commit 511051d5 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 <firstname.lastname@example.org>
Fixes: a8319593 ("iio: srf08: add triggered buffer support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <email@example.com>