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b59c8e7a73
bits 16:17 in SD_CTL register refer to stripe control. Added an offset register(AZX_REG_SD_CTL_3B) to have exclusive read/write of corresponding register byte. This helps to avoid unnecessary 32-bit read/write of SD_CTL whenever only stripe or other bits of corresponding byte need to be updated. Also HD audio spec defines SD_CTL as 3 byte register. SD_CTL_STRIPE_MASK(0x3) can be used for stripe control programming and when updating AZX_REG_SD_CTL_3B. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Reviewed-by: Mohan Kumar D <mkumard@nvidia.com> Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> 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.