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authorScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
committerScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
commit62b8c978ee6b8d135d9e7953221de58000dba986 (patch)
tree683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/iio/dac/ad5686.c
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'drivers/iio/dac/ad5686.c')
-rw-r--r--drivers/iio/dac/ad5686.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 30e506e..57825ea 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -201,6 +201,7 @@ static int ad5686_read_raw(struct iio_dev *indio_dev,
long m)
{
struct ad5686_state *st = iio_priv(indio_dev);
+ unsigned long scale_uv;
int ret;
switch (m) {
@@ -212,10 +213,14 @@ static int ad5686_read_raw(struct iio_dev *indio_dev,
return ret;
*val = ret;
return IIO_VAL_INT;
+ break;
case IIO_CHAN_INFO_SCALE:
- *val = st->vref_mv;
- *val2 = chan->scan_type.realbits;
- return IIO_VAL_FRACTIONAL_LOG2;
+ scale_uv = (st->vref_mv * 100000)
+ >> (chan->scan_type.realbits);
+ *val = scale_uv / 100000;
+ *val2 = (scale_uv % 100000) * 10;
+ return IIO_VAL_INT_PLUS_MICRO;
+
}
return -EINVAL;
}
@@ -260,9 +265,8 @@ static const struct iio_chan_spec_ext_info ad5686_ext_info[] = {
.name = "powerdown",
.read = ad5686_read_dac_powerdown,
.write = ad5686_write_dac_powerdown,
- .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5686_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", false, &ad5686_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5686_powerdown_mode_enum),
{ },
};