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From:   =?UTF-8?q?Patrik=20Dahlstr=C3=B6m?= <risca@dalakolonin.se>
To:     linux-iio@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org,
        kernel@pyra-handheld.com, pgoudagunta@nvidia.com,
        hns@goldelico.com, jic23@kernel.org, lars@metafoo.de,
        linux-omap@vger.kernel.org,
        =?UTF-8?q?Patrik=20Dahlstr=C3=B6m?= <risca@dalakolonin.se>
Subject: [PATCH v4 7/9] iio: adc: palmas: always reset events on unload
Date:   Sat,  8 Apr 2023 13:48:23 +0200
Message-Id: <20230408114825.824505-8-risca@dalakolonin.se>
In-Reply-To: <20230408114825.824505-1-risca@dalakolonin.se>
References: <20230408114825.824505-1-risca@dalakolonin.se>
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This prevents leaving the adc in freerunning mode when removing the
driver.

Signed-off-by: Patrik Dahlstr=C3=B6m <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_gpad=
c.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 platf=
orm_device *pdev,
 	return 0;
 }
=20
+static void palmas_gpadc_reset(void *data)
+{
+	struct palmas_gpadc *adc =3D 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);
 	}
=20
+	ret =3D devm_add_action(&pdev->dev, palmas_gpadc_reset, adc);
+	if (ret)
+		return ret;
+
 	return 0;
 }
=20
--=20
2.25.1