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By default autoenumeration is enabled on QCom SoundWire controller which means the core should not be dealing with device 0 w.r.t enumeration. During Enumeration if SoundWire core sees status[0] as SDW_SLAVE_ATTACHED and start programming the device id, however reading DEVID registers return zeros which does not match to any of the slaves in the list and the core attempts to park this device to Group 13. This results in adding SoundWire device with enumeration address 0:0:0:0 Fix this by not passing device 0 status to SoundWire core. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20220916135352.19114-1-srinivas.kandagatla@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
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.