linux-kernel - [PATCH 1/2] pinctrl: mediatek: add input-enable setting in gpio_request

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Date:	Wed, 17 Feb 2016 03:16:33 +0800
From:	Biao Huang <biao.huang@...iatek.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>,
	<srv_heupstream@...iatek.com>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Hongzhou Yang <hongzhou.yang@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Biao Huang <biao.huang@...iatek.com>
Subject: [PATCH 1/2] pinctrl: mediatek: add input-enable setting in gpio_request_enable

Since input-disable cuts off input signal of gpio, add input-enable
setting in .gpio_request_enable implementation to ensure gpio function well

Signed-off-by: Biao Huang <biao.huang@...iatek.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 6024483..578897a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -764,6 +764,7 @@ static int mtk_pmx_gpio_request_enable(struct pinctrl_dev *pctldev,
 	}
 
 	mtk_pmx_set_mode(pctldev, offset, muxval);
+	mtk_pconf_set_ies_smt(pctl, offset, 1, PIN_CONFIG_INPUT_ENABLE);
 
 	return 0;
 }
-- 
1.7.9.5