linux-kernel - Re: [PATCH v3 4/8] iio: adc: Add support for ad4052

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Message-ID: <yw3n2csu4x4mfed33dtvl75zc5scgkjvkzruqilpw64n7esmdn@3fj77ufzm3c2>
Date: Tue, 17 Jun 2025 16:59:48 +0200
From: Uwe Kleine-König <ukleinek@...nel.org>
To: Jorge Marques <jorge.marques@...log.com>
Cc: Jonathan Cameron <jic23@...nel.org>, 
	Lars-Peter Clausen <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Jonathan Corbet <corbet@....net>, 
	David Lechner <dlechner@...libre.com>, Nuno Sá <nuno.sa@...log.com>, 
	Andy Shevchenko <andy@...nel.org>, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [PATCH v3 4/8] iio: adc: Add support for ad4052

On Tue, Jun 10, 2025 at 09:34:37AM +0200, Jorge Marques wrote:
> +static int ad4052_get_samp_freq(struct iio_dev *indio_dev,
> +				struct iio_chan_spec const *chan,
> +				int *val,
> +				int *val2)
> +{
> +	struct ad4052_state *st = iio_priv(indio_dev);
> +
> +	*val = DIV_ROUND_UP_ULL(NSEC_PER_SEC, st->pwm_st.period);
> +	return IIO_VAL_INT;

st->pwm_st.period is the period that was requested before. If you want
the real period that is currently emitted, check pwm_get_state_hw().

> +}

Best regards
Uwe

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