tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1What: /sys/bus/usb/.../powered
2Date: August 2008
3KernelVersion: 2.6.26
4Contact: Harrison Metzger <harrisonmetz@gmail.com>
5Description: Controls whether the device's display will powered.
6 A value of 0 is off and a non-zero value is on.
7
8What: /sys/bus/usb/.../mode_msb
9What: /sys/bus/usb/.../mode_lsb
10Date: August 2008
11KernelVersion: 2.6.26
12Contact: Harrison Metzger <harrisonmetz@gmail.com>
13Description: Controls the devices display mode.
14 For a 6 character display the values are
15
16 MSB 0x06; LSB 0x3F, and
17
18 for an 8 character display the values are
19
20 MSB 0x08; LSB 0xFF.
21
22What: /sys/bus/usb/.../textmode
23Date: August 2008
24KernelVersion: 2.6.26
25Contact: Harrison Metzger <harrisonmetz@gmail.com>
26Description: Controls the way the device interprets its text buffer.
27 raw: each character controls its segment manually
28 hex: each character is between 0-15
29 ascii: each character is between '0'-'9' and 'A'-'F'.
30
31What: /sys/bus/usb/.../text
32Date: August 2008
33KernelVersion: 2.6.26
34Contact: Harrison Metzger <harrisonmetz@gmail.com>
35Description: The text (or data) for the device to display
36
37What: /sys/bus/usb/.../decimals
38Date: August 2008
39KernelVersion: 2.6.26
40Contact: Harrison Metzger <harrisonmetz@gmail.com>
41Description: Controls the decimal places on the device.
42 To set the nth decimal place, give this field
43 the value of ``10 ** n``. Assume this field has
44 the value k and has 1 or more decimal places set,
45 to set the mth place (where m is not already set),
46 change this fields value to ``k + 10 ** m``.