| /Documentation/sound/hd-audio/ |
| D | controls.rst | 13 appears only when the surround channels are available.
23 When there are only either headphones or line-out jacks, it gives
24 "Disabled" and "Enabled" state. When enabled, the speaker is muted
25 automatically when a jack is plugged.
27 When both headphone and line-out jacks are present, it gives
28 "Disabled", "Speaker Only" and "Line-Out+Speaker". When
30 mutes the speakers, but not line-outs. When line-out+speaker is
40 appears only when "loopback" is set to true in a codec hint
42 and the normal PCM playback are exclusive, i.e. when this is on, you
47 corresponds to the center and the right to the LFE. When this is
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| /Documentation/devicetree/bindings/devfreq/ |
| D | rk3399_dmc.txt | 19 It should be a DCF interrupt. When DDR DVFS finishes
63 When DDR frequency is less than DRAM_DLL_DISB_FREQ,
68 MHz (Mega Hz). When DDR frequency is less than
72 - rockchip,ddr3_odt_dis_freq : When the DRAM type is DDR3, this parameter defines
74 when the DDR frequency is less then ddr3_odt_dis_freq,
78 - rockchip,ddr3_drv : When the DRAM type is DDR3, this parameter defines
82 - rockchip,ddr3_odt : When the DRAM type is DDR3, this parameter defines
86 - rockchip,phy_ddr3_ca_drv : When the DRAM type is DDR3, this parameter defines
91 - rockchip,phy_ddr3_dq_drv : When the DRAM type is DDR3, this parameter defines
95 - rockchip,phy_ddr3_odt : When the DRAM type is DDR3, this parameter defines
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| /Documentation/i2c/ |
| D | fault-codes.rst | 43 Returned by I2C adapters when they lose arbitration in master
47 Also returned when trying to invoke an I2C operation in an
48 atomic context, when some task is already using that I2C bus
52 Returned by SMBus logic when an invalid Packet Error Code byte
61 Returned by SMBus adapters when the bus was busy for longer
69 specific fault code when you can.
72 This rather vague error means something went wrong when
74 code when you can.
85 Returned by any component that can't allocate memory when
98 Returned by an adapter when asked to perform an operation
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| /Documentation/core-api/ |
| D | debug-objects.rst | 73 When the real object is already tracked by debugobjects it is checked,
75 active and destroyed objects. When debugobjects detects an error, then
82 When the real object is not yet tracked by debugobjects, debugobjects
96 When the real object is already tracked by debugobjects it is checked,
98 active and destroyed objects. When debugobjects detects an error, then
105 When the real object is not yet tracked by debugobjects debugobjects
120 When the real object is already tracked by debugobjects it is checked,
122 active and destroyed objects. When debugobjects detects an error, then
128 When the real object is not yet tracked by debugobjects then the
135 When the activation is legitimate, then the state of the associated
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| /Documentation/filesystems/ |
| D | hpfs.rst | 45 bitmaps when accessing it).
47 Behaviour when filesystem errors found.
49 When to mark filesystem dirty so that OS/2 checks it.
54 when you use chmod/chown/chgrp/mknod/ln -s on the filesystem.
64 are case sensitive, so for example when you create a file FOO, you can use
68 bootsect.s. When searching for file thats name has characters >= 128, codepages
87 they're just changed. It means that when your default uid=0 and you type
89 extended attribute UID=0. And when you umount the fs and mount it again with
92 read-only flag. When you mknod a block or char device, besides "MODE", the
108 stored in very crazy way. They tried to do it so that link changes when file is
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| /Documentation/devicetree/bindings/usb/ |
| D | snps,dwc3.yaml | 43 SoC Bus Clock (AHB/AXI/Native). ref generates ITP when the UTMI/ULPI
44 PHY is suspended. suspend clocks a small part of the USB3 core when
85 When set, disable isoc START TRANSFER command failure SW work-around
91 True when SW should disable data scrambling. Only really useful for FPGA
96 description: True when DWC3 was configured with LPM Erratum enabled
113 When set, the core will always request for P1/P2/P3 transition sequence.
118 When set core will delay P1/P2/P3 until a certain amount of 8B10B errors
123 description: When set core will delay PHY power change from P0 to P1/P2/P3.
127 description: When set core will filter LFPS reception.
132 when set core will disable a 400us delay to start Polling LFPS after
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| /Documentation/networking/ |
| D | ipvs-sysctl.rst | 20 used in the automatic modes of defense. When there is no
42 bit 1: enable rescheduling of new connections when it is safe.
43 That is, whenever expire_nodest_conn and for TCP sockets, when
47 bit 2: it is bit 1 plus, for TCP connections, when connections
67 Only available when IPVS is compiled with CONFIG_IP_VS_NFCT enabled.
74 directly when no cache server is available and destination
93 Only available when IPVS is compiled with CONFIG_IP_VS_DEBUG enabled.
113 modes (when there is no enough available memory, the strategy
128 when available memory is less than the available memory
129 threshold. When the mode 3 is set, the always mode drop rate
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| /Documentation/usb/ |
| D | functionfs.rst | 9 that kernel level composite functions provide when they are added to
15 From user space point of view it is a file system which when
22 them as needed also handling situation when numbers differ in
25 When descriptors and strings are written "ep#" files appear
29 "ep1" file may be really mapped to (say) endpoint 3 (and when
33 When all files are closed the function disables itself.
39 when mounting.
57 When "functions" module parameter is supplied, only functions
60 is similar to when there is no "functions" at all; however,
|
| /Documentation/scheduler/ |
| D | sched-stats.rst | 78 1) # of times in this domain load_balance() was called when the
81 the load did not require balancing when the cpu was idle
83 more tasks and failed, when the cpu was idle
85 load_balance() in this domain when the cpu was idle
86 5) # of times in this domain pull_task() was called when the cpu
89 the target task was cache-hot when idle
94 9) # of times in this domain load_balance() was called when the
97 load did not require balancing when busy
99 more tasks and failed, when the cpu was busy
101 load_balance() in this domain when the cpu was busy
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| /Documentation/leds/ |
| D | ledtrig-transient.rst | 16 set a timer to hold a state, however when user space application crashes or
24 When an led class device driver registers itself, it can specify all leds
29 When the driver unregisters, deactivation routine for the currently active
41 class device property. When brightness is set to 0 from user space via
56 non-transient state. When driver gets suspended, irrespective of the transient
68 This trigger exports three properties, activate, state, and duration. When
80 1 when activated, 0 when deactivated.
81 default value is zero when transient trigger is enabled,
90 - one shot timer value. When activate is set, duration value
101 If state = LED_FULL, when the timer runs out the state will
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| /Documentation/livepatch/ |
| D | system-state.rst | 69 The check is done when the livepatch is enabled. The rules are:
89 - Modify the system state when the livepatch gets enabled and the state
93 - Take over or update the system state modification when is has already
96 - Restore the original state when the livepatch is disabled.
98 - Restore the previous state when the transition is reverted.
102 - Remove any already made changes when error occurs and the livepatch
113 - Allocate *state->data* when necessary. The allocation might fail
115 of the livepatch. The allocation is not needed when the data
123 when the entire system is able to handle it.
130 - Copy *state->data* from the previous livepatch when they are
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| /Documentation/misc-devices/ |
| D | bh1770glc.rst | 37 interrupts the delayed work is pushed forward. So, when proximity level goes
41 Chip state is controlled via runtime pm framework when enabled in config.
65 sysfs_notify called when threshold interrupt occurs
102 sysfs_notify called when threshold interrupt occurs
119 RW - Measurement rate (in Hz) when the level is above threshold
120 i.e. when proximity on has been reported.
123 RW - Measurement rate (in Hz) when the level is below threshold
124 i.e. when proximity off has been reported.
|
| /Documentation/ABI/testing/ |
| D | sysfs-class-power-wilco | 19 Charging begins when level drops below
20 charge_control_start_threshold, and ceases when
26 be denied by Wilco EC when Long Life mode is enabled.
32 Used when charge_type="Custom", as described above. Measured in
39 Used when charge_type="Custom", as described above. Measured in
|
| D | sysfs-driver-w1_ds28e17 | 5 Description: When written, this file sets the I2C speed on the connected
6 DS28E17 chip. When read, it reads the current setting from
18 Description: When written, this file sets the multiplier used to calculate
20 chip. When read, returns the current setting.
|
| /Documentation/sound/designs/ |
| D | procfile.rst | 11 found in this tree. When you encounter a problem and need debugging,
36 Appears only when ``CONFIG_SND_DEBUG=y``.
66 When PCM devices are available on this card, you can see directories
75 When the card is equipped with AC97 codecs, there are ``codec97#*``
78 When the OSS mixer emulation is enabled (and the module is loaded),
93 This file appears when ``CONFIG_SND_DEBUG=y`` and
108 When the bit 0 is set, the driver will show the messages to
109 kernel log when an xrun is detected. The debug message is
110 shown also when the invalid H/W pointer is detected at the
114 When the bit 1 is set, the driver will show the stack trace
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| /Documentation/firmware-guide/acpi/ |
| D | method-tracing.rst | 26 ACPICA subsystem provides debugging outputs when CONFIG_ACPI_DEBUG is
33 But when the particular layer/level is applied to the control method
37 logs when the control method evaluation is started, and disable the
38 detailed logging when the control method evaluation is stopped.
43 a. Filter out the debug layer/level matched logs when control methods
51 b. Filter out the debug layer/level matched logs when the specified
60 c. Filter out the debug layer/level matched logs when the specified
109 a. Filter out the method start/stop "AML tracer" logs when control
117 b. Filter out the method start/stop "AML tracer" when the specified
126 c. Filter out the method start/stop "AML tracer" logs when the specified
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| /Documentation/userspace-api/media/v4l/ |
| D | func-poll.rst | 35 When streaming I/O has been negotiated this function waits until a
40 display. When buffers are already in the outgoing queue of the driver
49 ``POLLWRNORM`` flags. When the function timed out it returns a value of
51 appropriately. When the application did not call
54 field. When the application has called
66 When use of the :c:func:`read()` function has been negotiated and the
68 capturing. When that fails it returns a ``POLLERR`` as above. Otherwise
69 it waits until data has been captured and can be read. When the driver
73 When use of the :c:func:`write()` function has been negotiated and the
75 streaming. When that fails it returns a ``POLLERR`` as above. Otherwise
|
| D | buffer.rst | 44 as the buffer size when the selected format includes padding at the end of
58 ``V4L2_CTRL_FLAG_GRABBED`` flag when calling
69 selection rectangles. When those ioctls result in a buffer size or layout
74 when the stream is stopped. As they don't influence the buffer size, no
110 When reallocation is required, any attempt to modify format or controls that
171 - Number of the buffer, set by the application except when calling
189 this field when ``type`` refers to a capture stream, applications
190 when it refers to an output stream. If the application sets this
201 :c:type:`v4l2_field`. This field is not used when the buffer
202 contains VBI data. Drivers must set it when ``type`` refers to a
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| /Documentation/kbuild/ |
| D | kbuild.rst | 18 by modprobe to not fail when trying to load something builtin.
31 Additional options to pass when preprocessing. The preprocessing options
53 Additional options for $(CC) when used to compile
62 Additional options used for $(LD) when linking modules.
66 Additional flags to be passed to $(HOSTCC) when building host programs.
70 Additional flags to be passed to $(HOSTCXX) when building host programs.
74 Additional flags to be passed when linking host programs.
78 Additional libraries to link against when building host programs.
84 Additional options used for $(CC) when compiling userprogs.
88 Additional options used for $(LD) when linking userprogs. userprogs are linked
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| /Documentation/devicetree/bindings/dma/ |
| D | ste-dma40.txt | 40 3. The DMA request line number (only when 'use fixed channel' is set)
44 Logical channel when unset
45 Physical channel when set
47 Memory to Device when unset
48 Device to Memory when set
50 Little endian when unset
51 Big endian when set
53 Use automatic channel selection when unset
54 Use DMA request line number when set
56 Normal priority when unset
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| /Documentation/admin-guide/device-mapper/ |
| D | writecache.rst | 9 When the device is constructed, the first sector should be zeroed or the
28 start writeback when the number of used blocks reach this
31 stop writeback when the number of used blocks drops below
38 when the application writes this amount of blocks without
47 when writing data from persistent memory back to the
51 flag when writing back data and send the FLUSH request
69 when you are going to remove the cache device. The proper
|
| /Documentation/arm64/ |
| D | tagged-pointers.rst | 32 - the stack pointer (sp), e.g. when interpreting it to deliver a
35 - the frame pointer (x29) and frame records, e.g. when interpreting
38 Using non-zero address tags in any of these locations when the
43 For these reasons, when the AArch64 Tagged Address ABI is disabled,
56 When delivering signals, non-zero tags are not preserved in
58 sigaction.sa_flags when the signal handler was installed. This means
79 This behaviour is maintained when the AArch64 Tagged Address ABI is
86 Special care should be taken when using tagged pointers, since it is
|
| /Documentation/ABI/obsolete/ |
| D | sysfs-driver-hid-roccat-kovaplus | 5 When read, this attribute returns the number of the active
15 When read, this attribute returns the number of the active
17 When written, the mouse activates this profile immediately.
18 The profile that's active when powered down is the same that's
19 active when the mouse is powered on.
26 When read, this attribute returns the number of the actual
36 When read, this attribute returns the number of the actual
45 Description: When read, this file returns the raw integer version number of the
57 Description: When read, this file returns general data like firmware version.
58 When written, the device can be reset.
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| D | sysfs-driver-hid-roccat-arvo | 5 When read, this attribute returns the number of the actual
7 When written this attribute activates the selected profile
16 When written, this file lets one set the sequence for a specific
25 Description: When read, this file returns some info about the device like the
39 When read, this file returns the current state of the buttons.
40 When written, the given buttons are activated/deactivated
51 When read, this file returns the actual state of the key.
52 When written, the key is activated/deactivated immediately.
|
| /Documentation/driver-api/driver-model/ |
| D | binding.rst | 16 type in the system. When device_register is called for a device, it is
18 list of all drivers of that bus type. When driver_register is called
26 When a new device is added, the bus's list of drivers is iterated over
56 When a driver is attached to a device, the device is inserted into the
82 The process is almost identical for when a new driver is added.
91 When a device is removed, the reference count for it will eventually
92 go to 0. When it does, the remove callback of the driver is called. It
96 When a driver is removed, the list of devices that it supports is
|