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-rw-r--r--Documentation/ABI/testing/sysfs-platform-dptf4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-dptf b/Documentation/ABI/testing/sysfs-platform-dptf
index 53c6b1000320..620fd20434a5 100644
--- a/Documentation/ABI/testing/sysfs-platform-dptf
+++ b/Documentation/ABI/testing/sysfs-platform-dptf
@@ -133,7 +133,10 @@ Contact: linux-acpi@vger.kernel.org
Description:
(RO) Presents SSC (spread spectrum clock) information for EMI
(Electro magnetic interference) control. This is a bit mask.
+
+ ======= ==========================================
Bits Description
+ ======= ==========================================
[7:0] Sets clock spectrum spread percentage:
0x00=0.2% , 0x3F=10%
1 LSB = 0.1% increase in spread (for
@@ -151,3 +154,4 @@ Description:
[10] 0: No white noise. 1: Add white noise
to spread waveform
[11] When 1, future writes are ignored.
+ ======= ==========================================