Re: [PATCH v2 1/2] iio: adc: ti-ads112c14: add support for I2C CRC8

On Fri, 24 Jul 2026 10:55:06 -0500
"David Lechner (TI)" <[email protected]> wrote:

> Add support for I2C CRC8 to the TI ADS112C14 ADC driver. This verifies
> data integrity of all I2C transactions with the device.
> 
> For now, it is always enabled, but it could be made optional in the
> future if needed (e.g. for higher-speed data acquisition).
> 
> Signed-off-by: David Lechner (TI) <[email protected]>
> ---
> v2 changes:
> * Rebased on iio/testing.

Just one trivial thing.

...


>  	if (IS_ERR(data->regmap))
>  		return dev_err_probe(dev, PTR_ERR(data->regmap),
>  				     "failed to init regmap\n");
> @@ -1158,6 +1274,14 @@ static int ads112c14_probe(struct i2c_client *client)
>  	if (ret)
>  		return ret;
>  
> +	ret = regmap_update_bits(data->regmap, ADS112C14_REG_DIGITAL_CFG,
> +				 ADS112C14_DIGITAL_CFG_I2C_CRC_EN,
> +				 ADS112C14_DIGITAL_CFG_I2C_CRC_EN);

regmap_set_bits() or maybe some future patch breaks using that?

> +	if (ret)
> +		return ret;
> +
> +	data->i2c_crc_enabled = true;
> +
>  	ret = regmap_read(data->regmap, ADS112C14_REG_DEVICE_ID, &reg_val);
>  	if (ret)
>  		return ret;