From 4f9be985865f9c83ed724b62be9bb65921226221 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sat, 28 Sep 2013 10:31:00 +0100 Subject: [PATCH] staging:iio:ad7746: Report scale as fractional value Move the complexity of calculating the fixed point scale to the core. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/staging/iio/cdc/ad7746.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index 75a533bce021..862d68d99630 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -656,20 +656,21 @@ static int ad7746_read_raw(struct iio_dev *indio_dev, switch (chan->type) { case IIO_CAPACITANCE: /* 8.192pf / 2^24 */ - *val2 = 488; *val = 0; + *val2 = 488; + ret = IIO_VAL_INT_PLUS_NANO; break; case IIO_VOLTAGE: /* 1170mV / 2^23 */ - *val2 = 139475; - *val = 0; + *val = 1170; + *val2 = 23; + ret = IIO_VAL_FRACTIONAL_LOG2; break; default: - ret = -EINVAL; - goto out; + ret = -EINVAL; + break; } - ret = IIO_VAL_INT_PLUS_NANO; break; default: ret = -EINVAL; -- 2.20.1