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authorLars-Peter Clausen <lars@metafoo.de>2013-06-14 13:16:51 +0200
committerMark Brown <broonie@linaro.org>2013-06-14 12:34:10 +0100
commit6b75bf0c5b17d71c3b0568caaaaae73a22f83826 (patch)
treeef3d43f133e5a7962534f7caa005689268776f4e
parent317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff)
ASoC: dapm: Setup private_free callback for dapm kcontrols
The private data containing the widget list that is a assigned to a DAPM kcontrol is never freed. Setup the private_free for DAPM kcontrols to take care of this. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r--sound/soc/soc-dapm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a80c883bb8be..9dd2d1d63981 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -504,6 +504,11 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
return 0;
}
+static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
+{
+ kfree(kctl->private_data);
+}
+
/*
* Determine if a kcontrol is shared. If it is, look it up. If it isn't,
* create it. Either way, add the widget into the control's widget list
@@ -617,6 +622,7 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], wlist, name,
prefix);
+ kcontrol->private_free = dapm_kcontrol_free;
ret = snd_ctl_add(card, kcontrol);
if (ret < 0) {
dev_err(dapm->dev,