[PATCH v3 5/7] iio: adc: palmas: always reset events on unload

Patrik Dahlström
2023-04-05T21:23:53Z

This prevents leaving the adc in freerunning mode when removing the
driver.

Signed-off-by: Patrik Dahlström <risca@dalakolonin.se>
---
drivers/iio/adc/palmas_gpadc.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 8c6ea4a3cd2e..da4908608a27 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -498,6 +498,13 @@ static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev,
return 0;
}

+static void palmas_gpadc_reset(void *data)
+{
+ struct palmas_gpadc *adc = data;
+ if (adc->event0.enabled || adc->event1.enabled)
+ palmas_adc_reset_events(adc);
+}
+
static int palmas_gpadc_probe(struct platform_device *pdev)
{
struct palmas_gpadc *adc;
@@ -587,6 +594,10 @@ static int palmas_gpadc_probe(struct platform_device *pdev)
palmas_gpadc_calibrate(adc, i);
}

+ ret = devm_add_action(&pdev->dev, palmas_gpadc_reset, adc);
+ if (ret)
+ return ret;
+
return 0;
}

--
2.25.1