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ALSA: pcm: Use snd_printd_ratelimit()

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The use of snd_printd_ratelimit() supresses superfluous output from
printk_ratelimit() when CONFIG_SND_DEBUG is not defined. For example,

[   43.753692] snd_pcm_update_hw_ptr0: 26 callbacks suppressed
[   48.822131] snd_pcm_update_hw_ptr0: 25 callbacks suppressed
[   53.894953] snd_pcm_update_hw_ptr0: 25 callbacks suppressed
[   58.997761] snd_pcm_update_hw_ptr0: 25 callbacks suppressed
[   64.100952] snd_pcm_update_hw_ptr0: 25 callbacks suppressed

fills the log even when no debug output is actually produced.

Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Yacine Belkadi <yacine.belkadi.1@gmail.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Tim Gardner 2013-08-16 11:19:00 -06:00 committed by Takashi Iwai
parent bcbb15530e
commit 74d779ab7c
1 changed files with 2 additions and 2 deletions
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4
sound/core/pcm_lib.c
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@ -184,7 +184,7 @@ static void xrun(struct snd_pcm_substream *substream)
do { \
if (xrun_debug(substream, XRUN_DEBUG_BASIC)) { \
xrun_log_show(substream); \
if (printk_ratelimit()) { \
if (snd_printd_ratelimit()) { \
snd_printd("PCM: " fmt, ##args); \
} \
dump_stack_on_xrun(substream); \
@ -342,7 +342,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
return -EPIPE;
}
if (pos >= runtime->buffer_size) {
if (printk_ratelimit()) {
if (snd_printd_ratelimit()) {
char name[16];
snd_pcm_debug_name(substream, name, sizeof(name));
xrun_log_show(substream);