1# 2# Industrial I/O subsystem configuration 3# 4 5menuconfig IIO 6 tristate "Industrial I/O support" 7 help 8 The industrial I/O subsystem provides a unified framework for 9 drivers for many different types of embedded sensors using a 10 number of different physical interfaces (i2c, spi, etc). 11 12if IIO 13 14config IIO_BUFFER 15 bool "Enable buffer support within IIO" 16 help 17 Provide core support for various buffer based data 18 acquisition methods. 19 20if IIO_BUFFER 21 22config IIO_BUFFER_CB 23boolean "IIO callback buffer used for push in-kernel interfaces" 24 help 25 Should be selected by any drivers that do in-kernel push 26 usage. That is, those where the data is pushed to the consumer. 27 28config IIO_KFIFO_BUF 29 select IIO_TRIGGER 30 tristate "Industrial I/O buffering based on kfifo" 31 help 32 A simple fifo based on kfifo. Note that this currently provides 33 no buffer events so it is up to userspace to work out how 34 often to read from the buffer. 35 36config IIO_TRIGGERED_BUFFER 37 tristate 38 select IIO_TRIGGER 39 select IIO_KFIFO_BUF 40 help 41 Provides helper functions for setting up triggered buffers. 42 43endif # IIO_BUFFER 44 45config IIO_TRIGGER 46 boolean "Enable triggered sampling support" 47 help 48 Provides IIO core support for triggers. Currently these 49 are used to initialize capture of samples to push into 50 buffers. The triggers are effectively a 'capture 51 data now' interrupt. 52 53config IIO_CONSUMERS_PER_TRIGGER 54 int "Maximum number of consumers per trigger" 55 depends on IIO_TRIGGER 56 default "2" 57 help 58 This value controls the maximum number of consumers that a 59 given trigger may handle. Default is 2. 60 61source "drivers/iio/accel/Kconfig" 62source "drivers/iio/adc/Kconfig" 63source "drivers/iio/amplifiers/Kconfig" 64source "drivers/iio/common/Kconfig" 65source "drivers/iio/dac/Kconfig" 66source "drivers/iio/frequency/Kconfig" 67source "drivers/iio/gyro/Kconfig" 68source "drivers/iio/humidity/Kconfig" 69source "drivers/iio/imu/Kconfig" 70source "drivers/iio/light/Kconfig" 71source "drivers/iio/magnetometer/Kconfig" 72source "drivers/iio/orientation/Kconfig" 73if IIO_TRIGGER 74 source "drivers/iio/trigger/Kconfig" 75endif #IIO_TRIGGER 76source "drivers/iio/pressure/Kconfig" 77source "drivers/iio/temperature/Kconfig" 78 79endif # IIO 80