On Sun, 2025-01-12 at 15:04 +0000, Jonathan Cameron wrote:
> On Fri, 10 Jan 2025 11:24:14 +0100
> Angelo Dureghello <adureghello@xxxxxxxxxxxx> wrote:
>
> > From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> >
> > Clear reset status flag, to keep error status register
> > clean after reset (ad3552r manual, rev B table 38).
> >
> > Reset error flag was left to 1, so debugging registers, the
> > "Error Status Register" was dirty (0x01). It is important
> > to clear this bit, so if there is any reset event over normal
> > working mode, it is possible to detect it.
> >
> > Fixes: 0b4d9fe58be8 ("iio: dac: ad3552r: add high-speed platform driver")
> > Reviewed-by: David Lechner <dlechner@xxxxxxxxxxxx>
> > Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> Ah. I should have checked for newer versions. Anyhow, picked up v2 of patches
> 1 and 2.
Oh just saw this now. Anyways, just gave my tag for patch 1. If you can still
take it, feel free to do so. Same for this one:
Reviewed-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
>
> > ---
> > drivers/iio/dac/ad3552r-hs.c | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/iio/dac/ad3552r-hs.c b/drivers/iio/dac/ad3552r-hs.c
> > index 216c634f3eaf..8974df625670 100644
> > --- a/drivers/iio/dac/ad3552r-hs.c
> > +++ b/drivers/iio/dac/ad3552r-hs.c
> > @@ -329,6 +329,12 @@ static int ad3552r_hs_setup(struct ad3552r_hs_state
> > *st)
> > dev_info(st->dev, "Chip ID error. Expected 0x%x, Read
> > 0x%x\n",
> > AD3552R_ID, id);
> >
> > + /* Clear reset error flag, see ad3552r manual, rev B table 38. */
> > + ret = st->data->bus_reg_write(st->back,
> > AD3552R_REG_ADDR_ERR_STATUS,
> > + AD3552R_MASK_RESET_STATUS, 1);
> > + if (ret)
> > + return ret;
> > +
> > ret = st->data->bus_reg_write(st->back,
> > AD3552R_REG_ADDR_SH_REFERENCE_CONFIG,
> > 0, 1);
> >
>
