linux-kernel - [PATCH 2/2] extcon: arizona: Stop microphone detection if we give up on it

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Date:	Thu, 28 Jun 2012 13:08:31 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/2] extcon: arizona: Stop microphone detection if we give up on it

There should be no point in continuing to try to detect a microphone any
more so stop doing so.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/extcon/extcon-arizona.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 0626754..427a289 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -196,6 +196,8 @@ static irqreturn_t arizona_micdet(int irq, void *data)
 		if (info->jack_flips >= info->micd_num_modes) {
 			dev_dbg(arizona->dev, "Detected headphone\n");
 			info->detecting = false;
+			arizona_stop_mic(info);
+
 			ret = extcon_set_cable_state_(&info->edev,
 						      ARIZONA_CABLE_HEADPHONE,
 						      true);
-- 
1.7.10

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