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authorMark Brown <broonie@kernel.org>2022-06-18 01:46:19 +0100
committerMark Brown <broonie@kernel.org>2022-06-18 01:46:19 +0100
commit87a36978b27a32484423b9b0765c57939e162237 (patch)
tree5bd0b96a3d29cd06e11ab65cc1a541ffd0fda775 /include/sound/sb.h
parent6c9e9046e1ff356bda66661213735d33c6cfea53 (diff)
parent011e397f5c9c96e533d4a244af84e74c9caefb83 (diff)
ASoC: SOF/soundwire: use resume_and_get on component probe
Merge series from Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>: While testing driver bind/unbind sequences, I stumbled on a corner case where the SoundWire bus can be suspended before the ASoC card registration happens. During the registration, register accesses would then lead to timeouts. This does not happen in regular usages where the card registration happens within the 3-second time window before suspend. Adding a simple pm_runtime_resume_and_get() on component probe solves the issue, but experiments showed it was too invasive to add at the ASoC core level, with multiple regressions reported by our CI. This patchset limits the additional resume to the SOF and SoundWire codec drivers. An additional patch for the soundwire/intel component will be sent separately.
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