Re: [PATCH v2] iio: light: al3010: fix incorrect scale for the highest gain range

[Andy Shevchenko]

On Sat, Jul 04, 2026 at 05:22:45PM +0530, Vidhu Sarwal wrote:
> al3010_scales[] encodes the highest gain range as {0, 1187200}.
> For IIO_VAL_INT_PLUS_MICRO, the fractional part must be less than
> 1000000, so the scale 1.1872 should instead be represented as
> { 1, 187200 }.
> 
> Since write_raw() compares the value from userspace against this
> table, writing the advertised 1.1872 scale never matches the malformed
> entry and returns -EINVAL. As a result, the highest gain range cannot
> be selected. Reading the scale in that state also reports the malformed
> value.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

-- 
With Best Regards,
Andy Shevchenko