u8 command, u16 value);
extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/* Returns the number of read bytes */
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
u8 command, u8 *values);
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/*
* A driver is capable of handling one or more physical devices present on
to NULL. If an adapter algorithm can do SMBus access, set
smbus_xfer. If set to NULL, the SMBus protocol is simulated
using common I2C messages */
+ /* master_xfer should return the number of messages successfully
+ processed, or a negative value on error */
int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
int num);
int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,