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Cover the following tasks: - Add scan_mask and scan_index to the IIO channel configuration. The scan_index sets up buffer usage. According to the datasheet, the ADXL313 uses a 13-bit wide data field in full-resolution mode. Set the signedness, number of storage bits, and endianness accordingly. - Parse the devicetree for an optional interrupt line and configure the interrupt mapping based on its presence. If no interrupt line is specified, keep the FIFO in bypass mode as currently implemented. - Set up the interrupt handler. Add register access to detect and evaluate interrupts. Implement functions to clear status registers and reset the FIFO. - Implement FIFO watermark configuration and handling. Allow the watermark level to be set, evaluate the corresponding interrupt, read the FIFO contents, and push the data to the IIO channel. Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://patch.msgid.link/20250702230819.19353-4-l.rubusch@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.