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/Linux-v5.15/Documentation/userspace-api/media/dvb/
Dfrontend-stat-properties.rst64 measurement was not complete yet.
70 measurement for power (actually, 0 to 65535).
83 measurement was not complete yet.
88 measurement for Signal/Noise (actually, 0 to 65535).
103 In order to get the BER (Bit Error Rate) measurement, it should be
107 This measurement is monotonically increased, as the frontend gets more
114 measurement was not complete yet.
128 measurement was taken.
130 It should be noted that this measurement can be smaller than the total
132 manually restart the measurement, losing some data between each
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/Linux-v5.15/net/mac80211/
Dspectmgmt.c214 skb_put(skb, 1 + sizeof(msr_report->u.action.u.measurement)); in ieee80211_send_refuse_measurement_request()
216 msr_report->u.action.u.measurement.action_code = in ieee80211_send_refuse_measurement_request()
218 msr_report->u.action.u.measurement.dialog_token = dialog_token; in ieee80211_send_refuse_measurement_request()
220 msr_report->u.action.u.measurement.element_id = WLAN_EID_MEASURE_REPORT; in ieee80211_send_refuse_measurement_request()
221 msr_report->u.action.u.measurement.length = in ieee80211_send_refuse_measurement_request()
224 memset(&msr_report->u.action.u.measurement.msr_elem, 0, in ieee80211_send_refuse_measurement_request()
226 msr_report->u.action.u.measurement.msr_elem.token = request_ie->token; in ieee80211_send_refuse_measurement_request()
227 msr_report->u.action.u.measurement.msr_elem.mode |= in ieee80211_send_refuse_measurement_request()
229 msr_report->u.action.u.measurement.msr_elem.type = request_ie->type; in ieee80211_send_refuse_measurement_request()
246 &mgmt->u.action.u.measurement.msr_elem, in ieee80211_process_measurement_req()
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/Linux-v5.15/Documentation/hwmon/
Dadm9240.rst52 microprocessor-based systems, providing measurement and limit comparison
59 measurement.
68 The measurement cycle
70 The adm9240 driver will take a measurement reading no faster than once
72 measurement update rate and will receive cached data from the most
73 recent measurement.
75 ADM9240 has a very fast 320us temperature and voltage measurement cycle
76 with independent fan speed measurement cycles counting alternating rising
79 DS1780 measurement cycle is about once per second including fan speed.
81 LM81 measurement cycle is about once per 400ms including fan speed.
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Dsht3x.rst33 1. blocking (pull the I2C clock line down while performing the measurement) or
47 2000 0.5 Hz periodic measurement
48 1000 1 Hz periodic measurement
49 500 2 Hz periodic measurement
50 250 4 Hz periodic measurement
51 100 10 Hz periodic measurement
54 In the periodic measure mode, the sensor automatically triggers a measurement
86 for periodic measurement. If the interval is not supported
Dda9052.rst26 Channel 0 VDDOUT - measurement of the system voltage
27 Channel 1 ICH - internal battery charger current measurement
29 Channel 3 VBAT - measurement of the battery voltage
36 Channel 9 VBBAT - measurement of the backup battery voltage
Dmax34440.rst90 voltage measurement is enabled for a given channel. Voltage measurement is
91 enabled if currX_crit is set to 0; current measurement is enabled if the
92 attribute is set to a positive value. Power measurement is only enabled if
93 channel 1 (3) is configured for voltage measurement, and channel 2 (4) is
94 configured for current measurement.
Dsht15.rst51 measurement and decrease power consumption, while losing on precision.
81 measurement may be invalid.
Dina3221.rst33 curr[123]_input Current(mA) measurement channels
46 curr4_input Sum of current(mA) measurement channels,
/Linux-v5.15/Documentation/misc-devices/
Dapds990x.rst20 functionality are highly connected. ALS measurement path must be running
23 ALS produces raw measurement values for two channels: Clear channel
35 selects suitable gain step. After each measurement, reliability of the results
36 is estimated and new measurement is triggered if necessary.
72 RW - measurement rate in Hz
75 RO - supported measurement rates
Dbh1770glc.rst46 so that measurement produces about the expected lux value.
71 RW - measurement rate in Hz
74 RO - supported measurement rates
127 RO - Supported proximity measurement rates in Hz
/Linux-v5.15/Documentation/devicetree/bindings/power/supply/
Dstericsson,ab8500-battery.txt12 measurement, 'btemp' signal is used when NTC(negative temperature
21 for thermal measurement.
25 for thermal measurement.
/Linux-v5.15/security/integrity/ima/
DKconfig33 bool "Enable carrying the IMA measurement list across a soft boot"
38 a TPM's quote after a soft boot, the IMA measurement list of the
41 Depending on the IMA policy, the measurement list can grow to
52 measurement list. If unsure, use the default 10.
66 Select the default IMA measurement template.
68 The original 'ima' measurement list template contains a
70 limited to 255 characters. The 'ima-ng' measurement list
94 Select the default hash algorithm used for the measurement
155 This option enables local measurement integrity appraisal.
157 attribute containing the file hash measurement. To protect
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/Linux-v5.15/Documentation/admin-guide/device-mapper/
Ddm-ima.rst52 Then IMA ASCII measurement log has the following format:
83 | The Kernel configuration CONFIG_IMA_DISABLE_HTABLE allows measurement of duplicate records.
103 The IMA measurement log has the following format for 'dm_table_load':
156 Then IMA ASCII measurement log will have the following entry:
173 The IMA measurement log has the following format for 'dm_device_resume':
197 then IMA ASCII measurement log will have an entry with:
211 The IMA measurement log has the following format for 'dm_device_remove':
235 then IMA ASCII measurement log will have the following entry:
252 The IMA measurement log has the following format for 'dm_table_clear':
269 then IMA ASCII measurement log will have an entry with:
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/Linux-v5.15/Documentation/devicetree/bindings/sound/
Dcs43130.txt29 Boolean, define to enable headphone DC impedance measurement.
32 Boolean, define to enable headphone AC impedance measurement.
33 DC impedance must also be enabled for AC impedance measurement.
Dda7219.txt51 - dlg,mic-det-thr : Impedance threshold for mic detection measurement (Ohms)
67 - dlg,btn-avg : Number of 8-bit readings for averaged button measurement
69 - dlg,adc-1bit-rpt : Repeat count for 1-bit button measurement
Dnau8824.txt35 - nuvoton,sar-hysteresis: Button impedance measurement hysteresis.
37 - nuvoton,sar-voltage: Reference voltage for button impedance measurement.
/Linux-v5.15/Documentation/userspace-api/media/v4l/
Ddev-touch.rst30 A touch input may be determined by comparing the raw capacitance measurement to
31 a no-touch reference (or "baseline") measurement:
35 The reference measurement takes account of variations in the capacitance across
/Linux-v5.15/Documentation/virt/kvm/
Damd-memory-encryption.rst124 calculates a measurement of the memory contents. The measurement is a signature
144 The KVM_SEV_LAUNCH_MEASURE command is used to retrieve the measurement of the
147 measurement. Since the guest owner knows the initial contents of the guest at
148 boot, the measurement can be verified by comparing it to what the guest owner
151 If len is zero on entry, the measurement blob length is written to len and
161 __u64 uaddr; /* where to copy the measurement */
162 __u32 len; /* length of measurement blob */
165 For more details on the measurement verification flow, see SEV spec Section 6.4.
250 data after the measurement has been validated by the guest owner.
277 If len is zero on entry, the measurement blob length is written to len and
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-bus-iio-scd306 Contaminants build-up in the measurement chamber or optical
22 Contaminants build-up in the measurement chamber or optical
Dsysfs-bus-iio-sx93106 Proximity measurement indicating that some object is
/Linux-v5.15/Documentation/security/tpm/
Dtpm_event_log.rst26 are accompanied by a measurement log. While not trusted on their own,
27 the measurement log contains a richer set of information than do the PCR
29 measurement log."
/Linux-v5.15/Documentation/security/
DIMA-templates.rst26 which information should be included in the measurement list; a template
32 measurement entries. Defining a new template descriptor requires
41 mechanism) to generate a new measurement entry by using the template
48 (pointer to allocated data and data length) in the measurement entry structure.
100 To specify the template descriptor to be used to generate measurement entries,
/Linux-v5.15/Documentation/driver-api/iio/
Dintro.rst13 or temperature measurement. :doc:`Input <../input>` is, as its name suggests,
24 * inertial measurement units (IMUs)
/Linux-v5.15/drivers/greybus/
Dinterface.c462 u32 measurement; in voltage_now_show() local
466 &measurement); in voltage_now_show()
472 return sprintf(buf, "%u\n", measurement); in voltage_now_show()
481 u32 measurement; in current_now_show() local
485 &measurement); in current_now_show()
491 return sprintf(buf, "%u\n", measurement); in current_now_show()
500 u32 measurement; in power_now_show() local
504 &measurement); in power_now_show()
510 return sprintf(buf, "%u\n", measurement); in power_now_show()
/Linux-v5.15/tools/perf/Documentation/
Dtopdown.txt155 cause too much measurement inaccuracy. For example instrumenting
209 # compute scaled metrics for measurement a
221 Later the individual ratios of L1 metric events for the measurement period can
236 The individual ratios of L2 metric events for the measurement period can be
240 # compute scaled metrics for measurement a
299 This "opens" a new measurement period.

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