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kernel/linux-imx6_3.14.28/include/linux/mmc/pm.h 1.02 KB
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  /*
   * linux/include/linux/mmc/pm.h
   *
   * Author:	Nicolas Pitre
   * Copyright:	(C) 2009 Marvell Technology Group Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef LINUX_MMC_PM_H
  #define LINUX_MMC_PM_H
  
  /*
   * These flags are used to describe power management features that
   * some cards (typically SDIO cards) might wish to benefit from when
   * the host system is being suspended.  There are several layers of
   * abstractions involved, from the host controller driver, to the MMC core
   * code, to the SDIO core code, to finally get to the actual SDIO function
   * driver.  This file is therefore used for common definitions shared across
   * all those layers.
   */
  
  typedef unsigned int mmc_pm_flag_t;
  
  #define MMC_PM_KEEP_POWER	(1 << 0)	/* preserve card power during suspend */
  #define MMC_PM_WAKE_SDIO_IRQ	(1 << 1)	/* wake up host system on SDIO IRQ assertion */
  
  #endif /* LINUX_MMC_PM_H */