linux/drivers/iio/Kconfig
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   1#
   2# Industrial I/O subsytem configuration
   3#
   4
   5menuconfig IIO
   6        tristate "Industrial I/O support"
   7        depends on GENERIC_HARDIRQS
   8        help
   9          The industrial I/O subsystem provides a unified framework for
  10          drivers for many different types of embedded sensors using a
  11          number of different physical interfaces (i2c, spi, etc).
  12
  13if IIO
  14
  15config IIO_BUFFER
  16        bool "Enable buffer support within IIO"
  17        help
  18          Provide core support for various buffer based data
  19          acquisition methods.
  20
  21if IIO_BUFFER
  22
  23config IIO_KFIFO_BUF
  24        select IIO_TRIGGER
  25        tristate "Industrial I/O buffering based on kfifo"
  26        help
  27          A simple fifo based on kfifo.  Use this if you want a fifo
  28          rather than a ring buffer. Note that this currently provides
  29          no buffer events so it is up to userspace to work out how
  30          often to read from the buffer.
  31
  32config IIO_TRIGGERED_BUFFER
  33        tristate
  34        select IIO_TRIGGER
  35        select IIO_KFIFO_BUF
  36        help
  37          Provides helper functions for setting up triggered buffers.
  38
  39endif # IIO_BUFFER
  40
  41config IIO_TRIGGER
  42        boolean "Enable triggered sampling support"
  43        help
  44          Provides IIO core support for triggers.  Currently these
  45          are used to initialize capture of samples to push into
  46          ring buffers.  The triggers are effectively a 'capture
  47          data now' interrupt.
  48
  49config IIO_CONSUMERS_PER_TRIGGER
  50       int "Maximum number of consumers per trigger"
  51       depends on IIO_TRIGGER
  52       default "2"
  53       help
  54        This value controls the maximum number of consumers that a
  55        given trigger may handle. Default is 2.
  56
  57source "drivers/iio/adc/Kconfig"
  58source "drivers/iio/amplifiers/Kconfig"
  59source "drivers/iio/light/Kconfig"
  60source "drivers/iio/frequency/Kconfig"
  61source "drivers/iio/dac/Kconfig"
  62
  63endif # IIO
  64
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