linux-kernel - [PATCH v2 5/8] iio: imu: adis16475: Create push single sample API

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Date: Wed,  8 May 2024 16:13:07 +0300
From: Ramona Gradinariu <ramona.bolboaca13@...il.com>
To: linux-kernel@...r.kernel.org,
	jic23@...nel.org,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	conor+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	robh@...nel.org,
	nuno.sa@...log.com
Cc: Ramona Gradinariu <ramona.bolboaca13@...il.com>
Subject: [PATCH v2 5/8] iio: imu: adis16475: Create push single sample API

Create push single sample API reposnsible for pushing a single
sample into the buffer.
This is a preparation patch for FIFO support where more than
one sample has to be pushed in the trigger handler.

Signed-off-by: Ramona Gradinariu <ramona.bolboaca13@...il.com>
---
changes in v2:
 - no changes
 drivers/iio/imu/adis16475.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/imu/adis16475.c b/drivers/iio/imu/adis16475.c
index f9455ecb348c..ab955efdad92 100644
--- a/drivers/iio/imu/adis16475.c
+++ b/drivers/iio/imu/adis16475.c
@@ -1249,9 +1249,8 @@ static void adis16475_burst32_check(struct adis16475 *st)
 	}
 }

-static irqreturn_t adis16475_trigger_handler(int irq, void *p)
+static int adis16475_push_single_sample(struct iio_poll_func *pf)
 {
-	struct iio_poll_func *pf = p;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct adis16475 *st = iio_priv(indio_dev);
 	struct adis *adis = &st->adis;
@@ -1340,6 +1339,15 @@ static irqreturn_t adis16475_trigger_handler(int irq, void *p)
 	 * array.
 	 */
 	adis16475_burst32_check(st);
+	return ret;
+}
+
+static irqreturn_t adis16475_trigger_handler(int irq, void *p)
+{
+	struct iio_poll_func *pf = p;
+	struct iio_dev *indio_dev = pf->indio_dev;
+
+	adis16475_push_single_sample(pf);
 	iio_trigger_notify_done(indio_dev->trig);

 	return IRQ_HANDLED;
--
2.34.1