linux-kernel - [PATCH v2 1/2] iio: adc: ad7606: enable Vdrive power supply

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Message-Id: <20250530-wip-bl-ad7606-reference-voltages-v2-1-d5e1ad7e6f14@baylibre.com>
Date: Fri, 30 May 2025 16:27:56 +0200
From: Angelo Dureghello <adureghello@...libre.com>
To: Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Jonathan Cameron <jic23@...nel.org>, David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Angelo Dureghello <adureghello@...libre.com>
Subject: [PATCH v2 1/2] iio: adc: ad7606: enable Vdrive power supply

From: Angelo Dureghello <adureghello@...libre.com>

Enable Vdrive power supply. The "vdrive-supply" property is mandatory,
already declared in fdt dt_schema.

Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
---
 drivers/iio/adc/ad7606.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index 185243dee86ed2e9ebc43b578003d0c010e97a9f..3bbe9c05b5edbc11e8016c995c6ab64104836e7b 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -1330,6 +1330,11 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
 		return dev_err_probe(dev, ret,
 				     "Failed to enable specified AVcc supply\n");
 
+	ret = devm_regulator_get_enable(dev, "vdrive");
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "Failed to enable Vdrive supply\n");
+
 	st->chip_info = chip_info;
 
 	if (st->chip_info->oversampling_num) {

-- 
2.49.0