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/* 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 */
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