On Sat, 2018-03-03 at 16:05 +0000, Jonathan Cameron wrote:
> On Fri, 2 Mar 2018 19:04:49 +0530
> Shreeya Patel <shreeya.patel23498@xxxxxxxxx> wrote:
>
> >
> > Use sign_extend32 function instead of manually coding it.
> > Also, adjust a switch block to explicitly match channels
> > and return -EINVAL as default case which makes the code
> > semantically more clear.
> >
> > Signed-off-by: Shreeya Patel <shreeya.patel23498@xxxxxxxxx>
> Changes are fine, but 2 changes to different things should be
> in 2 patches. Please split. I'd probably have taken this anyway if
> it hadn't been queued behind the requested changes to the previous 2
> patches anyway.
>
> Good work on this series though so looking forward to v3.
> Note please mark the set as [PATCH v3] to make it clear it
> is the 3rd version of some of this.
Yes, I'll do the changes.
Do I need to include the patches which have been merged from
this series in v3?
Thanks
>
> >
> > ---
> > drivers/staging/iio/accel/adis16209.c | 15 ++++++++++-----
> > 1 file changed, 10 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/staging/iio/accel/adis16209.c
> > b/drivers/staging/iio/accel/adis16209.c
> > index 7363fd0..5ab44a4 100644
> > --- a/drivers/staging/iio/accel/adis16209.c
> > +++ b/drivers/staging/iio/accel/adis16209.c
> > @@ -150,10 +150,16 @@ static int adis16209_read_raw(struct iio_dev
> > *indio_dev,
> > switch (chan->type) {
> > case IIO_VOLTAGE:
> > *val = 0;
> > - if (chan->channel == 0)
> > + switch (chan->channel) {
> > + case 0:
> > *val2 = 305180; /* 0.30518 mV */
> > - else
> > + break;
> > + case 1:
> > *val2 = 610500; /* 0.6105 mV */
> > + break;
> > + default:
> > + return -EINVAL;
> > + }
> > return IIO_VAL_INT_PLUS_MICRO;
> > case IIO_TEMP:
> > *val = -470;
> > @@ -197,9 +203,8 @@ static int adis16209_read_raw(struct iio_dev
> > *indio_dev,
> > ret = adis_read_reg_16(st, addr, &val16);
> > if (ret)
> > return ret;
> > - val16 &= (1 << bits) - 1;
> > - val16 = (s16)(val16 << (16 - bits)) >> (16 -
> > bits);
> > - *val = val16;
> > +
> > + *val = sign_extend32(val16, bits - 1);
> > return IIO_VAL_INT;
> > }
> > return -EINVAL;
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