diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-03-31 18:26:29 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-05-07 19:14:41 +0300 |
| commit | 285364e96818c1a5f715fe256557b4a718222bc6 (patch) | |
| tree | a9779bdc44fa5804d77657d2c4ef29e79b00e9a0 /include | |
| parent | aa93200b88fb1071eaf21bf766711762ed4630e2 (diff) | |
smbus: allow returning an error from reads
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/i2c/smbus.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus.h index 63f0cc4788..285d3b5de3 100644 --- a/include/hw/i2c/smbus.h +++ b/include/hw/i2c/smbus.h @@ -67,11 +67,11 @@ struct SMBusDevice { /* Master device commands. */ void smbus_quick_command(I2CBus *bus, uint8_t addr, int read); -uint8_t smbus_receive_byte(I2CBus *bus, uint8_t addr); +int smbus_receive_byte(I2CBus *bus, uint8_t addr); void smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data); -uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command); +int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command); void smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data); -uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command); +int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command); void smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data); int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data); void smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data, |