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@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 16d48a4ed225..e96e86d2e745 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: