diff options
Diffstat (limited to 'sys/dev/iicbus/iiconf.c')
| -rw-r--r-- | sys/dev/iicbus/iiconf.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/dev/iicbus/iiconf.c b/sys/dev/iicbus/iiconf.c index e28d341..8ac8a47 100644 --- a/sys/dev/iicbus/iiconf.c +++ b/sys/dev/iicbus/iiconf.c @@ -395,6 +395,21 @@ iicbus_transfer(device_t bus, struct iic_msg *msgs, uint32_t nmsgs) return (IICBUS_TRANSFER(device_get_parent(bus), msgs, nmsgs)); } +int +iicbus_transfer_excl(device_t dev, struct iic_msg *msgs, uint32_t nmsgs, + int how) +{ + device_t bus; + int error; + + bus = device_get_parent(dev); + error = iicbus_request_bus(bus, dev, how); + if (error == 0) + error = IICBUS_TRANSFER(bus, msgs, nmsgs); + iicbus_release_bus(bus, dev); + return (error); +} + /* * Generic version of iicbus_transfer that calls the appropriate * routines to accomplish this. See note above about acceptable |
