It is incorrect to request the input pin format of the destination widget using the output pin index of the source module as the indexes are not necessarily matching. moduleA.out_pin1 can be connected to moduleB.in_pin0 for example. Use the dst_queue_id to request the input format of the destination module. This bug remained unnoticed likely because in nocodec topologies we don't have process modules after a module copier, thus the pin/queue index is ignored. For the process module case, the code was likely have been tested in a controlled way where all the pin/queue/format properties were present to work. Update the debug prints to have better information. Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Cc: stable@vger.kernel.org # v6.8+ Link: https://patch.msgid.link/20240624121519.91703-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@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 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.
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