162306a36Sopenharmony_ciWhat:		/sys/devices/.../lpss_ltr/
262306a36Sopenharmony_ciDate:		March 2013
362306a36Sopenharmony_ciContact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
462306a36Sopenharmony_ciDescription:
562306a36Sopenharmony_ci		The /sys/devices/.../lpss_ltr/ directory is only present for
662306a36Sopenharmony_ci		devices included into the Intel Lynxpoint Low Power Subsystem
762306a36Sopenharmony_ci		(LPSS).  If present, it contains attributes containing the LTR
862306a36Sopenharmony_ci		mode and the values of LTR registers of the device.
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ciWhat:		/sys/devices/.../lpss_ltr/ltr_mode
1162306a36Sopenharmony_ciDate:		March 2013
1262306a36Sopenharmony_ciContact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1362306a36Sopenharmony_ciDescription:
1462306a36Sopenharmony_ci		The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an
1562306a36Sopenharmony_ci		integer number (0 or 1) indicating whether or not the devices'
1662306a36Sopenharmony_ci		LTR functionality is working in the software mode (1).
1762306a36Sopenharmony_ci
1862306a36Sopenharmony_ci		This attribute is read-only.  If the device's runtime PM status
1962306a36Sopenharmony_ci		is not "active", attempts to read from this attribute cause
2062306a36Sopenharmony_ci		-EAGAIN to be returned.
2162306a36Sopenharmony_ci
2262306a36Sopenharmony_ciWhat:		/sys/devices/.../lpss_ltr/auto_ltr
2362306a36Sopenharmony_ciDate:		March 2013
2462306a36Sopenharmony_ciContact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2562306a36Sopenharmony_ciDescription:
2662306a36Sopenharmony_ci		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
2762306a36Sopenharmony_ci		current value of the device's AUTO_LTR register (raw)
2862306a36Sopenharmony_ci		represented as an 8-digit hexadecimal number.
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci		This attribute is read-only.  If the device's runtime PM status
3162306a36Sopenharmony_ci		is not "active", attempts to read from this attribute cause
3262306a36Sopenharmony_ci		-EAGAIN to be returned.
3362306a36Sopenharmony_ci
3462306a36Sopenharmony_ciWhat:		/sys/devices/.../lpss_ltr/sw_ltr
3562306a36Sopenharmony_ciDate:		March 2013
3662306a36Sopenharmony_ciContact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
3762306a36Sopenharmony_ciDescription:
3862306a36Sopenharmony_ci		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
3962306a36Sopenharmony_ci		current value of the device's SW_LTR register (raw) represented
4062306a36Sopenharmony_ci		as an 8-digit hexadecimal number.
4162306a36Sopenharmony_ci
4262306a36Sopenharmony_ci		This attribute is read-only.  If the device's runtime PM status
4362306a36Sopenharmony_ci		is not "active", attempts to read from this attribute cause
4462306a36Sopenharmony_ci		-EAGAIN to be returned.
45