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>
