Hi,
Maestro3 driver of linux-2.6.0-test1 (and may be before) has a problem with
SMP.
# cannot record properly and sometimes interrupted to play.
Here is a patch.
It worked fine. But I'm new for alsa.
So please test and check alsa-driver's maestro3.c
--- linux-2.6.0-test1/sound/pci/maestro3.c.orig 2003-07-14 12:34:50 +0900
+++ linux-2.6.0-test1/sound/pci/maestro3.c 2003-07-25 02:13:47 +0900
@@ -1526,9 +1526,15 @@
snd_m3_pcm_pointer(snd_pcm_substream_t * subs)
{
m3_t *chip = snd_pcm_substream_chip(subs);
+ size_t ptr;
+
+ spin_lock(&chip->reg_lock);
m3_dma_t *s = (m3_dma_t*)subs->runtime->private_data;
snd_assert(s != NULL, return 0);
- return bytes_to_frames(subs->runtime, snd_m3_get_pointer(chip, s, subs));
+ ptr = bytes_to_frames(subs->runtime, snd_m3_get_pointer(chip, s,
subs));
+ spin_unlock(&chip->reg_lock);
+
+ return ptr;
}
--
-- shivaken
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