diff options
author | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
---|---|---|
committer | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
commit | 62b8c978ee6b8d135d9e7953221de58000dba986 (patch) | |
tree | 683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/iio/dac/ad5686.c | |
parent | 78fd82238d0e5716578c326404184a27ba67fd6e (diff) | |
download | linux-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.c | 14 |
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), { }, }; |