linux-kernel - Re: [PATCH v3 5/7] staging: iio: ad5933: add ABI documentation

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Message-ID: <CA+U=DsoTGLtnbkKoffm8TW6p_OhTfe2ViE3fEshKX9wJMPUzww@mail.gmail.com>
Date:   Mon, 11 Mar 2019 10:59:11 +0200
From:   Alexandru Ardelean <ardeleanalex@...il.com>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     lars@...afoo.de,
        "Hennerich, Michael" <Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>, knaack.h@....de,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        kernel-usp@...glegroups.com,
        "Ardelean, Alexandru" <alex.ardelean@...log.com>
Subject: Re: [PATCH v3 5/7] staging: iio: ad5933: add ABI documentation

On Sun, Mar 10, 2019 at 7:47 PM Marcelo Schmitt
<marcelo.schmitt1@...il.com> wrote:
>
> Add an ABI documentation for the ad5933 driver.

There's already an ABI documentation for this driver.
See:
https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/tree/drivers/staging/iio/Documentation/sysfs-bus-iio-impedance-analyzer-ad5933

Apologies for not mentioning this sooner.

Could you check for other references for ad5933 in the kernel (in staging) ?
I don't think I missed other stuff, but it's good to check.

>
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@...il.com>
> ---
>  .../ABI/testing/sysfs-bus-iio-ad5933          | 39 +++++++++++++++++++
>  1 file changed, 39 insertions(+)
>  create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-ad5933
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio-ad5933 b/Documentation/ABI/testing/sysfs-bus-iio-ad5933
> new file mode 100644
> index 000000000000..8a60dd178b1f
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-bus-iio-ad5933
> @@ -0,0 +1,39 @@
> +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_start
> +Date:          March 2019
> +KernelVersion: Kernel 4.19
> +Contact:       linux-iio@...r.kernel.org
> +Description:
> +               The start frequency. Set this to define the frequency point at
> +               which the device should start the next frequency sweep.
> +
> +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_increment
> +Date:          March 2019
> +KernelVersion: Kernel 4.19
> +Contact:       linux-iio@...r.kernel.org
> +Description:
> +               The frequency sweep increment. Set this to define the amount by
> +               which the frequency is incremented after each scan point. After
> +               the measurement at a frequency point is completed, the next
> +               measurement will be made at a frequency point
> +               'frequency increment'Hz higher than the previous one unless a
> +               repeat frequency command is issued. This behavior will follow
> +               until the defined number of frequency points have been measured
> +               or frequency sweep is somewhat reset.
> +
> +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_points
> +Date:          March 2019
> +KernelVersion: Kernel 4.19
> +Contact:       linux-iio@...r.kernel.org
> +Description:
> +               The number of increments. This defines the number of frequency
> +               points in the frequency sweep.
> +
> +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_settling_cycles
> +Date:          March 2019
> +KernelVersion: Kernel 4.19
> +Contact:       linux-iio@...r.kernel.org
> +Description:
> +               Number of settling time cycles. This sets the delay between a
> +               start frequency sweep/increment frequency /repeat frequency to
> +               be proportional to the excitation signal frequency times the
> +               number of settling time cycles.
> --
> 2.20.1
>