From: Ruslan Babayev <ruslan@babayev.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: xe-linux-external@cisco.com, Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] iio: dac: ds4422/ds4424 fix chip verification
Date: Sun, 5 May 2019 12:24:37 -0700 [thread overview]
Message-ID: <20190505192438.2644-2-ruslan@babayev.com> (raw)
The ds4424_get_value function takes channel number as it's 3rd
argument and translates it internally into I2C address using
DS4424_DAC_ADDR macro. The caller ds4424_verify_chip was passing an
already translated I2C address as its last argument.
Signed-off-by: Ruslan Babayev <ruslan@babayev.com>
Cc: xe-linux-external@cisco.com
---
drivers/iio/dac/ds4424.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c
index 2b3ba1a66fe8..ae9be792693b 100644
--- a/drivers/iio/dac/ds4424.c
+++ b/drivers/iio/dac/ds4424.c
@@ -166,7 +166,7 @@ static int ds4424_verify_chip(struct iio_dev *indio_dev)
{
int ret, val;
- ret = ds4424_get_value(indio_dev, &val, DS4424_DAC_ADDR(0));
+ ret = ds4424_get_value(indio_dev, &val, 0);
if (ret < 0)
dev_err(&indio_dev->dev,
"%s failed. ret: %d\n", __func__, ret);
--
2.17.1
next reply other threads:[~2019-05-05 19:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-05 19:24 Ruslan Babayev [this message]
2019-05-11 11:49 ` [PATCH 2/2] iio: dac: ds4422/ds4424 fix chip verification Jonathan Cameron
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