From 1a8b2d9d5b6a9909ef0633990fb40c765a791692 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 16 Feb 2012 11:50:07 -0800 Subject: [PATCH] ASoC: dapm: Only mark pin widgets as dirty if we actually change state Small optimisation for noop state updates. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- sound/soc/soc-dapm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8656904..c9b088d 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1927,10 +1927,12 @@ 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; } -- 2.7.4