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authorDavid S. Miller <davem@davemloft.net>2011-04-11 16:44:25 -0400
committerDavid S. Miller <davem@davemloft.net>2011-04-11 16:44:25 -0400
commit1c01a80cfec6f806246f31ff2680cd3639b30e67 (patch)
tree0b554aad2ec1da71ecf6339d4ba51617bfe1dc3c /sound/core/pcm_lib.c
parentc44d79950b2daa1025e62eede73e4e4a274d1ef3 (diff)
parent4a9f65f6304a00f6473e83b19c1e83caa1e42530 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/smsc911x.c
Diffstat (limited to 'sound/core/pcm_lib.c')
-rw-r--r--sound/core/pcm_lib.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a82e3756a72..64449cb8f87 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -375,6 +375,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
375 } 375 }
376 376
377 if (runtime->no_period_wakeup) { 377 if (runtime->no_period_wakeup) {
378 snd_pcm_sframes_t xrun_threshold;
378 /* 379 /*
379 * Without regular period interrupts, we have to check 380 * Without regular period interrupts, we have to check
380 * the elapsed time to detect xruns. 381 * the elapsed time to detect xruns.
@@ -383,7 +384,8 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
383 if (jdelta < runtime->hw_ptr_buffer_jiffies / 2) 384 if (jdelta < runtime->hw_ptr_buffer_jiffies / 2)
384 goto no_delta_check; 385 goto no_delta_check;
385 hdelta = jdelta - delta * HZ / runtime->rate; 386 hdelta = jdelta - delta * HZ / runtime->rate;
386 while (hdelta > runtime->hw_ptr_buffer_jiffies / 2 + 1) { 387 xrun_threshold = runtime->hw_ptr_buffer_jiffies / 2 + 1;
388 while (hdelta > xrun_threshold) {
387 delta += runtime->buffer_size; 389 delta += runtime->buffer_size;
388 hw_base += runtime->buffer_size; 390 hw_base += runtime->buffer_size;
389 if (hw_base >= runtime->boundary) 391 if (hw_base >= runtime->boundary)