diff mbox series

[v4,7/9] iio: adc: palmas: always reset events on unload

Message ID 20230408114825.824505-8-risca@dalakolonin.se
State New
Headers show
Series iio: adc: palmas_gpadc: add iio events | expand

Commit Message

Patrik Dahlström April 8, 2023, 11:48 a.m. UTC 
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 mbox series

Patch

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;
 }