diff options
| author | Jaroslav Kysela <perex@suse.cz> | 2006-04-24 21:57:16 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-04-27 21:10:40 +0200 |
| commit | 61fb63c096a2e88b87742eaecfe88912b89f57cf (patch) | |
| tree | 7cbc136c070079b41473feb26bcb60211e9f5d11 /sound/core/pcm_lib.c | |
| parent | a2bbbc0c3c9554ac70e96ec3effae60124f0f009 (diff) | |
| download | lwn-61fb63c096a2e88b87742eaecfe88912b89f57cf.tar.gz lwn-61fb63c096a2e88b87742eaecfe88912b89f57cf.zip | |
[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.c | 6 |
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) |