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-rw-r--r--Documentation/usb/misc_usbsevseg.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/usb/misc_usbsevseg.txt b/Documentation/usb/misc_usbsevseg.txt
index 0f6be4f9930b..6274aee083ed 100644
--- a/Documentation/usb/misc_usbsevseg.txt
+++ b/Documentation/usb/misc_usbsevseg.txt
@@ -1,4 +1,7 @@
+=============================
USB 7-Segment Numeric Display
+=============================
+
Manufactured by Delcom Engineering
Device Information
@@ -13,9 +16,13 @@ Device Modes
------------
By default, the driver assumes the display is only 6 characters
The mode for 6 characters is:
+
MSB 0x06; LSB 0x3f
+
For the 8 character display:
+
MSB 0x08; LSB 0xff
+
The device can accept "text" either in raw, hex, or ascii textmode.
raw controls each segment manually,
hex expects a value between 0-15 per character,
@@ -42,5 +49,3 @@ Device Operation
To set multiple decimals points sum up each power.
For example, to set the 0th and 3rd decimal place
echo 1001 > /sys/bus/usb/.../decimals
-
-