On Thu, Oct 22, 2015 at 06:48:50PM -0700, Ben Zhang wrote: > On Thu, Oct 22, 2015 at 9:17 AM, Mark Brown <broonie@xxxxxxxxxx> wrote: > > Hrm... we do already have multiple ways of dumping the DT... > Could you point me to some of the ways of dumping DT? Is there a The entire device tree is available via /proc/device-tree. > generic way of dumping device properties provided by ACPI _DSD? You can also dump the entire ACPI using acpudump from acpica-tools (it may be packaged under a different name in your distribution). > Sometimes devices may be flashed with different versions of coreboot > firmware which contain different _DSD values. When debugging, it's > helpful to know the exact platform data seen by a codec driver. Sure, but that's hardly driver specific so the firmwares provide infrastructure for this.
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