release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/iio/adc/adc.h

   1 /*
   2  * adc.h - sysfs attributes associated with ADCs
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 as published by
   6  * the Free Software Foundation.
   7  *
   8  * Copyright (c) 2008 Jonathan Cameron <jic23@cam.ac.uk>
   9  *
  10  */
  11
  12 /* Deprecated */
  13 #define IIO_DEV_ATTR_ADC(_num, _show, _addr)                    \
  14   IIO_DEVICE_ATTR(adc_##_num, S_IRUGO, _show, NULL, _addr)
  15
  16 #define IIO_DEV_ATTR_IN_RAW(_num, _show, _addr)                         \
  17         IIO_DEVICE_ATTR(in##_num##_raw, S_IRUGO, _show, NULL, _addr)
  18
  19 #define IIO_DEV_ATTR_IN_NAMED_RAW(_name, _show, _addr)                  \
  20         IIO_DEVICE_ATTR(in_##_name##_raw, S_IRUGO, _show, NULL, _addr)
  21
  22 #define IIO_DEV_ATTR_IN_DIFF_RAW(_nump, _numn, _show, _addr)            \
  23         IIO_DEVICE_ATTR_NAMED(in##_nump##min##_numn##_raw,              \
  24                               in##_nump-in##_numn##_raw,                \
  25                               S_IRUGO,                                  \
  26                               _show,                                    \
  27                               NULL,                                     \
  28                               _addr)
  29
  30 #define IIO_EVENT_CODE_IN_HIGH_THRESH(a) (IIO_EVENT_CODE_ADC_BASE  + a)
  31 #define IIO_EVENT_CODE_IN_LOW_THRESH(a) (IIO_EVENT_CODE_ADC_BASE  + a + 32)