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942ccdd834
On loongson controller, after calling snd_hdac_stream_updateb() to enable DMA engine, the SDnCTL.STRM will become to zero. We need to access SDnCTL in dword to keep SDnCTL.STRM is not changed. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn> Acked-by: Huacai Chen <chenhuacai@loongson.cn> Link: https://lore.kernel.org/r/27aeddf5ebbe7c69631cec0e489c1b264be94990.1686128807.git.siyanteng@loongson.cn Signed-off-by: Takashi Iwai <tiwai@suse.de>
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 Restructured Text 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.