On Wed, 8 Jan 2025 14:43:22 -0600
David Lechner <dlechner@xxxxxxxxxxxx> wrote:
> On 1/8/25 11:29 AM, Angelo Dureghello wrote:
> > From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> >
> > Fix ad3541/2r voltage ranges to be as per ad3542r datasheet,
> > rev. C, table 38 (page 57).
> >
> > The wrong ad354xr ranges was generating erroneous Vpp output.
> >
> > In more details:
> > - fix wrong number of ranges, they are 5 ranges, not 6,
> > - remove non-existent 0-3V range,
> > - adjust order, since ad3552r_find_range() get a wrong index,
> > producing a wrong Vpp as output.
> >
> > Retested all the ranges on real hardware, EVALAD3542RFMCZ:
> >
> > adi,output-range-microvolt (fdt):
> > <(000000) (2500000)>; ok (Rfbx1, switch 10)
> > <(000000) (5000000)>; ok (Rfbx1, switch 10)
> > <(000000) (10000000)>; ok (Rfbx1, switch 10)
> > <(-5000000) (5000000)>; ok (Rfbx2, switch +/- 5)
> > <(-2500000) (7500000)>; ok (Rfbx2, switch -2.5/7.5)
> >
> > Fixes: 8f2b54824b28 ("drivers:iio:dac: Add AD3552R driver support")
> > Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> > ---
> Reviewed-by: David Lechner <dlechner@xxxxxxxxxxxx>
>
Applied to the fixes-togreg branch of iio.git and marked for stable.
Thanks,
Jonathan
