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authorJaroslav Kysela <perex@suse.cz>2006-04-24 21:57:16 +0200
committerJaroslav Kysela <perex@suse.cz>2006-04-27 21:10:40 +0200
commit61fb63c096a2e88b87742eaecfe88912b89f57cf (patch)
tree7cbc136c070079b41473feb26bcb60211e9f5d11 /sound/core/pcm_lib.c
parenta2bbbc0c3c9554ac70e96ec3effae60124f0f009 (diff)
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[ALSA] PCM core - introduce CONFIG_SND_PCM_XRUN_DEBUG
This patch makes the XRUN (overrun/underrun) notification code optional. Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/core/pcm_lib.c')
-rw-r--r--sound/core/pcm_lib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 230a940d00bd..eedc6cb038bb 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -130,7 +130,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
static void xrun(struct snd_pcm_substream *substream)
{
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (substream->pstr->xrun_debug) {
snd_printd(KERN_DEBUG "XRUN: pcmC%dD%d%c\n",
substream->pcm->card->number,
@@ -204,7 +204,7 @@ static inline int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *subs
delta = hw_ptr_interrupt - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (runtime->periods > 1 && substream->pstr->xrun_debug) {
snd_printd(KERN_ERR "Unexpected hw_pointer value [1] (stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream, (long) delta, runtime->buffer_size / 2);
if (substream->pstr->xrun_debug > 1)
@@ -249,7 +249,7 @@ int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream)
delta = old_hw_ptr - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (runtime->periods > 2 && substream->pstr->xrun_debug) {
snd_printd(KERN_ERR "Unexpected hw_pointer value [2] (stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream, (long) delta, runtime->buffer_size / 2);
if (substream->pstr->xrun_debug > 1)