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Commit f6994ce4 authored by Takashi Iwai's avatar Takashi Iwai
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Merge branch 'fix/hda' into topic/hda

parents ec7e7e42 c6b35874
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@@ -20,6 +20,7 @@ Andreas Herrmann <aherrman@de.ibm.com>
Andrew Morton <akpm@osdl.org>
Andrew Vasquez <andrew.vasquez@qlogic.com>
Andy Adamson <andros@citi.umich.edu>
Archit Taneja <archit@ti.com>
Arnaud Patard <arnaud.patard@rtp-net.org>
Arnd Bergmann <arnd@arndb.de>
Axel Dyks <xl@xlsigned.net>
@@ -70,6 +71,7 @@ Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Mark Brown <broonie@sirena.org.uk>
Matthieu CASTET <castet.matthieu@free.fr>
Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <mb@bu3sch.de>
Michael Buesch <mbuesch@freenet.de>
Michel Dänzer <michel@tungstengraphics.com>
@@ -78,6 +80,7 @@ Morten Welinder <terra@gnome.org>
Morten Welinder <welinder@anemone.rentec.com>
Morten Welinder <welinder@darter.rentec.com>
Morten Welinder <welinder@troll.com>
Mythri P K <mythripk@ti.com>
Nguyen Anh Quynh <aquynh@gmail.com>
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Patrick Mochel <mochel@digitalimplant.org>
@@ -98,6 +101,7 @@ S.Çağlar Onur <caglar@pardus.org.tr>
Simon Kelley <simon@thekelleys.org.uk>
Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
Stephen Hemminger <shemminger@osdl.org>
Sumit Semwal <sumit.semwal@ti.com>
Tejun Heo <htejun@gmail.com>
Thomas Graf <tgraf@suug.ch>
Tony Luck <tony.luck@intel.com>
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@@ -328,8 +328,6 @@ sysrq.txt
	- info on the magic SysRq key.
telephony/
	- directory with info on telephony (e.g. voice over IP) support.
time_interpolators.txt
	- info on time interpolators.
uml/
	- directory with information about User Mode Linux.
unicode.txt
@@ -346,8 +344,6 @@ vm/
	- directory with info on the Linux vm code.
volatile-considered-harmful.txt
	- Why the "volatile" type class should not be used
voyager.txt
	- guide to running Linux on the Voyager architecture.
w1/
	- directory with documents regarding the 1-wire (w1) subsystem.
watchdog/
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@@ -34,3 +34,23 @@ Contact: Richard Purdie <rpurdie@rpsys.net>
Description:
		Maximum brightness for <backlight>.
Users:		HAL

What:		/sys/class/backlight/<backlight>/type
Date:		September 2010
KernelVersion:	2.6.37
Contact:	Matthew Garrett <mjg@redhat.com>
Description:
		The type of interface controlled by <backlight>.
		"firmware": The driver uses a standard firmware interface
		"platform": The driver uses a platform-specific interface
		"raw": The driver controls hardware registers directly

		In the general case, when multiple backlight
		interfaces are available for a single device, firmware
		control should be preferred to platform control should
		be preferred to raw control. Using a firmware
		interface reduces the probability of confusion with
		the hardware and the OS independently updating the
		backlight state. Platform interfaces are mostly a
		holdover from pre-standardisation of firmware
		interfaces.
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What:		/sys/firmware/efi/vars
Date:		April 2004
Contact:	Matt Domsch <Matt_Domsch@dell.com>
Description:
		This directory exposes interfaces for interactive with
		EFI variables.  For more information on EFI variables,
		see 'Variable Services' in the UEFI specification
		(section 7.2 in specification version 2.3 Errata D).

		In summary, EFI variables are named, and are classified
		into separate namespaces through the use of a vendor
		GUID.  They also have an arbitrary binary value
		associated with them.

		The efivars module enumerates these variables and
		creates a separate directory for each one found.  Each
		directory has a name of the form "<key>-<vendor guid>"
		and contains the following files:

		attributes:	A read-only text file enumerating the
				EFI variable flags.  Potential values
				include:

				EFI_VARIABLE_NON_VOLATILE
				EFI_VARIABLE_BOOTSERVICE_ACCESS
				EFI_VARIABLE_RUNTIME_ACCESS
				EFI_VARIABLE_HARDWARE_ERROR_RECORD
				EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS

				See the EFI documentation for an
				explanation of each of these variables.

		data:		A read-only binary file that can be read
				to attain the value of the EFI variable

		guid:		The vendor GUID of the variable.  This
				should always match the GUID in the
				variable's name.

		raw_var:	A binary file that can be read to obtain
				a structure that contains everything
				there is to know about the variable.
				For structure definition see "struct
				efi_variable" in the kernel sources.

				This file can also be written to in
				order to update the value of a variable.
				For this to work however, all fields of
				the "struct efi_variable" passed must
				match byte for byte with the structure
				read out of the file, save for the value
				portion.

				**Note** the efi_variable structure
				read/written with this file contains a
				'long' type that may change widths
				depending on your underlying
				architecture.

		size:		As ASCII representation of the size of
				the variable's value.


		In addition, two other magic binary files are provided
		in the top-level directory and are used for adding and
		removing variables:

		new_var:	Takes a "struct efi_variable" and
				instructs the EFI firmware to create a
				new variable.

		del_var:	Takes a "struct efi_variable" and
				instructs the EFI firmware to remove any
				variable that has a matching vendor GUID
				and variable key name.
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What:		/config/pcie-gadget
Date:		Feb 2011
KernelVersion:	2.6.37
Contact:	Pratyush Anand <pratyush.anand@st.com>
Description:

	Interface is used to configure selected dual mode PCIe controller
	as device and then program its various registers to configure it
	as a particular device type.
	This interfaces can be used to show spear's PCIe device capability.

	Nodes are only visible when configfs is mounted. To mount configfs
	in /config directory use:
	# mount -t configfs none /config/

	For nth PCIe Device Controller
	/config/pcie-gadget.n/
		link ... used to enable ltssm and read its status.
		int_type ...used to configure and read type of supported
			interrupt
		no_of_msi ... used to configure number of MSI vector needed and
			to read no of MSI granted.
		inta ... write 1 to assert INTA and 0 to de-assert.
		send_msi ... write MSI vector to be sent.
		vendor_id ... used to write and read vendor id (hex)
		device_id ... used to write and read device id (hex)
		bar0_size ... used to write and read bar0_size
		bar0_address ... used to write and read bar0 mapped area in hex.
		bar0_rw_offset ... used to write and read offset of bar0 where
			bar0_data will be written or read.
		bar0_data ... used to write and read data at bar0_rw_offset.
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