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| author | Clemens Ladisch <clemens@ladisch.de> | 2006-07-17 16:51:37 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:38:03 +0200 |
| commit | 6ed5eff025b72cb84a884d4be05f854f13b1542f (patch) | |
| tree | c6cf92ad2e646b8134367c2db40168f5e4c651d4 /sound/core/timer.c | |
| parent | [ALSA] system timer: fix lost ticks correction adjustment (diff) | |
| download | linux-6ed5eff025b72cb84a884d4be05f854f13b1542f.tar.xz linux-6ed5eff025b72cb84a884d4be05f854f13b1542f.zip | |
[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>
Diffstat (limited to 'sound/core/timer.c')
| -rw-r--r-- | sound/core/timer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c index 86357007259d..0f6e6727ff7c 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); } |