iio: cm32181: Fix read integration time function

In read integration time function, assign 0 to val.
Because, prevent return inaccurate value when call read integration time.
Cc: Stable@vger.kernel.org
Cc: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index 47a6dba..d976e6c 100644 (file)
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -221,6 +221,7 @@ static int cm32181_read_raw(struct iio_dev *indio_dev,
                *val = cm32181->calibscale;
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_INT_TIME:
+               *val = 0;
                ret = cm32181_read_als_it(cm32181, val2);
                return ret;
        }