From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 1 Mar 2012 19:01:43 +0000 (+0000)
Subject: ASoC: wm8994: Disable debounce of jack detection on inserted jack
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=378ec0ca38527d3ca3683f7f38f3243c8d0a90f3;p=deliverable%2Flinux.git

ASoC: wm8994: Disable debounce of jack detection on inserted jack

Don't debounce jack detection for inserted jacks, giving improved
responsiveness.

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

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index bc1f1199a87f..81d62a38475e 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3235,6 +3235,10 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, 0);
 
+		/* Disable debounce while inserted */
+		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
+				    WM1811_JACKDET_DB, 0);
+
 		/*
 		 * Start off measument of microphone impedence to find
 		 * out what's actually there.
@@ -3270,6 +3274,10 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
 				    wm8994->btn_mask);
 
+		/* Enable debounce while removed */
+		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
+				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);
+
 		wm8994->mic_detecting = false;
 		wm8994->jack_mic = false;
 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,