On Thu, 29 May 2025 18:22:50 +0200
Lothar Rubusch <l.rubusch@xxxxxxxxx> wrote:
> Hi Jonathan,
>
> On Sun, May 25, 2025 at 3:04 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> >
> > On Fri, 23 May 2025 22:35:20 +0000
> > Lothar Rubusch <l.rubusch@xxxxxxxxx> wrote:
> >
> > > Add possibilities to set a threshold for activity sensing. Extend the
> > > interrupt handler to process activity interrupts. Provide functions to set
> > > the activity threshold and to enable/disable activity sensing. Further add
> > > a fake channel for having x, y and z axis anded on the iio channel.
> > >
> > > This is a preparatory patch. Some of the definitions and functions are
> > > supposed to be extended for inactivity later on.
> > >
> > > Signed-off-by: Lothar Rubusch <l.rubusch@xxxxxxxxx>
> > One comment I found confusing.
> >
> > I see this hardware is similar to our friend the axl345 so some of the outcomes
> > of final reviews on that series may apply here as well.
>
> Yes. To be honest with you, I already saw several places, where I
> probably need to send you some refac for the ADXL345 as well.
> Implementing the same type of source a second time, sometimes leads
> [me] to different[/better?] solutions and brings different insights.
>
> >
> > > ---
> > > drivers/iio/accel/adxl313_core.c | 229 ++++++++++++++++++++++++++++++-
> > > 1 file changed, 227 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c
> > > index 80991cd9bd79..74bb7cfe8a55 100644
> > > --- a/drivers/iio/accel/adxl313_core.c
> > > +++ b/drivers/iio/accel/adxl313_core.c
> >
> > > static const unsigned long adxl313_scan_masks[] = {
> > > @@ -300,6 +334,60 @@ static int adxl313_read_freq_avail(struct iio_dev *indio_dev,
> > > }
> > > }
> > >
> > > +static int adxl313_is_act_inact_en(struct adxl313_data *data,
> > > + enum adxl313_activity_type type)
> > > +{
> > > + unsigned int axis_ctrl;
> > > + unsigned int regval;
> > > + int axis_en, int_en, ret;
> > > +
> > > + ret = regmap_read(data->regmap, ADXL313_REG_ACT_INACT_CTL, &axis_ctrl);
> > > + if (ret)
> > > + return ret;
> > > +
> > > + /* Check if axis for activity are enabled */
> >
> > If all 3 axis perhaps? Or If any axis? I'm not sure what intent is here.
>
> For the ADXL313 I do generally all axis, i.e. x-, y-, z-axis - enabled
> and disabled, respectively. I'll modify the comment.
>
> Sry about spamming the ML with my emails about the reset function. I
> oversaw your other mail. Patches will be merged.
Lol. I did the same thing just now. Don't worry about it!
J
>
> Best,
> L
>
> >
> > > + if (type != ADXL313_ACTIVITY)
> > > + return 0;
> > > +
> > > + axis_en = FIELD_GET(ADXL313_ACT_XYZ_EN, axis_ctrl);
> > > +
> > > + /* The axis are enabled, now check if specific interrupt is enabled */
> > > + ret = regmap_read(data->regmap, ADXL313_REG_INT_ENABLE, ®val);
> > > + if (ret)
> > > + return ret;
> > > +
> > > + int_en = adxl313_act_int_reg[type] & regval;
> > > +
> > > + return axis_en && int_en;
> > > +}
> >
