linux-kernel - [PATCH 1/2] iio: adc: ad9467: fix ad9434 vref mask

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Message-Id: <20251201-ad9434-fixes-v1-1-54a9ca2ac514@vaisala.com>
Date: Mon, 01 Dec 2025 11:59:34 +0000
From: Tomas Melin <tomas.melin@...sala.com>
To: Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Nuno Sa <nuno.sa@...log.com>, Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, Andy Shevchenko <andy@...nel.org>, 
 Alexandru Ardelean <alexandru.ardelean@...log.com>
Cc: Michael Hennerich <michael.hennerich@...log.com>, 
 Jonathan Cameron <Jonathan.Cameron@...wei.com>, linux-iio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Tomas Melin <tomas.melin@...sala.com>
Subject: [PATCH 1/2] iio: adc: ad9467: fix ad9434 vref mask

The mask setting is 5 bits wide for the ad9434
(ref. data sheet register 0x18 FLEX_VREF). Apparently the settings
from ad9265 were copied by mistake when support for the device was added
to the driver.

Fixes: 4606d0f4b05f ("iio: adc: ad9467: add support for AD9434 high-speed ADC")
Signed-off-by: Tomas Melin <tomas.melin@...sala.com>
---
 drivers/iio/adc/ad9467.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index f7a9f46ea0dc405e25f312197df4b2131871b4bc..2910b6c5b576d101a25c0b5f0fb9024f0b4da63d 100644
--- a/drivers/iio/adc/ad9467.c
+++ b/drivers/iio/adc/ad9467.c
@@ -95,7 +95,7 @@
 
 #define CHIPID_AD9434			0x6A
 #define AD9434_DEF_OUTPUT_MODE		0x00
-#define AD9434_REG_VREF_MASK		0xC0
+#define AD9434_REG_VREF_MASK		0x1F
 
 /*
  * Analog Devices AD9467 16-Bit, 200/250 MSPS ADC

-- 
2.47.3