linux-kernel - [PATCH 5/9] extcon: arizona: Add support for general purpose switch

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Message-ID: <1442396541-7145-6-git-send-email-ckeepax@opensource.wolfsonmicro.com>
Date:	Wed, 16 Sep 2015 10:42:17 +0100
From:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:	<cw00.choi@...sung.com>, <lee.jones@...aro.org>
CC:	<myungjoo.ham@...sung.com>, <sameo@...ux.intel.com>,
	<patches@...nsource.wolfsonmicro.com>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 5/9] extcon: arizona: Add support for general purpose switch

The switch is typically used in conjunction with the MICDET clamp in
order to suppress pops and clicks associated with jack insertion.

Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/extcon/extcon-arizona.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index f213e14..d719ee7 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1310,6 +1310,10 @@ static int arizona_extcon_probe(struct platform_device *pdev)
 		info->micd_num_modes = ARRAY_SIZE(micd_default_modes);
 	}
 
+	if (arizona->pdata.gpsw > 0)
+		regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1,
+				ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw);
+
 	if (arizona->pdata.micd_pol_gpio > 0) {
 		if (info->micd_modes[0].gpio)
 			mode = GPIOF_OUT_INIT_HIGH;
-- 
1.7.2.5

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