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    Subject[PATCH 4.14 22/54] iio: srf08: fix link error "devm_iio_triggered_buffer_setup" undefined
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Andreas Klinger <ak@it-klinger.de>

    commit 511051d509ec54642dd6d30fdf2caa33c23619cc upstream.

    Functions for triggered buffer support are needed by this module.
    If they are not defined accidentally by another driver, there's an error
    thrown out while linking.

    Add a select of IIO_BUFFER and IIO_TRIGGERED_BUFFER in the Kconfig file.

    Signed-off-by: Andreas Klinger <ak@it-klinger.de>
    Fixes: a83195937151 ("iio: srf08: add triggered buffer support")
    Cc: <Stable@vger.kernel.org>
    Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/iio/proximity/Kconfig | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/iio/proximity/Kconfig
    +++ b/drivers/iio/proximity/Kconfig
    @@ -58,6 +58,8 @@ config SX9500

    config SRF08
    tristate "Devantech SRF02/SRF08/SRF10 ultrasonic ranger sensor"
    + select IIO_BUFFER
    + select IIO_TRIGGERED_BUFFER
    depends on I2C
    help
    Say Y here to build a driver for Devantech SRF02/SRF08/SRF10

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