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Send time since boot to the firmware upon resume #41
Description
This issue complements thesofproject/sof#130
to send the time offset to the firmware from the kernel
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This issue complements thesofproject/sof#130
to send the time offset to the firmware from the kernel
Activity
bardliao commentedon Sep 11, 2018
@ranj063 Which board and branch did you test? I am working on UP2 board and SOF firmware will get error after suspend/resume. Also, the /sys/kernel/debug/sof/trace file will be empty after suspend/resume. It implies that rmbox -t will show nothing.
gro_cell: add napi_disable in gro_cells_destroy
gro_cell: add napi_disable in gro_cells_destroy
bardliao commentedon Mar 1, 2019
Close it as we are using sof-logger now
plbossart commentedon Mar 1, 2019
bardliao commentedon Mar 4, 2019
@plbossart If I recall it correctly, the issue is for rmbox. The main issue is that the log will be clean after runtime suspend. But it seems no one complain about that on sof-logger. It can be reopen if we still need this feature.
plbossart commentedon Mar 4, 2019
@bardliao the requirement is the same regardless of the tool.
@ranj063 do we send the time on a resume?
ranj063 commentedon Mar 4, 2019
@plbossart @bardliao yes, this issue remains irrespective of the tool and yes we do need the feature so we can align the time stamps between the kernel and the fw
plbossart commentedon Mar 24, 2019
@bardliao are you working on this or do we need to ask @mengdonglin to assign someone else. This is a simple problem that should be fixed.
bardliao commentedon Mar 25, 2019
@plbossart Yes, I can do it.
bardliao commentedon Mar 25, 2019
@plbossart @ranj063 I guess we can send jiffies to align the time stamps. But how do we handle the clock difference between kernel and firmware? e.g. 1000 on kernel and 19.2M on FW.
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