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Diffstat (limited to '')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg | 46 |
1 files changed, 46 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 0000000000..2f86e4223b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg @@ -0,0 +1,46 @@ +What: /sys/bus/usb/.../powered +Date: August 2008 +KernelVersion: 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. + +What: /sys/bus/usb/.../mode_msb +What: /sys/bus/usb/.../mode_lsb +Date: August 2008 +KernelVersion: 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. + +What: /sys/bus/usb/.../textmode +Date: August 2008 +KernelVersion: 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'. + +What: /sys/bus/usb/.../text +Date: August 2008 +KernelVersion: 2.6.26 +Contact: Harrison Metzger <harrisonmetz@gmail.com> +Description: The text (or data) for the device to display + +What: /sys/bus/usb/.../decimals +Date: August 2008 +KernelVersion: 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``. |