[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20220704172116.195841-2-marcus.folkesson@gmail.com>
Date: Mon, 4 Jul 2022 19:21:08 +0200
From: Marcus Folkesson <marcus.folkesson@...il.com>
To: Marcus Folkesson <marcus.folkesson@...il.com>,
Kent Gustavsson <kent@...oris.se>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/9] iio: adc: mcp3911: make use of the sign bit
The device supports negative values as well.
Fixes: 3a89b289df5d ("iio: adc: add support for mcp3911")
Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
---
drivers/iio/adc/mcp3911.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 1cb4590fe412..f581cefb6719 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -113,6 +113,8 @@ static int mcp3911_read_raw(struct iio_dev *indio_dev,
if (ret)
goto out;
+ *val = sign_extend32(*val, 23);
+
ret = IIO_VAL_INT;
break;
--
2.36.1
Powered by blists - more mailing lists