Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Compaq Presario CQ60 patching for Conexant
  sound: usb-audio: make the MotU Fastlane work again
  ALSA: Enable PCM hw_ptr_jiffies check only in xrun_debug mode
  ALSA: Fix invalid jiffies check after pause

1 files changed, 8 insertions, 2 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a2a792c18c40..d659995ac3ac 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -249,6 +249,11 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
                         new_hw_ptr = hw_base + pos;
                 }
         }
+
+        /* Do jiffies check only in xrun_debug mode */
+        if (!xrun_debug(substream))
+                goto no_jiffies_check;
+
         /* Skip the jiffies check for hardwares with BATCH flag.
          * Such hardware usually just increases the position at each IRQ,
          * thus it can't give any strange position.
@@ -336,7 +341,9 @@ int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream)
                         hw_base = 0;
                 new_hw_ptr = hw_base + pos;
         }
-        if (((delta * HZ) / runtime->rate) > jdelta + HZ/100) {
+        /* Do jiffies check only in xrun_debug mode */
+        if (xrun_debug(substream) &&
+            ((delta * HZ) / runtime->rate) > jdelta + HZ/100) {
                 hw_ptr_error(substream,
                              "hw_ptr skipping! "
                              "(pos=%ld, delta=%ld, period=%ld, jdelta=%lu/%lu)\n",
@@ -1478,7 +1485,6 @@ static int snd_pcm_lib_ioctl_reset(struct snd_pcm_substream *substream,
                 runtime->status->hw_ptr %= runtime->buffer_size;
         else
                 runtime->status->hw_ptr = 0;
-        runtime->hw_ptr_jiffies = jiffies;
         snd_pcm_stream_unlock_irqrestore(substream, flags);
         return 0;
 }