Linux Kernel  3.7.1
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slot-gpio.h
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1 /*
2  * Generic GPIO card-detect helper header
3  *
4  * Copyright (C) 2011, Guennadi Liakhovetski <[email protected]>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef MMC_SLOT_GPIO_H
12 #define MMC_SLOT_GPIO_H
13 
14 struct mmc_host;
15 
16 int mmc_gpio_get_ro(struct mmc_host *host);
17 int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
18 void mmc_gpio_free_ro(struct mmc_host *host);
19 
20 int mmc_gpio_get_cd(struct mmc_host *host);
21 int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio);
22 void mmc_gpio_free_cd(struct mmc_host *host);
23 
24 #endif