lineout_mute_gpio 28 sound/aoa/core/gpio-feature.c static int lineout_mute_gpio; lineout_mute_gpio 241 sound/aoa/core/gpio-feature.c &lineout_mute_gpio, lineout_mute_gpio 58 sound/soc/intel/boards/kbl_rt5660.c static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true }; lineout_mute_gpio 64 sound/soc/intel/boards/kbl_rt5660.c { "lineout-mute-gpios", &lineout_mute_gpio, 1 },