[ALSA] timer: fix timer rescheduling

When checking whether a hardware timer needs to be rescheduled, we have
to compare against the previously scheduled interval and not against the
actual interval between the last two interrupts.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/core/timer.c b/sound/core/timer.c
index 4fcc854..3a2f8e2 100644 (file)
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -718,7 +718,7 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)
                }
        }
        if (timer->flags & SNDRV_TIMER_FLG_RESCHED)
-               snd_timer_reschedule(timer, ticks_left);
+               snd_timer_reschedule(timer, timer->sticks);
        if (timer->running) {
                if (timer->hw.flags & SNDRV_TIMER_HW_STOP) {
                        timer->hw.stop(timer);