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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 65875073eddd24d7b3968c1501ef29277398dc7b / . / Documentation / ABI / testing / sysfs-bus-usb-devices-usbsevseg
blob: 2f86e4223bfc8d25cc9552fe3865e3ccc964803b [file] [log] [blame]
Mauro Carvalho Chehabed66bcd2019-06-13 23:04:07 -0300[diff] [blame]1What: /sys/bus/usb/.../powered
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]2Date: August 2008
Mauro Carvalho Chehab129fb4c2019-06-14 14:52:16 -0300[diff] [blame]3KernelVersion: 2.6.26
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]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
Mauro Carvalho Chehabed66bcd2019-06-13 23:04:07 -0300[diff] [blame]8What: /sys/bus/usb/.../mode_msb
9What: /sys/bus/usb/.../mode_lsb
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]10Date: August 2008
Mauro Carvalho Chehab129fb4c2019-06-14 14:52:16 -0300[diff] [blame]11KernelVersion: 2.6.26
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]12Contact: Harrison Metzger <harrisonmetz@gmail.com>
13Description: Controls the devices display mode.
14 For a 6 character display the values are
Mauro Carvalho Chehab34433332020-10-30 08:40:39 +0100[diff] [blame]15
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]16 MSB 0x06; LSB 0x3F, and
Mauro Carvalho Chehab34433332020-10-30 08:40:39 +0100[diff] [blame]17
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]18 for an 8 character display the values are
Mauro Carvalho Chehab34433332020-10-30 08:40:39 +0100[diff] [blame]19
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]20 MSB 0x08; LSB 0xFF.
21
Mauro Carvalho Chehabed66bcd2019-06-13 23:04:07 -0300[diff] [blame]22What: /sys/bus/usb/.../textmode
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]23Date: August 2008
Mauro Carvalho Chehab129fb4c2019-06-14 14:52:16 -0300[diff] [blame]24KernelVersion: 2.6.26
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]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
Mauro Carvalho Chehabed66bcd2019-06-13 23:04:07 -0300[diff] [blame]31What: /sys/bus/usb/.../text
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]32Date: August 2008
Mauro Carvalho Chehab129fb4c2019-06-14 14:52:16 -0300[diff] [blame]33KernelVersion: 2.6.26
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]34Contact: Harrison Metzger <harrisonmetz@gmail.com>
35Description: The text (or data) for the device to display
36
Mauro Carvalho Chehabed66bcd2019-06-13 23:04:07 -0300[diff] [blame]37What: /sys/bus/usb/.../decimals
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]38Date: August 2008
Mauro Carvalho Chehab129fb4c2019-06-14 14:52:16 -0300[diff] [blame]39KernelVersion: 2.6.26
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]40Contact: Harrison Metzger <harrisonmetz@gmail.com>
41Description: Controls the decimal places on the device.
42 To set the nth decimal place, give this field
Mauro Carvalho Chehab34433332020-10-30 08:40:39 +0100[diff] [blame]43 the value of ``10 ** n``. Assume this field has
Harrison Metzgereb86be52008-08-14 11:29:32 -0500[diff] [blame]44 the value k and has 1 or more decimal places set,
45 to set the mth place (where m is not already set),
Mauro Carvalho Chehab34433332020-10-30 08:40:39 +0100[diff] [blame]46 change this fields value to ``k + 10 ** m``.