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r: 275705
b: refs/heads/master
c: fb14ca4
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  275703: fd9f470
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John W. Linville committed Nov 11, 2011
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: fada10584d3890258e59da73728510ad7e08a033
refs/heads/master: fb14ca438c0a54306419ee648d9d146c5e7be679
22 changes: 22 additions & 0 deletions trunk/Documentation/ABI/stable/sysfs-acpi-pmprofile
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What: /sys/firmware/acpi/pm_profile
Date: 03-Nov-2011
KernelVersion: v3.2
Contact: linux-acpi@vger.kernel.org
Description: The ACPI pm_profile sysfs interface exports the platform
power management (and performance) requirement expectations
as provided by BIOS. The integer value is directly passed as
retrieved from the FADT ACPI table.
Values: For possible values see ACPI specification:
5.2.9 Fixed ACPI Description Table (FADT)
Field: Preferred_PM_Profile

Currently these values are defined by spec:
0 Unspecified
1 Desktop
2 Mobile
3 Workstation
4 Enterprise Server
5 SOHO Server
6 Appliance PC
7 Performance Server
>7 Reserved
19 changes: 19 additions & 0 deletions trunk/Documentation/ABI/testing/debugfs-ideapad
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What: /sys/kernel/debug/ideapad/cfg
Date: Sep 2011
KernelVersion: 3.2
Contact: Ike Panhc <ike.pan@canonical.com>
Description:

cfg shows the return value of _CFG method in VPC2004 device. It tells machine
capability and what graphic component within the machine.


What: /sys/kernel/debug/ideapad/status
Date: Sep 2011
KernelVersion: 3.2
Contact: Ike Panhc <ike.pan@canonical.com>
Description:

status shows infos we can read and tells its meaning and value.


13 changes: 13 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-block
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Expand Up @@ -206,3 +206,16 @@ Description:
when a discarded area is read the discard_zeroes_data
parameter will be set to one. Otherwise it will be 0 and
the result of reading a discarded area is undefined.
What: /sys/block/<disk>/alias
Date: Aug 2011
Contact: Nao Nishijima <nao.nishijima.xt@hitachi.com>
Description:
A raw device name of a disk does not always point a same disk
each boot-up time. Therefore, users have to use persistent
device names, which udev creates when the kernel finds a disk,
instead of raw device name. However, kernel doesn't show those
persistent names on its messages (e.g. dmesg).
This file can store an alias of the disk and it would be
appeared in kernel messages if it is set. A disk can have an
alias which length is up to 255bytes. Users can use alphabets,
numbers, "-" and "_" in alias name. This file is writeonce.
7 changes: 7 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
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Expand Up @@ -71,3 +71,10 @@ Description: Value of 1 indicates the controller can honor the reset_devices
a dump device, as kdump requires resetting the device in order
to work reliably.

Where: /sys/bus/pci/devices/<dev>/ccissX/transport_mode
Date: July 2011
Kernel Version: 3.0
Contact: iss_storagedev@hp.com
Description: Value of "simple" indicates that the controller has been placed
in "simple mode". Value of "performant" indicates that the
controller has been placed in "performant mode".
72 changes: 72 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-driver-wacom
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What: /sys/class/hidraw/hidraw*/device/speed
Date: April 2010
Kernel Version: 2.6.35
Contact: linux-bluetooth@vger.kernel.org
Description:
The /sys/class/hidraw/hidraw*/device/speed file controls
reporting speed of Wacom bluetooth tablet. Reading from
this file returns 1 if tablet reports in high speed mode
or 0 otherwise. Writing to this file one of these values
switches reporting speed.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/led
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
Attribute group for control of the status LEDs and the OLEDs.
This attribute group is only available for Intuos 4 M, L,
and XL (with LEDs and OLEDs) and Cintiq 21UX2 (LEDs only).
Therefore its presence implicitly signifies the presence of
said LEDs and OLEDs on the tablet device.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status0_luminance
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
Writing to this file sets the status LED luminance (1..127)
when the stylus does not touch the tablet surface, and no
button is pressed on the stylus. This luminance level is
normally lower than the level when a button is pressed.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status1_luminance
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
Writing to this file sets the status LED luminance (1..127)
when the stylus touches the tablet surface, or any button is
pressed on the stylus.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led0_select
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
Writing to this file sets which one of the four (for Intuos 4)
or of the right four (for Cintiq 21UX2) status LEDs is active (0..3).
The other three LEDs on the same side are always inactive.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led1_select
Date: September 2011
Contact: linux-input@vger.kernel.org
Description:
Writing to this file sets which one of the left four (for Cintiq 21UX2)
status LEDs is active (0..3). The other three LEDs on the left are always
inactive.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/buttons_luminance
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
Writing to this file sets the overall luminance level (0..15)
of all eight button OLED displays.

What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/button<n>_rawimg
Date: August 2011
Contact: linux-input@vger.kernel.org
Description:
When writing a 1024 byte raw image in Wacom Intuos 4
interleaving format to the file, the image shows up on Button N
of the device. The image is a 64x32 pixel 4-bit gray image. The
1024 byte binary is split up into 16x 64 byte chunks. Each 64
byte chunk encodes the image data for two consecutive lines on
the display. The low nibble of each byte contains the first
line, and the high nibble contains the second line.
15 changes: 0 additions & 15 deletions trunk/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
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Expand Up @@ -5,19 +5,4 @@ Contact: "Ike Panhc <ike.pan@canonical.com>"
Description:
Control the power of camera module. 1 means on, 0 means off.

What: /sys/devices/platform/ideapad/cfg
Date: Jun 2011
KernelVersion: 3.1
Contact: "Ike Panhc <ike.pan@canonical.com>"
Description:
Ideapad capability bits.
Bit 8-10: 1 - Intel graphic only
2 - ATI graphic only
3 - Nvidia graphic only
4 - Intel and ATI graphic
5 - Intel and Nvidia graphic
Bit 16: Bluetooth exist (1 for exist)
Bit 17: 3G exist (1 for exist)
Bit 18: Wifi exist (1 for exist)
Bit 19: Camera exist (1 for exist)

10 changes: 0 additions & 10 deletions trunk/Documentation/ABI/testing/sysfs-wacom
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This file was deleted.

4 changes: 2 additions & 2 deletions trunk/Documentation/CodingStyle
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Expand Up @@ -166,8 +166,8 @@ if (condition)
else
do_that();

This does not apply if one branch of a conditional statement is a single
statement. Use braces in both branches.
This does not apply if only one branch of a conditional statement is a single
statement; in the latter case use braces in both branches:

if (condition) {
do_this();
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7 changes: 7 additions & 0 deletions trunk/Documentation/DMA-API.txt
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Expand Up @@ -50,6 +50,13 @@ specify the GFP_ flags (see kmalloc) for the allocation (the
implementation may choose to ignore flags that affect the location of
the returned memory, like GFP_DMA).

void *
dma_zalloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)

Wraps dma_alloc_coherent() and also zeroes the returned memory if the
allocation attempt succeeded.

void
dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_handle)
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24 changes: 10 additions & 14 deletions trunk/Documentation/DocBook/media/dvb/dvbproperty.xml
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Expand Up @@ -352,6 +352,7 @@ typedef enum fe_delivery_system {
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
SYS_TURBO,
} fe_delivery_system_t;
</programlisting>
</section>
Expand Down Expand Up @@ -809,6 +810,8 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem>
</itemizedlist>
<para>Future implementations might add those two missing parameters:</para>
<itemizedlist mark='opencircle'>
Expand All @@ -818,25 +821,18 @@ typedef enum fe_hierarchy {
</section>
<section id="dvbs2-params">
<title>DVB-S2 delivery system</title>
<para>The following parameters are valid for DVB-S2:</para>
<para>In addition to all parameters valid for DVB-S, DVB-S2 supports the following parameters:</para>
<itemizedlist mark='opencircle'>
<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem>
</itemizedlist>
<para>Future implementations might add those two missing parameters:</para>
</section>
<section id="turbo-params">
<title>Turbo code delivery system</title>
<para>In addition to all parameters valid for DVB-S, turbo code supports the following parameters:</para>
<itemizedlist mark='opencircle'>
<listitem><para><link linkend="DTV-DISEQC-MASTER"><constant>DTV_DISEQC_MASTER</constant></link></para></listitem>
<listitem><para><link linkend="DTV-DISEQC-SLAVE-REPLY"><constant>DTV_DISEQC_SLAVE_REPLY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="isdbs-params">
Expand Down
2 changes: 1 addition & 1 deletion trunk/Documentation/DocBook/media/dvb/intro.xml
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Expand Up @@ -205,7 +205,7 @@ a partial path like:</para>
additional include file <emphasis
role="tt">linux/dvb/version.h</emphasis> exists, which defines the
constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document
describes <emphasis role="tt">DVB_API_VERSION&#x00A0;3</emphasis>.
describes <emphasis role="tt">DVB_API_VERSION 5.4</emphasis>.
</para>

</section>
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11 changes: 11 additions & 0 deletions trunk/Documentation/DocBook/media/v4l/compat.xml
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Expand Up @@ -2370,6 +2370,14 @@ that used it. It was originally scheduled for removal in 2.6.35.
</listitem>
</orderedlist>
</section>
<section>
<title>V4L2 in Linux 3.2</title>
<orderedlist>
<listitem>
<para>V4L2_CTRL_FLAG_VOLATILE was added to signal volatile controls to userspace.</para>
</listitem>
</orderedlist>
</section>

<section id="other">
<title>Relation of V4L2 to other Linux multimedia APIs</title>
Expand Down Expand Up @@ -2478,6 +2486,9 @@ ioctls.</para>
<listitem>
<para>Flash API. <xref linkend="flash-controls" /></para>
</listitem>
<listitem>
<para>&VIDIOC-CREATE-BUFS; and &VIDIOC-PREPARE-BUF; ioctls.</para>
</listitem>
</itemizedlist>
</section>

Expand Down
5 changes: 3 additions & 2 deletions trunk/Documentation/DocBook/media/v4l/controls.xml
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Expand Up @@ -232,8 +232,9 @@ control is deprecated. New drivers and applications should use the
<entry>Enables a power line frequency filter to avoid
flicker. Possible values for <constant>enum v4l2_power_line_frequency</constant> are:
<constant>V4L2_CID_POWER_LINE_FREQUENCY_DISABLED</constant> (0),
<constant>V4L2_CID_POWER_LINE_FREQUENCY_50HZ</constant> (1) and
<constant>V4L2_CID_POWER_LINE_FREQUENCY_60HZ</constant> (2).</entry>
<constant>V4L2_CID_POWER_LINE_FREQUENCY_50HZ</constant> (1),
<constant>V4L2_CID_POWER_LINE_FREQUENCY_60HZ</constant> (2) and
<constant>V4L2_CID_POWER_LINE_FREQUENCY_AUTO</constant> (3).</entry>
</row>
<row>
<entry><constant>V4L2_CID_HUE_AUTO</constant></entry>
Expand Down
2 changes: 1 addition & 1 deletion trunk/Documentation/DocBook/media/v4l/dev-subdev.xml
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Expand Up @@ -266,7 +266,7 @@

<para>When satisfied with the try results, applications can set the active
formats by setting the <structfield>which</structfield> argument to
<constant>V4L2_SUBDEV_FORMAT_TRY</constant>. Active formats are changed
<constant>V4L2_SUBDEV_FORMAT_ACTIVE</constant>. Active formats are changed
exactly as try formats by drivers. To avoid modifying the hardware state
during format negotiation, applications should negotiate try formats first
and then modify the active settings using the try formats returned during
Expand Down
27 changes: 27 additions & 0 deletions trunk/Documentation/DocBook/media/v4l/io.xml
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Expand Up @@ -927,6 +927,33 @@ ioctl is called.</entry>
Applications set or clear this flag before calling the
<constant>VIDIOC_QBUF</constant> ioctl.</entry>
</row>
<row>
<entry><constant>V4L2_BUF_FLAG_PREPARED</constant></entry>
<entry>0x0400</entry>
<entry>The buffer has been prepared for I/O and can be queued by the
application. Drivers set or clear this flag when the
<link linkend="vidioc-querybuf">VIDIOC_QUERYBUF</link>, <link
linkend="vidioc-qbuf">VIDIOC_PREPARE_BUF</link>, <link
linkend="vidioc-qbuf">VIDIOC_QBUF</link> or <link
linkend="vidioc-qbuf">VIDIOC_DQBUF</link> ioctl is called.</entry>
</row>
<row>
<entry><constant>V4L2_BUF_FLAG_NO_CACHE_INVALIDATE</constant></entry>
<entry>0x0400</entry>
<entry>Caches do not have to be invalidated for this buffer.
Typically applications shall use this flag if the data captured in the buffer
is not going to be touched by the CPU, instead the buffer will, probably, be
passed on to a DMA-capable hardware unit for further processing or output.
</entry>
</row>
<row>
<entry><constant>V4L2_BUF_FLAG_NO_CACHE_CLEAN</constant></entry>
<entry>0x0800</entry>
<entry>Caches do not have to be cleaned for this buffer.
Typically applications shall use this flag for output buffers if the data
in this buffer has not been created by the CPU but by some DMA-capable unit,
in which case caches have not been used.</entry>
</row>
</tbody>
</tgroup>
</table>
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11 changes: 10 additions & 1 deletion trunk/Documentation/DocBook/media/v4l/v4l2.xml
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Expand Up @@ -127,6 +127,13 @@ structs, ioctls) must be noted in more detail in the history chapter
(compat.xml), along with the possible impact on existing drivers and
applications. -->

<revision>
<revnumber>3.2</revnumber>
<date>2011-08-26</date>
<authorinitials>hv</authorinitials>
<revremark>Added V4L2_CTRL_FLAG_VOLATILE.</revremark>
</revision>

<revision>
<revnumber>3.1</revnumber>
<date>2011-06-27</date>
Expand Down Expand Up @@ -410,7 +417,7 @@ and discussions on the V4L mailing list.</revremark>
</partinfo>

<title>Video for Linux Two API Specification</title>
<subtitle>Revision 3.1</subtitle>
<subtitle>Revision 3.2</subtitle>

<chapter id="common">
&sub-common;
Expand Down Expand Up @@ -462,6 +469,7 @@ and discussions on the V4L mailing list.</revremark>
&sub-close;
&sub-ioctl;
<!-- All ioctls go here. -->
&sub-create-bufs;
&sub-cropcap;
&sub-dbg-g-chip-ident;
&sub-dbg-g-register;
Expand Down Expand Up @@ -504,6 +512,7 @@ and discussions on the V4L mailing list.</revremark>
&sub-queryctrl;
&sub-query-dv-preset;
&sub-querystd;
&sub-prepare-buf;
&sub-reqbufs;
&sub-s-hw-freq-seek;
&sub-streamon;
Expand Down
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