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| author | Tim Gardner <tim.gardner@canonical.com> | 2013-08-16 11:18:59 -0600 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-08-19 15:48:33 +0200 |
| commit | bcbb15530ebe9737622cb7779b35c61f48b49734 (patch) | |
| tree | f2080fe60461510df9287c6cb4ae8c6913d51f9f /include/sound/core.h | |
| parent | c841ad2a9b86c7317dc7e4fe4e03bc56a6c0d6e8 (diff) | |
| download | linux-bcbb15530ebe9737622cb7779b35c61f48b49734.tar.bz2 | |
ALSA: pcm: Add snd_printd_ratelimit()
Direct calls to printk_limit() will emit log noise even when CONFIG_SND_DEBUG is not
defined. Add a wrapper macro around printk_limit() that is conditionally defined by
CONFIG_SND_DEBUG.
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>
Diffstat (limited to 'include/sound/core.h')
| -rw-r--r-- | include/sound/core.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index c586617cfa0d..2a14f1f02d4f 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -27,6 +27,7 @@ #include <linux/rwsem.h> /* struct rw_semaphore */ #include <linux/pm.h> /* pm_message_t */ #include <linux/stringify.h> +#include <linux/printk.h> /* number of supported soundcards */ #ifdef CONFIG_SND_DYNAMIC_MINORS @@ -376,6 +377,11 @@ void __snd_printk(unsigned int level, const char *file, int line, #define snd_BUG() WARN(1, "BUG?\n") /** + * Suppress high rates of output when CONFIG_SND_DEBUG is enabled. + */ +#define snd_printd_ratelimit() printk_ratelimit() + +/** * snd_BUG_ON - debugging check macro * @cond: condition to evaluate * @@ -398,6 +404,8 @@ static inline void _snd_printd(int level, const char *format, ...) {} unlikely(__ret_warn_on); \ }) +static inline bool snd_printd_ratelimit(void) { return false; } + #endif /* CONFIG_SND_DEBUG */ #ifdef CONFIG_SND_DEBUG_VERBOSE |