linux-kernel - [PATCH 10/11] extcon: arizona: Always take the first HPDET reading as the final one

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Date:	Mon, 11 Feb 2013 16:27:05 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 10/11] extcon: arizona: Always take the first HPDET reading as the final one

This should always be the most accurate reading for supported accessory
configurations.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/extcon/extcon-arizona.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index aeaf217..d991842 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -451,6 +451,10 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading)
 			info->hpdet_res[0], info->hpdet_res[1],
 			info->hpdet_res[2]);
 
+
+		/* Take the headphone impedance for the main report */
+		*reading = info->hpdet_res[0];
+
 		/*
 		 * Either the two grounds measure differently or we
 		 * measure the mic as high impedance.
@@ -466,9 +470,6 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading)
 				dev_err(arizona->dev,
 					"Failed to report mic: %d\n", ret);
 			}
-
-			/* Take the headphone impedance for the main report */
-			*reading = info->hpdet_res[1];
 		} else {
 			dev_dbg(arizona->dev, "Detected headphone\n");
 		}
-- 
1.7.10.4

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