linux-kernel - Re: [PATCH v3 15/18] iio: accel: bma220: add interrupt trigger

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Message-ID: <aMWcpxacC30ME9Ew@sunspire>
Date: Sat, 13 Sep 2025 19:32:39 +0300
From: Petre Rodan <petre.rodan@...dimension.ro>
To: Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno S?? <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 15/18] iio: accel: bma220: add interrupt trigger

On Sat, Sep 13, 2025 at 06:39:36PM +0300, Petre Rodan wrote:
> +static irqreturn_t bma220_irq_handler(int irq, void *private)
> +{
> +	struct iio_dev *indio_dev = private;
> +	struct bma220_data *data = iio_priv(indio_dev);
> +	int rv;
> +	unsigned int bma220_reg_if1;
> +
> +	guard(mutex)(&data->lock);
> +	rv = regmap_read(data->regmap, BMA220_REG_IF1, &bma220_reg_if1);
> +	if (rv)
> +		return IRQ_NONE;
> +
> +	if (FIELD_GET(BMA220_IF_DRDY, bma220_reg_if1)) {
> +		iio_trigger_poll_nested(data->trig);
> +
> +	return IRQ_HANDLED;
> +}

sorry, errant '{' in FIELD_GET line throws compilation off, will fix in next rev.

best regards,
peter