From: Tomas Melin <tomas.melin@vaisala.com>
Date: Wed, 3 Dec 2025 09:28:11 +0000 (+0000)
Subject: iio: adc: ad9467: fix ad9434 vref mask
X-Git-Tag: v6.19-rc7~3^2~19^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92452b1760ff2d1d411414965d4d06f75e1bda9a;p=thirdparty%2Fkernel%2Fstable.git

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")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Tomas Melin <tomas.melin@vaisala.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index f7a9f46ea0dc..2d8f8da3671d 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		GENMASK(4, 0)
 
 /*
  * Analog Devices AD9467 16-Bit, 200/250 MSPS ADC