rene_mobile’s avatarrene_mobile’s Twitter Archive—№ 204

    1. I have finally gotten around to looking at the #GalaxyS5 fingerprint sensor: it is a validity VFS61xx connected via SPI. More later.
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  1. …in reply to @rene_mobile
    Linux kernel module for the #GalaxyS5 fingerprint found e.g. at github.com/omega-roms/omega_kernel_N9005/tree/master/drivers/fingerprint, still checking samsung kernel sources
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    1. …in reply to @rene_mobile
      Ok, so this seems to be a thin wrapper for talking to the ASIC with binary messages handled by the proprietary vcsFPService. Great.
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      1. …in reply to @rene_mobile
        Judging from "cat /sys/kernel/debug/dynamic_debug/control | grep vfs", ENABLE_SENSORS_FPRINT_SECURE seems to be enabled for the kernel mod
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        1. …in reply to @rene_mobile
          Next steps will take a lot longer, as it will probably involve a kernel recompile... Not sure when I will find time for that.
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