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-rw-r--r--drivers/iio/common/st_sensors/st_sensors_core.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index d99bb1460fe2..02e833b14db0 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -463,8 +463,17 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
u8 drdy_mask;
struct st_sensor_data *sdata = iio_priv(indio_dev);
- if (!sdata->sensor_settings->drdy_irq.addr)
+ if (!sdata->sensor_settings->drdy_irq.addr) {
+ /*
+ * there are some devices (e.g. LIS3MDL) where drdy line is
+ * routed to a given pin and it is not possible to select a
+ * different one. Take into account irq status register
+ * to understand if irq trigger can be properly supported
+ */
+ if (sdata->sensor_settings->drdy_irq.addr_stat_drdy)
+ sdata->hw_irq_trigger = enable;
return 0;
+ }
/* Enable/Disable the interrupt generator 1. */
if (sdata->sensor_settings->drdy_irq.ig1.en_addr > 0) {