diff options
Diffstat (limited to 'hw/i2c/smbus.c')
| -rw-r--r-- | hw/i2c/smbus.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/i2c/smbus.c b/hw/i2c/smbus.c index 3979b3dad7..5b4dd3eba4 100644 --- a/hw/i2c/smbus.c +++ b/hw/i2c/smbus.c @@ -248,7 +248,9 @@ int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command) return -1; } i2c_send(bus, command); - i2c_start_transfer(bus, addr, 1); + if (i2c_start_transfer(bus, addr, 1)) { + assert(0); + } data = i2c_recv(bus); i2c_nack(bus); i2c_end_transfer(bus); @@ -273,7 +275,9 @@ int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command) return -1; } i2c_send(bus, command); - i2c_start_transfer(bus, addr, 1); + if (i2c_start_transfer(bus, addr, 1)) { + assert(0); + } data = i2c_recv(bus); data |= i2c_recv(bus) << 8; i2c_nack(bus); @@ -302,7 +306,9 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data) return -1; } i2c_send(bus, command); - i2c_start_transfer(bus, addr, 1); + if (i2c_start_transfer(bus, addr, 1)) { + assert(0); + } len = i2c_recv(bus); if (len > 32) { len = 0; |