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Currently, an Intel TH (pci) device will be always active, because the devices on the 'intel_th' bus don't implement runtime pm to track their usage. To address this, this patch adds runtime pm support to the 'intel_th' bus and some additional bits for the hub. The 'output' type device is in use while a capture is active; the 'source' type device (STH) relies on its child stm class device for runtime pm tracking. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> |
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| stm | ||