linux-kernel - Re: [PATCH v4 5/7] iio: light: vcnl4000: Add period for vcnl4040/4200

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Message-ID: <ZHQ2CGSnB-CaYqSy@surfacebook>
Date:   Mon, 29 May 2023 08:20:08 +0300
From:   andy.shevchenko@...il.com
To:     Astrid Rost <astrid.rost@...s.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...s.com,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mathieu Othacehe <m.othacehe@...il.com>
Subject: Re: [PATCH v4 5/7] iio: light: vcnl4000: Add period for vcnl4040/4200

Mon, May 22, 2023 at 04:26:19PM +0200, Astrid Rost kirjoitti:
> Add read/write attribute for proximity and illuminance period.
> The period is set in the interrupt persistence flags
> (PS_PERS and ALS_PERS). An interrupt will not be asserted if the raw
> value is not over (or lower) than the threshold for the set
> continued amount of measurements.
> The time in seconds is calculated by the number of continued refreshes
> multiplied with the integration time.
> It will always pick the next lower possible value. The period changes,
> if the integration time is changed.

Something interesting happened to the indentation in the above text.

...

> +out:

out_unlock:

> +	mutex_unlock(&data->vcnl4000_lock);
> +	return ret;

...

> +	*val2 = (*data->chip_spec->ps_it_times)[ret_it][1]
> +		* vcnl4040_ps_persistence[ret_pers];

' *' can be placed on the previous line.

...

> +			if (val2 <= vcnl4040_ps_persistence[index]
> +					* (*data->chip_spec->ps_it_times)[ret_it][1])

Ditto.

> +				break;

...

> +out:

out_unlock:

> +	mutex_unlock(&data->vcnl4000_lock);
> +	return ret;

...

> +			case IIO_EV_DIR_RISING:
> +				ret = i2c_smbus_write_word_data(
> +					data->client, VCNL4040_ALS_THDH_LM, val);

Indentation.

> +				break;
> +			case IIO_EV_DIR_FALLING:
> +				ret = i2c_smbus_write_word_data(
> +					data->client, VCNL4040_ALS_THDL_LM, val);

Ditto.

> +				break;

...

> +			case IIO_EV_DIR_RISING:
> +				ret = i2c_smbus_write_word_data(
> +					data->client, VCNL4040_PS_THDH_LM, val);
> +				break;
> +			case IIO_EV_DIR_FALLING:
> +				ret = i2c_smbus_write_word_data(
> +					data->client, VCNL4040_PS_THDL_LM, val);
> +				break;

Ditto.

...

> +	{
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_RISING,
> +		.mask_separate = BIT(IIO_EV_INFO_VALUE),
> +	}, {
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_FALLING,
> +		.mask_separate = BIT(IIO_EV_INFO_VALUE),
> +	}, {
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_EITHER,
> +		.mask_separate = BIT(IIO_EV_INFO_ENABLE) |  BIT(IIO_EV_INFO_PERIOD),
> +	}

Can we keep trailing comma here?

...

> -	},

Stray change (and see just above).

> +	}, {
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_EITHER,
> +		.mask_separate = BIT(IIO_EV_INFO_PERIOD),
> +	}

-- 
With Best Regards,
Andy Shevchenko