ADS7138_REG_OPMODE_CFG
ret = ads7138_i2c_read(data->client, ADS7138_REG_OPMODE_CFG);
ret = ads7138_i2c_read(data->client, ADS7138_REG_OPMODE_CFG);
return ads7138_i2c_write(data->client, ADS7138_REG_OPMODE_CFG,
return ads7138_i2c_set_bit(data->client, ADS7138_REG_OPMODE_CFG,
return ads7138_i2c_clear_bit(data->client, ADS7138_REG_OPMODE_CFG,