i2c_smbus_write_block_data (9)

s32 i2c_smbus_write_block_data(const struct i2c_client * client, u8 command, u8 length, const u8 * values);

client

Handle to slave device

command

Byte interpreted by slave

length

Size of data block; SMBus allows at most 32 bytes

values

Byte array which will be written.

This executes the SMBus “block write” protocol, returning negative errno else zero on success.