diff options
| -rw-r--r-- | sound/core/pcm_lib.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 30f410832a2..9621236b2fe 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -126,15 +126,22 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram } } +#define XRUN_DEBUG_BASIC (1<<0) +#define XRUN_DEBUG_STACK (1<<1) /* dump also stack */ +#define XRUN_DEBUG_JIFFIESCHECK (1<<2) /* do jiffies check */ +#define XRUN_DEBUG_PERIODUPDATE (1<<3) /* full period update info */ +#define XRUN_DEBUG_HWPTRUPDATE (1<<4) /* full hwptr update info */ + #ifdef CONFIG_SND_PCM_XRUN_DEBUG -#define xrun_debug(substream, mask) ((substream)->pstr->xrun_debug & (mask)) +#define xrun_debug(substream, mask) \ + ((substream)->pstr->xrun_debug & (mask)) #else #define xrun_debug(substream, mask) 0 #endif -#define dump_stack_on_xrun(substream) do { \ - if (xrun_debug(substream, 2)) \ - dump_stack(); \ +#define dump_stack_on_xrun(substream) do { \ + if (xrun_debug(substream, XRUN_DEBUG_STACK)) \ + dump_stack(); \ } while (0) static void pcm_debug_name(struct snd_pcm_substream *substream, @@ -154,7 +161,7 @@ static void xrun(struct snd_pcm_substream *substream) if (runtime->tstamp_mode == SNDRV_PCM_TSTAMP_ENABLE) snd_pcm_gettime(runtime, (struct timespec *)&runtime->status->tstamp); snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); - if (xrun_debug(substream, 1)) { + if (xrun_debug(substream, XRUN_DEBUG_BASIC)) { char name[16]; pcm_debug_name(substream, name, sizeof(name)); snd_printd(KERN_DEBUG "XRUN: %s\n", name); @@ -215,7 +222,7 @@ static int snd_pcm_update_hw_ptr_post(struct snd_pcm_substream *substream, #define hw_ptr_error(substream, fmt, args...) \ do { \ - if (xrun_debug(substream, 1)) { \ + if (xrun_debug(substream, XRUN_DEBUG_BASIC)) { \ if (printk_ratelimit()) { \ snd_printd("PCM: " fmt, ##args); \ } \ @@ -237,7 +244,7 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream) xrun(substream); return -EPIPE; } - if (xrun_debug(substream, 8)) { + if (xrun_debug(substream, XRUN_DEBUG_PERIODUPDATE)) { char name[16]; pcm_debug_name(substream, name, sizeof(name)); snd_printd("period_update: %s: pos=0x%x/0x%x/0x%x, " @@ -290,7 +297,7 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream) } /* Do jiffies check only in xrun_debug mode */ - if (!xrun_debug(substream, 4)) + if (!xrun_debug(substream, XRUN_DEBUG_JIFFIESCHECK)) goto no_jiffies_check; /* Skip the jiffies check for hardwares with BATCH flag. @@ -369,7 +376,7 @@ int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream) xrun(substream); return -EPIPE; } - if (xrun_debug(substream, 16)) { + if (xrun_debug(substream, XRUN_DEBUG_HWPTRUPDATE)) { char name[16]; pcm_debug_name(substream, name, sizeof(name)); snd_printd("hw_update: %s: pos=0x%x/0x%x/0x%x, " @@ -403,7 +410,7 @@ int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream) new_hw_ptr = hw_base + pos; } /* Do jiffies check only in xrun_debug mode */ - if (!xrun_debug(substream, 4)) + if (!xrun_debug(substream, XRUN_DEBUG_JIFFIESCHECK)) goto no_jiffies_check; if (delta < runtime->delay) goto no_jiffies_check; |