[ALSA] system timer: accumulate correction for multiple lost ticks

When multiple timer interrupts arrive too late, correct for all delays
instead of ignoring the earlier ones.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/timer.c b/sound/core/timer.c
index 86357007259..0f6e6727ff7 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -971,7 +971,7 @@ static void snd_timer_s_function(unsigned long data)
         struct snd_timer_system_private *priv = timer->private_data;
         unsigned long jiff = jiffies;
         if (time_after(jiff, priv->last_expires))
-                priv->correction = (long)jiff - (long)priv->last_expires;
+                priv->correction += (long)jiff - (long)priv->last_expires;
         snd_timer_interrupt(timer, (long)jiff - (long)priv->last_jiffies);
 }