This patch makes it easier to see which of the register writes are part of the cache syncing functionality.

Signed-off-by: Dimitris Papastamos dp@opensource.wolfsonmicro.com --- include/trace/events/asoc.h | 9 +++++++++ sound/soc/soc-cache.c | 5 +++++ 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h index 186e84d..7efed81 100644 --- a/include/trace/events/asoc.h +++ b/include/trace/events/asoc.h @@ -59,6 +59,15 @@ DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read,

);

+DEFINE_EVENT(snd_soc_reg, snd_soc_cache_sync, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + DECLARE_EVENT_CLASS(snd_soc_card,

TP_PROTO(struct snd_soc_card *card, int val), diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index f834839..accd96e 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -18,6 +18,8 @@ #include <linux/bitmap.h> #include <linux/rbtree.h>

+#include <trace/events/asoc.h> + static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec, unsigned int reg) { @@ -895,6 +897,7 @@ static int snd_soc_rbtree_cache_sync(struct snd_soc_codec *codec) codec->cache_bypass = 0; if (ret) return ret; + trace_snd_soc_cache_sync(codec, rbnode->reg, val); dev_dbg(codec->dev, "Synced register %#x, value = %#x\n", rbnode->reg, val); } @@ -1155,6 +1158,7 @@ static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec) codec->cache_bypass = 0; if (ret) return ret; + trace_snd_soc_cache_sync(codec, i, val); dev_dbg(codec->dev, "Synced register %#x, value = %#x\n", i, val); } @@ -1415,6 +1419,7 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec) ret = snd_soc_write(codec, i, val); if (ret) return ret; + trace_snd_soc_cache_sync(codec, i, val); dev_dbg(codec->dev, "Synced register %#x, value = %#x\n", i, val); }