static int snd_interval_refine_first(struct snd_interval *i)
{
+ const unsigned int last_max = i->max;
+
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->max = i->min;
- i->openmax = i->openmin;
- if (i->openmax)
+ if (i->openmin)
i->max++;
+ /* only exclude max value if also excluded before refine */
+ i->openmax = (i->openmax && i->max >= last_max);
return 1;
}
static int snd_interval_refine_last(struct snd_interval *i)
{
+ const unsigned int last_min = i->min;
+
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->min = i->max;
- i->openmin = i->openmax;
- if (i->openmin)
+ if (i->openmax)
i->min--;
+ /* only exclude min value if also excluded before refine */
+ i->openmin = (i->openmin && i->min <= last_min);
return 1;
}