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-rw-r--r--Documentation/ABI/testing/sysfs-class-stm10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-stm b/Documentation/ABI/testing/sysfs-class-stm
index c9aa4f3fc9a7..77ed3da0f68e 100644
--- a/Documentation/ABI/testing/sysfs-class-stm
+++ b/Documentation/ABI/testing/sysfs-class-stm
@@ -12,3 +12,13 @@ KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description:
Shows the number of channels per master on this STM device.
+
+What: /sys/class/stm/<stm>/hw_override
+Date: March 2016
+KernelVersion: 4.7
+Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+Description:
+ Reads as 0 if master numbers in the STP stream produced by
+ this stm device will match the master numbers assigned by
+ the software or 1 if the stm hardware overrides software
+ assigned masters.