[alsa-devel] [PATCH 1/3] ASoC: wm8994: Tune debounce rates for jack detect mode

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Apr 26 18:25:07 CEST 2012


Use a slightly larger debounce when identifying accessory type and a
slightly smaller one when detecting buttons in response to user feedback
from large scale testing.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 9d50e76..9754904 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -70,8 +70,8 @@ static const struct wm8958_micd_rate micdet_rates[] = {
 static const struct wm8958_micd_rate jackdet_rates[] = {
 	{ 32768,       true,  0, 1 },
 	{ 32768,       false, 0, 1 },
-	{ 44100 * 256, true,  7, 10 },
-	{ 44100 * 256, false, 7, 10 },
+	{ 44100 * 256, true,  10, 10 },
+	{ 44100 * 256, false, 7, 8 },
 };
 
 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
@@ -3481,6 +3481,8 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 	if (present) {
 		dev_dbg(codec->dev, "Jack detected\n");
 
+		wm8958_micd_set_rate(codec);
+
 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, 0);
 
-- 
1.7.10



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