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Date:   Sat, 19 Feb 2022 16:08:05 +0000
From:   Jonathan Cameron <jic23@kernel.org>
To:     Andrea Merello <andrea.merello@gmail.com>
Cc:     mchehab+huawei@kernel.org, linux-iio@vger.kernel.org,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        lars@metafoo.de, robh+dt@kernel.org, andy.shevchenko@gmail.com,
        matt.ranostay@konsulko.com, ardeleanalex@gmail.com,
        jacopo@jmondi.org, Andrea Merello <andrea.merello@iit.it>
Subject: Re: [v3 02/13] iio: document linear acceleration modifiers
Message-ID: <20220219160805.59fa8176@jic23-huawei>
In-Reply-To: <20220217162710.33615-3-andrea.merello@gmail.com>
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        <20220217162710.33615-3-andrea.merello@gmail.com>
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On Thu, 17 Feb 2022 17:26:59 +0100
Andrea Merello <andrea.merello@gmail.com> wrote:

> This patch introduces ABI documentation for new iio modifiers used for
> reporting "linear acceleration" measures.
> 
> Signed-off-by: Andrea Merello <andrea.merello@iit.it>
> ---
>  Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index c551301b33f1..b2fb4d9abcd1 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -233,6 +233,15 @@ Description:
>  		Has all of the equivalent parameters as per voltageY. Units
>  		after application of scale and offset are m/s^2.
>  
> +What:		/sys/bus/iio/devices/iio:deviceX/in_accel_linear_x_raw
> +What:		/sys/bus/iio/devices/iio:deviceX/in_accel_linear_y_raw
> +What:		/sys/bus/iio/devices/iio:deviceX/in_accel_linear_z_raw
> +KernelVersion:	5.17
> +Contact:	linux-iio@vger.kernel.org
> +Description:
> +		As per in_accel_X_raw attributes, but minus the gravity
> +		acceleration.

As it looks like you are going to be doing a v4 given the stuff 0-day found
I'd prefer this as "minus the acceleration due to gravity" which from what
I recall tends to be what it is called in physics text books etc.

> +
>  What:		/sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw
>  What:		/sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw
>  What:		/sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw