About Kernel Documentation Linux Kernel Contact Linux Resources Linux Blog

Documentation / ABI / testing / sysfs-bus-usb-devices-usbsevseg




Custom Search

Based on kernel version 3.15.4. Page generated on 2014-07-07 08:59 EST.

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

Information is copyright its respective author. All material is available from the Linux Kernel Source distributed under a GPL License. This page is provided as a free service by mjmwired.net.