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Re: [PATCH v1 0/2] iio: Add parent_trigger attribute to triggers

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On 02/06/2017 03:21 PM, Benjamin Gaignard wrote:
> Thoses patches add parent_trigger attribute to IIO triggers.
> The goal is to allow triggers to use triggers like is this done for iio
> devices.
> With this patch it will be possible to chain triggers, for example
> stm32 triggers could be used as clock of an other triggers:
> echo "tim1_trgo" > trigger0/parent_trigger.

Can you explain how this is different to assigning the parent_trigger
directly to the device?

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[PATCH v1 0/2] iio: Add parent_trigger attribute to triggers Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-02-06 15:30 +0100
  Re: [PATCH v1 0/2] iio: Add parent_trigger attribute to triggers Lars-Peter Clausen <lars@metafoo.de> - 2017-02-06 15:30 +0100
    Re: [PATCH v1 0/2] iio: Add parent_trigger attribute to triggers Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-02-06 15:50 +0100
      Re: [PATCH v1 0/2] iio: Add parent_trigger attribute to triggers Jonathan Cameron <jic23@kernel.org> - 2017-02-11 11:30 +0100
  [PATCH v1 2/2] iio: stm32 trigger: Implement validate_trigger function Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-02-06 15:30 +0100
    Re: [PATCH v1 2/2] iio: stm32 trigger: Implement validate_trigger  function Jonathan Cameron <jic23@kernel.org> - 2017-02-11 12:20 +0100
  [PATCH v1 1/2] iio: Allow triggers to be used as parent of others triggers Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-02-06 15:30 +0100
    Re: [PATCH v1 1/2] iio: Allow triggers to be used as parent of others  triggers Jonathan Cameron <jic23@kernel.org> - 2017-02-11 12:00 +0100

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