ALSA: pcm: snd_interval_step: fix changes of open intervals

Changing an interval boundary to a multiple of the step size makes that
boundary exact.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6fd5e1ce5462..b03c7ae5f4e3 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1120,11 +1120,13 @@ static int snd_interval_step(struct snd_interval *i, unsigned int step)
         n = i->min % step;
         if (n != 0 || i->openmin) {
                 i->min += step - n;
+                i->openmin = 0;
                 changed = 1;
         }
         n = i->max % step;
         if (n != 0 || i->openmax) {
                 i->max -= n;
+                i->openmax = 0;
                 changed = 1;
         }
         if (snd_interval_checkempty(i)) {