Hi Shengjiu, On Thu, Aug 6, 2020 at 8:55 AM Shengjiu Wang <shengjiu.wang@xxxxxxx> wrote: > &iomuxc { > imx6x-sdb { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_hog>; Instead of adding a hog group, please add the headphone detect GPIO under the audmux group like you did in the imx6sl-evk patch. Thanks