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e286472cff
When the manager device is pm_runtime resumed, we see a series of spurious wakes and attempts to resume the same device: soundwire_intel.link.0: intel_resume_runtime: start soundwire_intel.link.0: intel_link_power_up: powering up all links soundwire_intel.link.0: intel_link_power_up: first link up, programming SYNCPRD soundwire_intel.link.0: intel_shim_wake: WAKEEN disabled for link 0 soundwire_intel.link.0: intel_link_process_wakeen_event: pm_request_resume start soundwire_intel.link.0: intel_link_process_wakeen_event: pm_request_resume done soundwire_intel.link.0: intel_shim_wake: WAKEEN disabled for link 0 soundwire_intel.link.0: intel_link_process_wakeen_event: pm_request_resume start soundwire_intel.link.0: intel_link_process_wakeen_event: pm_request_resume done This sequence does not break anything but is totally unnecessary. Currently the wakes are only disabled after the peripheral generates a wake, e.g. for jack detection. If the resume is initiated by the host drivers as a result of userspace actions (play/record typically), we need to disable wake detection as well. Doing so prevents the spurious wakes and calls to pm_request_resume(). Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20220420023241.14335-3-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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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.