From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sat, 3 Mar 2012 00:10:02 +0000 (+0000)
Subject: ASoC: wm8994: Don't bother updating the jackdet mode needlessly
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=28e33269a71cb4104c2e0629b6a3ef7344436f93;p=openwrt%2Fstaging%2Fblogic.git

ASoC: wm8994: Don't bother updating the jackdet mode needlessly

If we're not doing jackdet it's not needed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 6166a5783410..bda5ddbeecb4 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -686,6 +686,9 @@ static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 
+	if (!wm8994->jackdet || !wm8994->jack_cb)
+		return;
+
 	if (wm8994->active_refcount)
 		mode = WM1811_JACKDET_MODE_AUDIO;