On 10/21/24 2:03 PM, David Lechner wrote: > On 10/21/24 8:02 AM, Alexandru Ardelean wrote: >> There's a small issue with setting oversampling-ratio that seems to have >> been there since the driver was in staging. >> Trying to set an oversampling value of '2' will set an oversampling value >> of '1'. This is because find_closest() does an average + rounding of 1 + 2, >> and we get '1'. >> >> This is the only issue with find_closest(), at least in this setup. The >> other values (above 2) work reasonably well. Setting 3, rounds to 2, so a >> quick fix is to round 'val' to 3 (if userspace provides 2). > > This sounds like a bug in find_closest() instead of in this driver. > > If there is an exact match in the list, it seems reasonable to expect > that the exact match is returned by find_closest(). > Likely also affected by this bug since they have values 1, 2 in the list: * rtq6056_adc_set_average() * si1133_scale_to_swgain()