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Adeeb Shihadeh
11 lines
485 B
Python
11 lines
485 B
Python
#!/usr/bin/python3
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import signal
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# The on-chip Wi-Fi firmware runs in the SDM845 modem subsystem.
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# Opening this device boots it and holds a reference; the kernel shuts it
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# down when the last reference is released. Keep it open for this service's
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# lifetime so Wi-Fi stays available.
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# https://github.com/commaai/agnos-kernel-sdm845/blob/8b0e4d289b246a5cc1b0484b25a3f9f8d4772544/drivers/soc/qcom/subsystem_restart.c#L1215-L1251
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with open("/dev/subsys_modem", "rb"):
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signal.pause()
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