,14 @@ struct pardevice { /* IEEE1284 information */ -/* IEEE1284 phases */ +/* IEEE1284 phases. These are exposed to userland through ppdev IOCTL + * PP[GS]ETPHASE, so do not change existing values. */ enum ieee1284_phase { IEEE1284_PH_FWD_DATA, IEEE1284_PH_FWD_IDLE, IEEE1284_PH_TERMINATE, IEEE1284_PH_NEGOTIATION, + IEEE1284_PH_HBUSY_DNA, IEEE1284_PH_REV_IDLE, IEEE1284_PH_HBUSY_DAVAIL, IEEE1284_PH_REV_DATA, |