1What:		/sys/devices/.../lpss_ltr/
2Date:		March 2013
3Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
4Description:
5		The /sys/devices/.../lpss_ltr/ directory is only present for
6		devices included into the Intel Lynxpoint Low Power Subsystem
7		(LPSS).  If present, it contains attributes containing the LTR
8		mode and the values of LTR registers of the device.
9
10What:		/sys/devices/.../lpss_ltr/ltr_mode
11Date:		March 2013
12Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
13Description:
14		The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an
15		integer number (0 or 1) indicating whether or not the devices'
16		LTR functionality is working in the software mode (1).
17
18		This attribute is read-only.  If the device's runtime PM status
19		is not "active", attempts to read from this attribute cause
20		-EAGAIN to be returned.
21
22What:		/sys/devices/.../lpss_ltr/auto_ltr
23Date:		March 2013
24Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
25Description:
26		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
27		current value of the device's AUTO_LTR register (raw)
28		represented as an 8-digit hexadecimal number.
29
30		This attribute is read-only.  If the device's runtime PM status
31		is not "active", attempts to read from this attribute cause
32		-EAGAIN to be returned.
33
34What:		/sys/devices/.../lpss_ltr/sw_ltr
35Date:		March 2013
36Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
37Description:
38		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
39		current value of the device's SW_LTR register (raw) represented
40		as an 8-digit hexadecimal number.
41
42		This attribute is read-only.  If the device's runtime PM status
43		is not "active", attempts to read from this attribute cause
44		-EAGAIN to be returned.
45