linux-kernel - [PATCH v3 11/18] iio: accel: bma220: populate buffer ts in trigger handler

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Message-Id: <20250913-b4-bma220_improvements-v3-11-0b97279b4e45@subdimension.ro>
Date: Sat, 13 Sep 2025 18:39:32 +0300
From: Petre Rodan <petre.rodan@...dimension.ro>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <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, Petre Rodan <petre.rodan@...dimension.ro>
Subject: [PATCH v3 11/18] iio: accel: bma220: populate buffer ts in trigger
 handler

Populate buffer timestamps in trigger handler instead of in the
top half. Otherwise all timestamps read zero.

Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
---
v2->v3 split out from bigger patch (Jonathan)
---
 drivers/iio/accel/bma220_core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/accel/bma220_core.c b/drivers/iio/accel/bma220_core.c
index 73ce9a9511734961c2c6dadc99c21418070dce00..728bf08c2cfb250266be56e69b11af4b6c4a1347 100644
--- a/drivers/iio/accel/bma220_core.c
+++ b/drivers/iio/accel/bma220_core.c
@@ -188,7 +188,7 @@ static irqreturn_t bma220_trigger_handler(int irq, void *p)
 		return IRQ_NONE;
 
 	iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan),
-				    pf->timestamp);
+				    iio_get_time_ns(indio_dev));
 	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
@@ -409,8 +409,7 @@ int bma220_common_probe(struct device *dev, struct regmap *regmap, int irq)
 	if (ret)
 		return ret;
 
-	ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
-					      iio_pollfunc_store_time,
+	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
 					      bma220_trigger_handler, NULL);
 	if (ret < 0)
 		dev_err_probe(dev, ret, "iio triggered buffer setup failed\n");

-- 
2.49.1