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ASoC: nau8825: jack connection decision with different insertion logic

Message ID 1467770975-11351-1-git-send-email-KCHSU0@nuvoton.com (mailing list archive)
State Accepted
Commit bff03e81502cb9ac99daeeb47b4d0e779cc48fde
Headers show

Commit Message

AS50 KCHsu0 July 6, 2016, 2:09 a.m. UTC 
The original design only covers the jack insertion logic is active low.
Add more condition to cover no matter the logic is active low and high.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
---
 sound/soc/codecs/nau8825.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
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Patch

diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 3f30e6e..a97418d 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -1345,10 +1345,17 @@  EXPORT_SYMBOL_GPL(nau8825_enable_jack_detect);
 
 static bool nau8825_is_jack_inserted(struct regmap *regmap)
 {
-	int status;
+	bool active_high, is_high;
+	int status, jkdet;
 
+	regmap_read(regmap, NAU8825_REG_JACK_DET_CTRL, &jkdet);
+	active_high = !!(jkdet & NAU8825_JACK_POLARITY);
 	regmap_read(regmap, NAU8825_REG_I2C_DEVICE_ID, &status);
-	return !(status & NAU8825_GPIO2JD1);
+	is_high = !!(status & NAU8825_GPIO2JD1);
+	/* return jack connection status according to jack insertion logic
+	 * active high or active low.
+	 */
+	return active_high == is_high;
 }
 
 static void nau8825_restart_jack_detection(struct regmap *regmap)