From 7c08b51f2fbb76b768d78ca6b0e13155d2c1e811 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 26 Jan 2012 18:33:24 +0000
Subject: [PATCH] ASoC: wm8994: Report any low impedance accessory as a
headphone
Report any accessory with a low impedance as a headphone, previously
anything other than a short or microphone would not be reported at all.
The most likely reason is a microphone with incorrect polarity.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm8994.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index b047bfada709b..11ca19b72d7d5 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3089,7 +3089,7 @@ static void wm8958_default_micdet(u16 status, void *data)
}
- if (wm8994->mic_detecting && status & 0x4) {
+ if (wm8994->mic_detecting && status & 0xfc) {
dev_dbg(codec->dev, "Detected headphone\n");
wm8994->mic_detecting = false;
--
2.30.2