For ASoC Intel SST Atom based devices a sysfs entry is created in order to track FW version. The FW version is useful in order to check the different Version of LPE DSP FW across Intel SoCs.
Signed-off-by: Sebastien Guiriec sebastien.guiriec@intel.com --- Documentation/ABI/testing/sysfs-platform-sst-atom | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-sst-atom
diff --git a/Documentation/ABI/testing/sysfs-platform-sst-atom b/Documentation/ABI/testing/sysfs-platform-sst-atom new file mode 100644 index 0000000..abb131e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-sst-atom @@ -0,0 +1,18 @@ +What: /sys/devices/platform/8086%x:00/firmware_version +Date: November 2016 +KernelVersion: 4.10 +Contact: "Sebastien Guiriec" sebastien.guiriec@intel.com +Description: + LPE Firmware version for SST driver on all atom + plaforms (BYT/CHT/Merrifield/BSW). + If the FW has never been loaded it will display: + "FW not yet loaded" + If FW has been loaded it will display: + "v01.aa.bb.cc" + aa: Major version is reflecting SoC version: + 0d: BYT FW + 0b: BSW FW + 07: Merrifield FW + bb: Minor version + cc: Build version +