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Diffstat (limited to 'include/hw/i2c/smbus_slave.h')
-rw-r--r--include/hw/i2c/smbus_slave.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/hw/i2c/smbus_slave.h b/include/hw/i2c/smbus_slave.h
index 46b8948f0f..5ef1c72ad0 100644
--- a/include/hw/i2c/smbus_slave.h
+++ b/include/hw/i2c/smbus_slave.h
@@ -40,6 +40,11 @@ typedef struct SMBusDevice SMBusDevice;
typedef struct SMBusDeviceClass
{
I2CSlaveClass parent_class;
+
+ /*
+ * An operation with no data, special in SMBus.
+ * This may be NULL, quick commands are ignore in that case.
+ */
void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
void (*send_byte)(SMBusDevice *dev, uint8_t val);
uint8_t (*receive_byte)(SMBusDevice *dev);