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);