linux-kernel - [PATCH v4 1/5] pinctrl: mediatek: fix direction control issue

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Date:	Wed, 27 Jan 2016 09:24:39 +0800
From:	Biao Huang <biao.huang@...iatek.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Erin Lo <erin.lo@...iatek.com>
CC:	<devicetree@...r.kernel.org>, <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>,
	Biao Huang <biao.huang@...iatek.com>
Subject: [PATCH v4 1/5] pinctrl: mediatek: fix direction control issue

Since input-enable/disable and input-schmitt-enable/disable are
workable when gpio direction is input, so add direction setting
when do input-enable/disable and input-schmitt-enable/disable
properties.

Signed-off-by: Biao Huang <biao.huang@...iatek.com>
Acked-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 16d48a4..e96e86d 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -347,6 +347,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
 		ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg);
 		break;
 	case PIN_CONFIG_INPUT_ENABLE:
+		mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
 		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
 		break;
 	case PIN_CONFIG_OUTPUT:
@@ -354,6 +355,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
 		ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false);
 		break;
 	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+		mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
 		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
 		break;
 	case PIN_CONFIG_DRIVE_STRENGTH:
-- 
1.7.9.5