ads7138_i2c_read
ret = ads7138_i2c_read(data->client, ADS7138_REG_OPMODE_CFG);
ret = ads7138_i2c_read(data->client, ADS7138_REG_OSR_CFG);
ret = ads7138_i2c_read(data->client, ADS7138_REG_OPMODE_CFG);
ret = ads7138_i2c_read(data->client,
ret = ads7138_i2c_read(data->client, reg);
ret = ads7138_i2c_read(data->client, reg);
ret = ads7138_i2c_read(data->client, ADS7138_REG_ALERT_CH_SEL);
ret = ads7138_i2c_read(data->client, ADS7138_REG_EVENT_FLAG);
ret = ads7138_i2c_read(data->client, ADS7138_REG_EVENT_HIGH_FLAG);
ret = ads7138_i2c_read(data->client, ADS7138_REG_EVENT_LOW_FLAG);