/* Copyright (c) 2011, Code Aurora Forum. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _LINUX_MSM_GPIOMUX_H #define _LINUX_MSM_GPIOMUX_H #ifdef CONFIG_MSM_GPIOMUX /* Increment a gpio's reference count, possibly activating the line. */ int __must_check msm_gpiomux_get(unsigned gpio); /* Decrement a gpio's reference count, possibly suspending the line. */ int msm_gpiomux_put(unsigned gpio); #else static inline int __must_check msm_gpiomux_get(unsigned gpio) { return -ENOSYS; } static inline int msm_gpiomux_put(unsigned gpio) { return -ENOSYS; } #endif #endif /* _LINUX_MSM_GPIOMUX_H */