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authorTakashi Iwai <tiwai@suse.de>2009-03-19 10:01:47 +0100
committerTakashi Iwai <tiwai@suse.de>2009-03-19 10:01:47 +0100
commit5f513e1197f27e9a0bcfec0feaac59f976f4a37e (patch)
treeb82a37f36b4153abc666ad67839d8ef694111bc9 /sound/core
parent98204646f2b15d368701265e4194b773a6f94600 (diff)
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ALSA: pcm - Reset invalid position even without debug option
Always reset the invalind hw_ptr position returned by the pointer callback. The behavior should be consitent independently from the debug option. Also, add the printk_ratelimit() check to avoid flooding debug prints. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/pcm_lib.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 302654769faf..92ed6d819225 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -159,11 +159,15 @@ snd_pcm_update_hw_ptr_pos(struct snd_pcm_substream *substream,
pos = substream->ops->pointer(substream);
if (pos == SNDRV_PCM_POS_XRUN)
return pos; /* XRUN */
-#ifdef CONFIG_SND_DEBUG
if (pos >= runtime->buffer_size) {
- snd_printk(KERN_ERR "BUG: stream = %i, pos = 0x%lx, buffer size = 0x%lx, period size = 0x%lx\n", substream->stream, pos, runtime->buffer_size, runtime->period_size);
+ if (printk_ratelimit()) {
+ snd_printd(KERN_ERR "BUG: stream = %i, pos = 0x%lx, "
+ "buffer size = 0x%lx, period size = 0x%lx\n",
+ substream->stream, pos, runtime->buffer_size,
+ runtime->period_size);
+ }
+ pos = 0;
}
-#endif
pos -= pos % runtime->min_align;
return pos;
}