224     i2c_smbus_data_t d;  in mraa_i2c_read_byte()  local
225     if (mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_READ, I2C_NOCMD, I2C_SMBUS_BYTE, &d) < 0) {  in mraa_i2c_read_byte()
229     return 0x0FF & d.byte;  in mraa_i2c_read_byte()
237     i2c_smbus_data_t d;  in mraa_i2c_read_byte_data()  local
238     if (mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_READ, command, I2C_SMBUS_BYTE_DATA, &d) < 0) {  in mraa_i2c_read_byte_data()
242     return 0x0FF & d.byte;  in mraa_i2c_read_byte_data()
250     i2c_smbus_data_t d;  in mraa_i2c_read_word_data()  local
251     if (mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_READ, command, I2C_SMBUS_WORD_DATA, &d) < 0) {  in mraa_i2c_read_word_data()
255     return 0xFFFF & d.word;  in mraa_i2c_read_word_data()
263     struct i2c_rdwr_ioctl_data d;  in mraa_i2c_read_bytes_data()  local
275     d.msgs = m;  in mraa_i2c_read_bytes_data()
276     d.nmsgs = 2;  in mraa_i2c_read_bytes_data()
278     return ioctl(dev->fh, I2C_RDWR, &d) < 0 ? -1 : length;  in mraa_i2c_read_bytes_data()
286     i2c_smbus_data_t d;  in mraa_i2c_write()  local
297         d.block[i] = data[i - 1];  in mraa_i2c_write()
299     d.block[0] = length;  in mraa_i2c_write()
301     return mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_WRITE, command, I2C_SMBUS_I2C_BLOCK_DATA, &d);  in mraa_i2c_write()
323     i2c_smbus_data_t d;  in mraa_i2c_write_byte_data()  local
324     d.byte = data;  in mraa_i2c_write_byte_data()
325     if (mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_WRITE, command, I2C_SMBUS_BYTE_DATA, &d) < 0) {  in mraa_i2c_write_byte_data()
337     i2c_smbus_data_t d;  in mraa_i2c_write_word_data()  local
338     d.word = data;  in mraa_i2c_write_word_data()
339     if (mraa_i2c_smbus_access(dev->fh, I2C_SMBUS_WRITE, command, I2C_SMBUS_WORD_DATA, &d) < 0) {  in mraa_i2c_write_word_data()