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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: MyungJoo Ham <myungjoo.ham@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>
Cc: patches@opensource.wolfsonmicro.com,
	linux-kernel@vger.kernel.org,
	Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH 1/5] extcon: arizona: Disable debouce for accessory removal detection
Date: Thu, 24 Jan 2013 00:03:45 +0800	[thread overview]
Message-ID: <1358957029-5421-1-git-send-email-broonie@opensource.wolfsonmicro.com> (raw)

Ensure we clamp as quickly as possible after removal by disabling the
debounce while there is an accessory present.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 drivers/extcon/extcon-arizona.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index de141f7..ce95f86 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -773,6 +773,10 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
 		} else {
 			arizona_start_hpdet_acc_id(info);
 		}
+
+		regmap_update_bits(arizona->regmap,
+				   ARIZONA_JACK_DETECT_DEBOUNCE,
+				   ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0);
 	} else {
 		dev_dbg(arizona->dev, "Detected jack removal\n");
 
@@ -792,6 +796,11 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
 		if (ret != 0)
 			dev_err(arizona->dev, "Removal report failed: %d\n",
 				ret);
+
+		regmap_update_bits(arizona->regmap,
+				   ARIZONA_JACK_DETECT_DEBOUNCE,
+				   ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB,
+				   ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB);
 	}
 
 	mutex_unlock(&info->lock);
-- 
1.7.10.4


             reply	other threads:[~2013-01-23 16:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-23 16:03 Mark Brown [this message]
2013-01-23 16:03 ` [PATCH 2/5] extcon: arizona: Retry failed HP measurements Mark Brown
2013-01-23 16:03 ` [PATCH 3/5] extcon: arizona: Remove duplicate rate configuration Mark Brown
2013-01-23 16:03 ` [PATCH 4/5] extcon: arizona: Support additional configuration of microphone detection Mark Brown
2013-01-23 16:03 ` [PATCH 5/5] extcon: arizona: Use regulated mode for microphone supply when detecting Mark Brown
2013-01-24  0:59   ` Chanwoo Choi
2013-01-24  1:10 ` [PATCH 1/5] extcon: arizona: Disable debouce for accessory removal detection Chanwoo Choi

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