* [PATCH] ASoC: dapm: Only mark pin widgets as dirty if we actually change state
@ 2012-02-16 19:51 Mark Brown
0 siblings, 0 replies; only message in thread
From: Mark Brown @ 2012-02-16 19:51 UTC (permalink / raw)
To: Liam Girdwood; +Cc: alsa-devel, patches, Mark Brown
Small optimisation for noop state updates.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/soc-dapm.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 2844879..a2a9c11 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1915,10 +1915,12 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
return -EINVAL;
}
+ if (w->connected != status)
+ dapm_mark_dirty(w, "pin configuration");
+
w->connected = status;
if (status == 0)
w->force = 0;
- dapm_mark_dirty(w, "pin configuration");
return 0;
}
--
1.7.9.rc1
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2012-02-16 19:51 [PATCH] ASoC: dapm: Only mark pin widgets as dirty if we actually change state Mark Brown
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