mic_det_gpio 60 sound/soc/intel/boards/kbl_rt5660.c static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false }; mic_det_gpio 66 sound/soc/intel/boards/kbl_rt5660.c { "mic-det-gpios", &mic_det_gpio, 1 },