summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg43
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
new file mode 100644
index 000000000000..cb830df8777c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
@@ -0,0 +1,43 @@
+Where: /sys/bus/usb/.../powered
+Date: August 2008
+Kernel Version: 2.6.26
+Contact: Harrison Metzger <harrisonmetz@gmail.com>
+Description: Controls whether the device's display will powered.
+ A value of 0 is off and a non-zero value is on.
+
+Where: /sys/bus/usb/.../mode_msb
+Where: /sys/bus/usb/.../mode_lsb
+Date: August 2008
+Kernel Version: 2.6.26
+Contact: Harrison Metzger <harrisonmetz@gmail.com>
+Description: Controls the devices display mode.
+ For a 6 character display the values are
+ MSB 0x06; LSB 0x3F, and
+ for an 8 character display the values are
+ MSB 0x08; LSB 0xFF.
+
+Where: /sys/bus/usb/.../textmode
+Date: August 2008
+Kernel Version: 2.6.26
+Contact: Harrison Metzger <harrisonmetz@gmail.com>
+Description: Controls the way the device interprets its text buffer.
+ raw: each character controls its segment manually
+ hex: each character is between 0-15
+ ascii: each character is between '0'-'9' and 'A'-'F'.
+
+Where: /sys/bus/usb/.../text
+Date: August 2008
+Kernel Version: 2.6.26
+Contact: Harrison Metzger <harrisonmetz@gmail.com>
+Description: The text (or data) for the device to display
+
+Where: /sys/bus/usb/.../decimals
+Date: August 2008
+Kernel Version: 2.6.26
+Contact: Harrison Metzger <harrisonmetz@gmail.com>
+Description: Controls the decimal places on the device.
+ To set the nth decimal place, give this field
+ the value of 10 ** n. Assume this field has
+ the value k and has 1 or more decimal places set,
+ to set the mth place (where m is not already set),
+ change this fields value to k + 10 ** m. \ No newline at end of file