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Message-ID: <20251002184120.495193-6-akshayaj.lkd@gmail.com>
Date: Fri,  3 Oct 2025 00:11:06 +0530
From: Akshay Jindal <akshayaj.lkd@...il.com>
To: dan@...obertson.com,
	jic23@...nel.org,
	dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org
Cc: Akshay Jindal <akshayaj.lkd@...il.com>,
	shuah@...nel.org,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/5] iio: accel: bma400: Add detail to comments in GEN INTR configuration

Append additional information to existing comments in the generic
interrupt configuration code to provide more context.

Signed-off-by: Akshay Jindal <akshayaj.lkd@...il.com>
---
 drivers/iio/accel/bma400_core.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index 41e95291b36b..c42cdf0a1645 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c
@@ -1208,7 +1208,10 @@ static int bma400_generic_event_en(struct bma400_data *data,
 	detect_criterion = bma400_genintr->detect_mode;
 	intrmask = bma400_genintr->intrmask;
 
-	/* Enabling all axis for interrupt evaluation */
+	/*
+	 * Enabling all axis for interrupt evaluation
+	 * Acc_filt2 is recommended as data source in datasheet (Section 4.7)
+	 */
 	ret = regmap_write(data->regmap, BMA400_GENINT_CONFIG_REG(genintr, 0),
 			   BMA400_GENINT_CONFIG0_X_EN_MASK |
 			   BMA400_GENINT_CONFIG0_Y_EN_MASK |
@@ -1226,7 +1229,10 @@ static int bma400_generic_event_en(struct bma400_data *data,
 	if (ret)
 		return ret;
 
-	/* Initial value to avoid interrupts while enabling*/
+	/*
+	 * Initial value to avoid interrupts while enabling
+	 * Value is in units of 8mg/lsb, i.e. effective val is val * 8mg/lsb
+	 */
 	ret = regmap_write(data->regmap, BMA400_GENINT_CONFIG_REG(genintr, 2), 0x0A);
 	if (ret)
 		return ret;
-- 
2.43.0


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