On Thu, 31 Oct 2024 11:27:45 -0500
David Lechner <dlechner@xxxxxxxxxxxx> wrote:
> On 10/31/24 10:27 AM, Julien Stephan wrote:
> > state parameter is currently an int, but it is actually a boolean.
> > iio_ev_state_store is actually using kstrtobool to check user input,
> > then gives the converted boolean value to write_event_config. The code
> > in adux1020_write_event_config re-uses state parameter to store an
> > integer value. To prepare for updating the write_event_config signature
> > to use a boolean for state, introduce a new local int variable.
> >
> > Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> > ---
> > drivers/iio/light/adux1020.c | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/iio/light/adux1020.c b/drivers/iio/light/adux1020.c
> > index 2e0170be077aef9aa194fab51afbb33aec02e513..db57d84da616b91add8c5d1aba08a73ce18c367e 100644
> > --- a/drivers/iio/light/adux1020.c
> > +++ b/drivers/iio/light/adux1020.c
> > @@ -505,7 +505,7 @@ static int adux1020_write_event_config(struct iio_dev *indio_dev,
> > enum iio_event_direction dir, int state)
> > {
> > struct adux1020_data *data = iio_priv(indio_dev);
> > - int ret, mask;
> > + int ret, mask, val;
> >
> > mutex_lock(&data->lock);
> >
> > @@ -526,12 +526,12 @@ static int adux1020_write_event_config(struct iio_dev *indio_dev,
> > mask = ADUX1020_PROX_OFF1_INT;
> >
> > if (state)
> > - state = 0;
> > + val = 0;
> > else
> > - state = mask;
> > + val = mask;
> >
> > ret = regmap_update_bits(data->regmap, ADUX1020_REG_INT_MASK,
> > - mask, state);
> > + mask, val);
> > if (ret < 0)
> > goto fail;
> >
> >
>
> Instead of introducing `val`, I would rewrite this as:
>
> if (state)
> ret = regmap_clear_bits(...);
> else
> ret = regmap_set_bits(...);
>
Good idea. Rather than go around again and potentially stall the end of this series.
I made that change whilst applying. Shout if either of you doesn't
like the result. Diff doesn't do a perfect job on readability (it does
if I add a line break but then the code looks worse in the end!)
