• Greg Kroah-Hartman's avatar
    Merge tag 'iio-for-4.9b' of... · 552edf8d
    Greg Kroah-Hartman authored
    Merge tag 'iio-for-4.9b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
    
    Jonathan writes:
    
    Second set of iio new device support, features and cleanups for the 4.9 cycle.
    
    New device support
    * ad8801 dac
      - new driver supporting ad8801 and ad8803 DACs.
    * adc12138
      - new driver supporting TI adc12130/adc12132 and adc12138 ADCs.
    * ltc2485 adc
      - new driver
    * mxc6255
      - add support for the mxc6225 part name and fixup the ID check so it works.
    * vz89x VOC sensor
      - add support for the vz89te part which drops the voc_short channel and adds
        CRCs compared to other supported parts.
    
    New features
    * core
      - immutable triggers.  These effectively grant exclusive control over a
        trigger. The typical usecase is a device representing an analog part
        (perhaps a MUX) that needs to control the sampling of a downstream
        ADC.
      - resource managed trigger registration and triggered_buffer_init.
      - iio_push_event now protected against case of the event interface
        registration not having yet occured.  Only matters if an interrupt
        can occur during this window - might happen on shared interrupt lines.
      - helper to let a driver query if the trigger it is using is provided by
        itself (using the convention of both device and trigger having the same
        parent).
    * tools
      - iio-utils. Used channel modifier scaling in preference to generic scaling
        when both exist.
    * at91-adc
      - Add support for touchscreen switches closure time needed by some newer
        parts.
    * stx104
      - support the ADC channels on this ADC/DAC board. As these are the primary
        feature of the board also move the driver to the iio/adc directory.
    * sx9500
      - device tree bindings.
    
    Cleanups / Fixes
    * ad5755
      - fix an off-by-one on devnr limit check (introduced earlier this cycle)
    * ad7266
      - drop NULL check on devm_regulator_get_optional as it can't return NULL.
    * ak8974
      - avoid an unused functional warning due to rework in PM core code.
      - remove .owner field setting as done by i2c_core.
    * ina2xx
      - clear out a left over debug field from chip global data.
    * hid-sensors
      - avoid an unused functional warning due to rework in PM core code.
    * maxim-thermocouple
      - fix non static symbol warnings.
    * ms5611
      - fetch and enable regulators unconditionally when they aren't optional.
    * sca3000
      - whitespace cleanup.
    * st_sensors
      - fetch and enable regulators unconditionally rather than having them
        supported as optional regulators (missunderstanding on my part amongst
        others a while back)
      - followup to previous patch fixes error checking on the regulators.
      - mark symbols static where possible.
      - use the 'is it my trigger' help function.  This prevents the odd case
        of another device triggering from the st-sensors trigger whilst the
        st-sensors trigger is itself not using it but rather using say an hrtimer.
    * ti-ads1015
      - add missing of_node_put.
    * vz89x
      - rework to all support of new devices.
      - prevent reading of a corrupted buffer.
      - fixup a return value of 0/1 in a bool returning function.
    
    Address updates
    - Vlad Dogaru email address change.
    552edf8d
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