Re: [PATCH 4/5] iio:adxl372: Add sampling frequency support

[Andy Shevchenko]

On Thu, Jul 12, 2018 at 6:36 PM, Stefan Popa <stefan.popa@xxxxxxxxxx> wrote:
> This patch adds the option for the user to select the sampling frequency.
> Also, the user can read the available frequencies and read the currently
> set frequency via the read_raw function. The frequency can be set via the
> write_raw function.
>
> When the frequency is set, the bandwidth is also checked and ensured
> that it is constrained to at most half of the sampling frequency.

> +static int adxl372_find_closest_match(const int *array,
> +                                     unsigned int size, int val)
> +{
> +       int i;
> +
> +       for (i = 0; i < size; i++) {
> +               if (val <= array[i])
> +                       return i;
> +       }
> +
> +       return size - 1;
> +}

Perhaps it's time to extend bsearch with something called
bsearch_closest().

-- 
With Best Regards,
Andy Shevchenko