1# 2# Industrial I/O subsystem configuration 3# 4 5menuconfig IIO 6 tristate "Industrial I/O support" 7 select ANON_INODES 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_BUFFER_CB 24boolean "IIO callback buffer used for push in-kernel interfaces" 25 help 26 Should be selected by any drivers that do in-kernel push 27 usage. That is, those where the data is pushed to the consumer. 28 29config IIO_KFIFO_BUF 30 select IIO_TRIGGER 31 tristate "Industrial I/O buffering based on kfifo" 32 help 33 A simple fifo based on kfifo. Note that this currently provides 34 no buffer events so it is up to userspace to work out how 35 often to read from the buffer. 36 37config IIO_TRIGGERED_BUFFER 38 tristate 39 select IIO_TRIGGER 40 select IIO_KFIFO_BUF 41 help 42 Provides helper functions for setting up triggered buffers. 43 44endif # IIO_BUFFER 45 46config IIO_TRIGGER 47 boolean "Enable triggered sampling support" 48 help 49 Provides IIO core support for triggers. Currently these 50 are used to initialize capture of samples to push into 51 buffers. The triggers are effectively a 'capture 52 data now' interrupt. 53 54config IIO_CONSUMERS_PER_TRIGGER 55 int "Maximum number of consumers per trigger" 56 depends on IIO_TRIGGER 57 default "2" 58 help 59 This value controls the maximum number of consumers that a 60 given trigger may handle. Default is 2. 61 62source "drivers/iio/accel/Kconfig" 63source "drivers/iio/adc/Kconfig" 64source "drivers/iio/amplifiers/Kconfig" 65source "drivers/iio/common/Kconfig" 66source "drivers/iio/dac/Kconfig" 67source "drivers/iio/frequency/Kconfig" 68source "drivers/iio/gyro/Kconfig" 69source "drivers/iio/humidity/Kconfig" 70source "drivers/iio/imu/Kconfig" 71source "drivers/iio/light/Kconfig" 72source "drivers/iio/magnetometer/Kconfig" 73source "drivers/iio/orientation/Kconfig" 74if IIO_TRIGGER 75 source "drivers/iio/trigger/Kconfig" 76endif #IIO_TRIGGER 77source "drivers/iio/pressure/Kconfig" 78source "drivers/iio/proximity/Kconfig" 79source "drivers/iio/temperature/Kconfig" 80 81endif # IIO 82