On Mon, 31 May 2010, VDR User wrote:
On Mon, May 31, 2010 at 11:30 AM, Jaroslav Kysela <perex@xxxxxxxx> wrote:
Thanks. Could you try this patch?
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 170610e..ac3dbab 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1910,7 +1910,7 @@ static int azx_position_ok(struct azx *chip, struct
azx_dev *azx_dev)
if (WARN_ONCE(!azx_dev->period_bytes,
"hda-intel: zero azx_dev->period_bytes"))
return -1; /* this shouldn't happen! */
- if (wallclk <= azx_dev->period_wallclk &&
+ if (wallclk < (azx_dev->period_wallclk * 3) / 2 &&
pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
/* NG - it's below the first next period boundary */
return bdl_pos_adj[chip->dev_index] ? 0 : -1;
-----
I've got a bit of a strange result. With the above patch (and the
wallclk logging patch from your previous email), sound does not work.
However, it _does_ start working only if I `echo 29 >
/proc/asound/card1/pcm3p/xrun_debug`. I tested these results with a
reboot in between each attempt just to make sure I'm working with a
clean boot. I can't imagine what's causing this weird condition. Any
ideas?
Try to disable jiffies check (value 25 for xrun_debug). Please, post your
log for value 29 for inspection. Thanks.
Jaroslav
-----
Jaroslav Kysela <perex@xxxxxxxx>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.
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