iio_dma_buffer_request_update  358 drivers/iio/buffer/industrialio-buffer-dma.c EXPORT_SYMBOL_GPL(iio_dma_buffer_request_update);
iio_dma_buffer_request_update  113 drivers/iio/buffer/industrialio-buffer-dmaengine.c 	.request_update = iio_dma_buffer_request_update,
iio_dma_buffer_request_update  144 include/linux/iio/buffer-dma.h int iio_dma_buffer_request_update(struct iio_buffer *buffer);