[alsa-devel] [PATCH 0/5] ALSA: pcm: snd_interval_step: fix changes of open intervals

[Clemens Ladisch]

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

Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
---
 sound/core/pcm_lib.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6fd5e1c..b03c7ae 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)) {