Messages in this thread | | | From | Doug Anderson <> | Date | Tue, 8 Dec 2020 14:24:49 -0800 | Subject | Re: [PATCH v3] iio: sx9310: Fix semtech,avg-pos-strength setting when > 16 |
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Hi,
On Wed, Dec 2, 2020 at 12:02 PM Stephen Boyd <swboyd@chromium.org> wrote: > > This DT property can be 0, 16, and then 64, but not 32. The math here > doesn't recognize this slight bump in the power of 2 numbers and > translates a DT property of 64 into the register value '3' when it > really should be '2'. Fix it by subtracting one more if the number being > translated is larger than 31. Also use clamp() because we're here. > > Cc: Daniel Campello <campello@chromium.org> > Cc: Lars-Peter Clausen <lars@metafoo.de> > Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> > Cc: Douglas Anderson <dianders@chromium.org> > Cc: Gwendal Grignou <gwendal@chromium.org> > Cc: Evan Green <evgreen@chromium.org> > Signed-off-by: Stephen Boyd <swboyd@chromium.org> > --- > > Changes from v2 (https://lore.kernel.org/r/20201120182944.543428-1-swboyd@chromium.org): > * Use clamp() > * Add comment to clarify > > Changes from v1 (https://lore.kernel.org/r/20201120073842.3232458-1-swboyd@chromium.org): > * Changed ternary to consider 17 to 31 as the same as 16 > > drivers/iio/proximity/sx9310.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Douglas Anderson <dianders@chromium.org>
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