iio: in2xx-adc: Remove unnecessary cast

`buf` is cast to a const char *, but `buf` is already a const char *, so
the case is unnecessary.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 352f276572384898a4f68bcaee3d8a308c74c5ff..08f243f5b92bf9469f21ebb8b24085ebb4205a28 100644 (file)
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -550,7 +550,7 @@ static ssize_t ina2xx_allow_async_readout_store(struct device *dev,
        bool val;
        int ret;
 
-       ret = strtobool((const char *) buf, &val);
+       ret = strtobool(buf, &val);
        if (ret)
                return ret;