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commit 41eaa50a5813d277089a32cfd4069bd06285eb03
Author: Matteo Golin <matteo.go...@gmail.com>
AuthorDate: Wed Aug 6 23:15:58 2025 -0400
drivers/sensors/lis2mdl: Increase buffer size
The ODR of this sensor is too high to have a buffer size of 1.
Signed-off-by: Matteo Golin <matteo.go...@gmail.com>
---
drivers/sensors/Kconfig | 7 +++++++
drivers/sensors/lis2mdl_uorb.c | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/sensors/Kconfig b/drivers/sensors/Kconfig
index f61fd548103..365f2a8a99a 100644
--- a/drivers/sensors/Kconfig
+++ b/drivers/sensors/Kconfig
@@ -1659,6 +1659,13 @@ config SENSORS_LIS2MDL_THREAD_STACKSIZE
---help---
The stack size for the worker thread that performs measurements
+config SENSORS_LIS2MDL_ORB_BUFSIZE
+ int "LIS2MDL uORB buffer size"
+ default 10
+ range 0 100
+ ---help---
+ The size of the uORB circular buffer for storing measurements.
+
config SENSORS_LIS2MDL_FETCH
bool "Enable LIS2MDL fetch capability"
default n
diff --git a/drivers/sensors/lis2mdl_uorb.c b/drivers/sensors/lis2mdl_uorb.c
index 7d22719c717..98c9407f36b 100644
--- a/drivers/sensors/lis2mdl_uorb.c
+++ b/drivers/sensors/lis2mdl_uorb.c
@@ -1307,6 +1307,7 @@ int lis2mdl_register(FAR struct i2c_master_s *i2c, int
devno, uint8_t addr,
priv->lower.ops = &g_sensor_ops;
priv->lower.type = SENSOR_TYPE_MAGNETIC_FIELD;
+ priv->lower.nbuffer = CONFIG_SENSORS_LIS2MDL_ORB_BUFSIZE;
priv->enabled = false;
priv->lowpower = false;
priv->offsets = false;
