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

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 6024483dd336826661e730fd57ad292d6e1a2336..578897a1c45fc8e469b493c530b470d45acc47cc 100644 (file)
--- 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;
 }