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Commit 7a26019f authored by David S. Miller's avatar David S. Miller
Browse files
parents 725da8de 4e5448a3
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@@ -534,6 +534,7 @@ N: NeilBrown
E: neil@brown.name
P: 4096R/566281B9 1BC6 29EB D390 D870 7B5F  497A 39EC 9EDD 5662 81B9
D: NFSD Maintainer 2000-2007
D: MD Maintainer 2001-2016

N: Zach Brown
E: zab@zabbo.net
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What:		/config/iio
Date:		October 2015
KernelVersion:	4.4
Contact:	linux-iio@vger.kernel.org
Description:
		This represents Industrial IO configuration entry point
		directory. It contains sub-groups corresponding to IIO
		objects.

What:		/config/iio/triggers
Date:		October 2015
KernelVersion:	4.4
Description:
		Industrial IO software triggers directory.

What:		/config/iio/triggers/hrtimers
Date:		October 2015
KernelVersion:	4.4
Description:
		High resolution timers directory. Creating a directory here
		will result in creating a hrtimer trigger in the IIO subsystem.
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@@ -10,3 +10,5 @@ Description:
		isoc_mult	- 0..2 (hs/ss only)
		isoc_maxburst	- 0..15 (ss only)
		buflen		- buffer length
		bulk_qlen	- depth of queue for bulk
		iso_qlen	- depth of queue for iso
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What:		/sys/bus/iio/devices/iio:deviceX/in_allow_async_readout
Date:		December 2015
KernelVersion:	4.4
Contact:	linux-iio@vger.kernel.org
Description:
		By default (value '0'), the capture thread checks for the Conversion
		Ready Flag to being set prior to committing a new value to the sample
		buffer. This synchronizes the in-chip conversion rate with the
		in-driver readout rate at the cost of an additional register read.

		Writing '1' will remove the polling for the Conversion Ready Flags to
		save the additional i2c transaction, which will improve the bandwidth
		available for reading data. However, samples can be occasionally skipped
		or repeated, depending on the beat between the capture and conversion
		rates.

What:		/sys/bus/iio/devices/iio:deviceX/in_shunt_resistor
Date:		December 2015
KernelVersion:	4.4
Contact:	linux-iio@vger.kernel.org
Description:
		The value of the shunt resistor may be known only at runtime fom an
		eeprom content read by a client application. This attribute allows to
		set its value in ohms.
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@@ -134,19 +134,21 @@ Description:
		enabled for the device. Developer can write y/Y/1 or n/N/0 to
		the file to enable/disable the feature.

What:		/sys/bus/usb/devices/.../power/usb3_hardware_lpm
Date:		June 2015
What:		/sys/bus/usb/devices/.../power/usb3_hardware_lpm_u1
		/sys/bus/usb/devices/.../power/usb3_hardware_lpm_u2
Date:		November 2015
Contact:	Kevin Strasser <kevin.strasser@linux.intel.com>
		Lu Baolu <baolu.lu@linux.intel.com>
Description:
		If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
		in to a xHCI host which supports link PM, it will check if U1
		and U2 exit latencies have been set in the BOS descriptor; if
		the check is is passed and the host supports USB3 hardware LPM,
		the check is passed and the host supports USB3 hardware LPM,
		USB3 hardware LPM will be enabled for the device and the USB
		device directory will contain a file named
		power/usb3_hardware_lpm. The file holds a string value (enable
		or disable) indicating whether or not USB3 hardware LPM is
		enabled for the device.
		device directory will contain two files named
		power/usb3_hardware_lpm_u1 and power/usb3_hardware_lpm_u2. These
		files hold a string value (enable or disable) indicating whether
		or not USB3 hardware LPM U1 or U2 is enabled for the device.

What:		/sys/bus/usb/devices/.../removable
Date:		February 2012
@@ -187,6 +189,17 @@ Description:
		The file will read "hotplug", "wired" and "not used" if the
		information is available, and "unknown" otherwise.

What:		/sys/bus/usb/devices/.../(hub interface)/portX/usb3_lpm_permit
Date:		November 2015
Contact:	Lu Baolu <baolu.lu@linux.intel.com>
Description:
		Some USB3.0 devices are not friendly to USB3 LPM.  usb3_lpm_permit
		attribute allows enabling/disabling usb3 lpm of a port. It takes
		effect both before and after a usb device is enumerated. Supported
		values are "0" if both u1 and u2 are NOT permitted, "u1" if only u1
		is permitted, "u2" if only u2 is permitted, "u1_u2" if both u1 and
		u2 are permitted.

What:		/sys/bus/usb/devices/.../power/usb2_lpm_l1_timeout
Date:		May 2013
Contact:	Mathias Nyman <mathias.nyman@linux.intel.com>
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