perf record: Document --group option
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-bus-acpi
blob7fa9cbc75344dd7567a4bdaba659a70e86eb02fd
1 What:           /sys/bus/acpi/devices/.../path
2 Date:           December 2006
3 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
4 Description:
5                 This attribute indicates the full path of ACPI namespace
6                 object associated with the device object.  For example,
7                 \_SB_.PCI0.
8                 This file is not present for device objects representing
9                 fixed ACPI hardware features (like power and sleep
10                 buttons).
12 What:           /sys/bus/acpi/devices/.../modalias
13 Date:           July 2007
14 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
15 Description:
16                 This attribute indicates the PNP IDs of the device object.
17                 That is acpi:HHHHHHHH:[CCCCCCC:].  Where each HHHHHHHH or
18                 CCCCCCCC contains device object's PNPID (_HID or _CID).
20 What:           /sys/bus/acpi/devices/.../hid
21 Date:           April 2005
22 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
23 Description:
24                 This attribute indicates the hardware ID (_HID) of the
25                 device object.  For example, PNP0103.
26                 This file is present for device objects having the _HID
27                 control method.
29 What:           /sys/bus/acpi/devices/.../description
30 Date:           October 2012
31 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
32 Description:
33                 This attribute contains the output of the device object's
34                 _STR control method, if present.
36 What:           /sys/bus/acpi/devices/.../adr
37 Date:           October 2012
38 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
39 Description:
40                 This attribute contains the output of the device object's
41                 _ADR control method, which is present for ACPI device
42                 objects representing devices having standard enumeration
43                 algorithms, such as PCI.
45 What:           /sys/bus/acpi/devices/.../uid
46 Date:           October 2012
47 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
48 Description:
49                 This attribute contains the output of the device object's
50                 _UID control method, if present.
52 What:           /sys/bus/acpi/devices/.../eject
53 Date:           December 2006
54 Contact:        Rafael J. Wysocki <rjw@rjwysocki.net>
55 Description:
56                 Writing 1 to this attribute will trigger hot removal of
57                 this device object.  This file exists for every device
58                 object that has _EJ0 method.