diff options
| -rw-r--r-- | hw/i2c/core.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/hw/i2c/core.c b/hw/i2c/core.c index 6639ca8..5483bf9 100644 --- a/hw/i2c/core.c +++ b/hw/i2c/core.c @@ -114,8 +114,11 @@ bool i2c_scan_bus(I2CBus *bus, uint8_t address, bool broadcast, * protocol uses a start transfer to switch from write to read mode * without releasing the bus. If that fails, the bus is still * in a transaction. + * + * @event must be I2C_START_RECV or I2C_START_SEND. */ -int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv) +static int i2c_do_start_transfer(I2CBus *bus, uint8_t address, + enum i2c_event event) { I2CSlaveClass *sc; I2CNode *node; @@ -157,7 +160,7 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv) if (sc->event) { trace_i2c_event("start", s->address); - rv = sc->event(s, is_recv ? I2C_START_RECV : I2C_START_SEND); + rv = sc->event(s, event); if (rv && !bus->broadcast) { if (bus_scanned) { /* First call, terminate the transfer. */ @@ -170,6 +173,13 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv) return 0; } +int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv) +{ + return i2c_do_start_transfer(bus, address, is_recv + ? I2C_START_RECV + : I2C_START_SEND); +} + void i2c_end_transfer(I2CBus *bus) { I2CSlaveClass *sc; |