blob: 7fa9cbc75344dd7567a4bdaba659a70e86eb02fd [file] [log] [blame]
Lv Zheng89ca78a2013-06-20 08:02:44 +08001What: /sys/bus/acpi/devices/.../path
2Date: December 2006
3Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
4Description:
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).
11
12What: /sys/bus/acpi/devices/.../modalias
13Date: July 2007
14Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
15Description:
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).
19
20What: /sys/bus/acpi/devices/.../hid
21Date: April 2005
22Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
23Description:
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.
28
29What: /sys/bus/acpi/devices/.../description
30Date: October 2012
31Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
32Description:
33 This attribute contains the output of the device object's
34 _STR control method, if present.
35
36What: /sys/bus/acpi/devices/.../adr
37Date: October 2012
38Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
39Description:
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.
44
45What: /sys/bus/acpi/devices/.../uid
46Date: October 2012
47Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
48Description:
49 This attribute contains the output of the device object's
50 _UID control method, if present.
51
52What: /sys/bus/acpi/devices/.../eject
53Date: December 2006
54Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
55Description:
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.