1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 27e12715eSJesse Barnes #ifndef ACPI_BUTTON_H 37e12715eSJesse Barnes #define ACPI_BUTTON_H 47e12715eSJesse Barnes 57e12715eSJesse Barnes #include <linux/notifier.h> 67e12715eSJesse Barnes 7bcb2b0b2SSudeep Holla #if IS_ENABLED(CONFIG_ACPI_BUTTON) 87e12715eSJesse Barnes extern int acpi_lid_notifier_register(struct notifier_block *nb); 97e12715eSJesse Barnes extern int acpi_lid_notifier_unregister(struct notifier_block *nb); 107e12715eSJesse Barnes extern int acpi_lid_open(void); 111a133e0cSJesse Barnes #else 121a133e0cSJesse Barnes static inline int acpi_lid_notifier_register(struct notifier_block *nb) 131a133e0cSJesse Barnes { 141a133e0cSJesse Barnes return 0; 151a133e0cSJesse Barnes } 161a133e0cSJesse Barnes static inline int acpi_lid_notifier_unregister(struct notifier_block *nb) 171a133e0cSJesse Barnes { 181a133e0cSJesse Barnes return 0; 191a133e0cSJesse Barnes } 201a133e0cSJesse Barnes static inline int acpi_lid_open(void) 211a133e0cSJesse Barnes { 221a133e0cSJesse Barnes return 1; 231a133e0cSJesse Barnes } 24bcb2b0b2SSudeep Holla #endif /* IS_ENABLED(CONFIG_ACPI_BUTTON) */ 257e12715eSJesse Barnes 267e12715eSJesse Barnes #endif /* ACPI_BUTTON_H */ 27