/linux/Documentation/devicetree/bindings/input/ |
H A D | microchip,qt1050.txt | 1 Microchip AT42QT1050 Five-channel Touch Sensor IC 11 - compatible: Must be "microchip,qt1050" 12 - reg: The I2C address of the device 13 - interrupts: The sink for the touchpad's IRQ output, 14 see ../interrupt-controller/interrupts.txt 17 - wakeup-source: touch keys can be used as a wakeup source 19 Each button (key) is represented as a sub-node: 25 - linux,code: Keycode to emit. 26 - reg: The key number. Valid values: 0, 1, 2, 3, 4. 28 Optional subnode-properties: [all …]
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/linux/Documentation/devicetree/bindings/staging/iio/adc/ |
H A D | spear-adc.txt | 4 - compatible: Should be "st,spear600-adc" 5 - reg: Address and length of the register set for the device 6 - interrupts: Should contain the ADC interrupt 7 - sampling-frequency: Default sampling frequency 10 - vref-external: External voltage reference in milli-volts. If omitted 12 - average-samples: Number of samples to generate an average value. If 18 compatible = "st,spear600-adc"; 20 interrupt-parent = <&vic1>; 22 sampling-frequency = <5000000>; 23 vref-external = <2500>; /* 2.5V VRef */
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/linux/Documentation/devicetree/bindings/input/touchscreen/ |
H A D | fsl,imx6ul-tsc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/input/touchscreen/fsl,imx6ul-tsc.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Haibo Chen <haibo.chen@nxp.com> 11 - Shawn Guo <shawnguo@kernel.org> 12 - Sascha Hauer <s.hauer@pengutronix.de> 16 const: fsl,imx6ul-tsc 20 - description: touch controller address 21 - description: ADC2 address [all …]
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H A D | touchscreen.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Dmitry Torokhov <dmitry.torokhov@gmail.com> 20 touchscreen-min-x: 25 touchscreen-min-y: 30 touchscreen-size-x: 34 touchscreen-size-y: 38 touchscreen-max-pressure: 42 touchscreen-min-pressure: [all …]
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/linux/Documentation/hwmon/ |
H A D | fam15h_power.rst | 16 - BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors 17 - BIOS and Kernel Developer's Guide (BKDG) For AMD Family 16h Processors 18 - AMD64 Architecture Programmer's Manual Volume 2: System Programming 23 ----------- 55 On multi-node processors the calculated value is for the entire 57 attributes only for internal node0 of a multi-node processor. 62 calculate the average power consumed by a processor during a 91 CPU average power 102 iii. At time x, SW reads CpuSwPwrAcc MSR and samples the PTSC. 106 iv. At time y, SW reads CpuSwPwrAcc MSR and samples the PTSC. [all …]
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H A D | sysfs-interface.rst | 5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is 6 completely chip-independent. It assumes that all the kernel drivers 10 This is a major improvement compared to lm-sensors 2. 22 For this reason, even if we aim at a chip-independent libsensors, it will 37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes 38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found 61 to cause an alarm) is chip-dependent. 69 ---------------- 76 ------------------------------------------------------------------------- 79 `[0-*]` denotes any positive number starting from 0 [all …]
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H A D | ina3221.rst | 10 Addresses: I2C 0x40 - 0x43 19 ----------- 24 and power are calculated host-side from these. 27 ------------- 41 average is above this value. 56 samples Number of samples using in the averaging mode. 58 Supports the list of number of samples: 67 * S: number of samples 68 * BC: bus-voltage conversion time in millisecond 69 * SC: shunt-voltage conversion time in millisecond [all …]
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H A D | ina2xx.rst | 10 Addresses: I2C 0x40 - 0x4f 20 Addresses: I2C 0x40 - 0x4f 30 Addresses: I2C 0x40 - 0x4f 40 Addresses: I2C 0x40 - 0x4f 50 Addresses: I2C 0x40 - 0x4f 60 Addresses: I2C 0x40 - 0x4f 70 Addresses: I2C 0x40 - 0x4f 80 ----------- 82 The INA219 is a high-side current shunt and power monitor with an I2C 99 The SY24655 is a high- and low-side current shunt and power monitor with an I2C [all …]
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/linux/Documentation/ABI/testing/ |
H A D | debugfs-driver-qat_telemetry | 4 Contact: qat-linux@intel.com 12 and average for each counter over 2, 3 or 4 samples 16 * 1-4: telemetry is enabled and running 22 telemetry metrics. Samples are collected every second and 24 used to calculate the minimum, maximum and average for each 40 Contact: qat-linux@intel.com 54 rd_lat_acc_avg average read latency [ns] 56 samples for AE0) 57 gp_lat_acc_avg average get to put latency [ns] 60 at_page_req_lat_avg Address Translator(AT), average page [all …]
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/linux/drivers/cpuidle/governors/ |
H A D | menu.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * menu.c - the menu idle governor 5 * Copyright (C) 2006-2007 Adam Belay <abelay@novell.com> 39 * ----------------------- 53 * menu uses a running average for this correction factor, but it uses a set of 61 * Repeatable-interval-detector 62 * ---------------------------- 106 * average of these 8 points as the estimated value. 110 s64 value, min_thresh = -1, max_thresh = UINT_MAX; in get_typical_interval() 116 /* Compute the average and variance of past intervals. */ in get_typical_interval() [all …]
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/linux/Documentation/devicetree/bindings/mfd/ |
H A D | mxs-lradc.txt | 4 - compatible: Should be "fsl,imx23-lradc" for i.MX23 SoC and "fsl,imx28-lradc" 6 - reg: Address and length of the register set for the device 7 - interrupts: Should contain the LRADC interrupts 10 - fsl,lradc-touchscreen-wires: Number of wires used to connect the touchscreen 14 - fsl,ave-ctrl: number of samples per direction to calculate an average value. 16 - fsl,ave-delay: delay between consecutive samples. Allowed value is 17 2 ... 2048. It is used if 'fsl,ave-ctrl' > 1, counts at 19 - fsl,settling: delay between plate switch to next sample. Allowed value is 26 compatible = "fsl,imx23-lradc"; 29 fsl,lradc-touchscreen-wires = <4>; [all …]
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/linux/drivers/input/keyboard/ |
H A D | qt1050.c | 1 // SPDX-License-Identifier: GPL-2.0 109 u32 samples; member 229 err = regmap_read(ts->regmap, QT1050_CHIP_ID, &val); in qt1050_identify() 231 dev_err(&ts->client->dev, "Failed to read chip ID: %d\n", err); in qt1050_identify() 236 dev_err(&ts->client->dev, "ID %d not supported\n", val); in qt1050_identify() 241 err = regmap_read(ts->regmap, QT1050_FW_VERSION, &val); in qt1050_identify() 243 dev_err(&ts->client->dev, "could not read the firmware version\n"); in qt1050_identify() 247 dev_info(&ts->client->dev, "AT42QT1050 firmware version %1d.%1d\n", in qt1050_identify() 256 struct input_dev *input = ts->input; in qt1050_irq_threaded() 262 err = regmap_read(ts->regmap, QT1050_DET_STATUS, &val); in qt1050_irq_threaded() [all …]
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/linux/Documentation/userspace-api/media/drivers/ |
H A D | imx-uapi.rst | 1 .. SPDX-License-Identifier: GPL-2.0 13 --------- 18 - V4L2_EVENT_IMX_FRAME_INTERVAL_ERROR 30 ----------------------------------- 33 NTSC/PAL signal re-sync (too little or too many video lines). When 34 this happens, the IPU triggers a mechanism to re-establish vertical 60 - V4L2_CID_IMX_FIM_ENABLE 64 - V4L2_CID_IMX_FIM_NUM 66 How many frame interval measurements to average before comparing against 70 - V4L2_CID_IMX_FIM_TOLERANCE_MIN [all …]
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/linux/tools/perf/Documentation/ |
H A D | perf-kvm.txt | 1 perf-kvm(1) 5 ---- 6 perf-kvm - Tool to trace/measure kvm guest os 9 -------- 11 'perf kvm' [--host] [--guest] [--guestmount=<path> 12 [--guestkallsyms=<path> --guestmodules=<path> | --guestvmlinux=<path>]] 13 {top|record|report|diff|buildid-list} [<options>] 14 'perf kvm' [--host] [--guest] [--guestkallsyms=<path> --guestmodules=<path> 15 | --guestvmlinux=<path>] {top|record|report|diff|buildid-list|stat} [<options>] 19 ----------- [all …]
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/linux/Documentation/userspace-api/media/v4l/ |
H A D | ext-ctrls-colorimetry.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 3 .. _colorimetry-controls: 15 ----------------------- 17 .. _colorimetry-control-id: 32 .. flat-table:: struct v4l2_ctrl_hdr10_cll_info 33 :header-rows: 0 34 :stub-columns: 0 37 * - __u16 38 - ``max_content_light_level`` 39 - The upper bound for the maximum light level among all individual [all …]
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/linux/Documentation/devicetree/bindings/iio/adc/ |
H A D | maxim,max34408.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Ivan Mikhaylov <fr0st61te@gmail.com> 13 The MAX34408/MAX34409 are two- and four-channel current monitors that are 15 unidirectional current sensor offers precision high-side operation with a 16 low full-scale sense voltage. The devices automatically sequence through 17 two or four channels and collect the current-sense samples and average them 18 to reduce the effect of impulse noise. The raw ADC samples are compared to 19 user-programmable digital thresholds to indicate overcurrent conditions. [all …]
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H A D | qcom,spmi-vadc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only 3 --- 4 $id: http://devicetree.org/schemas/iio/adc/qcom,spmi-vadc.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Andy Gross <agross@kernel.org> 11 - Bjorn Andersson <bjorn.andersson@linaro.org> 15 voltage. The VADC is a 15-bit sigma-delta ADC. 17 voltage. The VADC is a 16-bit sigma-delta ADC. 22 - items: 23 - const: qcom,pms405-adc [all …]
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/linux/include/linux/sunrpc/ |
H A D | metrics.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 5 * Declarations for RPC client per-operation metrics 9 * RPC client per-operation statistics provide latency and retry 14 * These counters are not meant to be human-readable, but are meant to be 18 * by the tools by taking the difference between two instantaneous samples 19 * and dividing that by the time between the samples. 23 * arrays per-CPU because these counters are always modified behind locks. 40 * transmissions are required, on average, to complete that
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/linux/drivers/iommu/intel/ |
H A D | perf.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * perf.c - performance monitor 20 struct latency_statistic *lstat = iommu->perf_statistic; in dmar_latency_enabled() 29 int ret = -EBUSY; in dmar_latency_enable() 35 if (!iommu->perf_statistic) { in dmar_latency_enable() 36 iommu->perf_statistic = kcalloc(DMAR_LATENCY_NUM, sizeof(*lstat), in dmar_latency_enable() 38 if (!iommu->perf_statistic) { in dmar_latency_enable() 39 ret = -ENOMEM; in dmar_latency_enable() 44 lstat = iommu->perf_statistic; in dmar_latency_enable() 59 struct latency_statistic *lstat = iommu->perf_statistic; in dmar_latency_disable() [all …]
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/linux/arch/x86/events/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0 35 average power consumption on Family 15h processors. 43 e.g., perf stat -e amd_l3/.../,amd_df/.../. 46 module will be called 'amd-uncore'. 52 Enable AMD Zen3 branch sampling support (BRS) which samples up to
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/linux/drivers/media/rc/ |
H A D | ene_ir.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 11 #define ENE_STATUS 0 /* hardware status - unused */ 17 /* 8 bytes of samples, divided in 2 packets*/ 48 /* high parts of samples for fan input (8 samples)*/ 101 /* Knobs for protocol decoding - will document when/if will use them */ 108 /* Actual register which contains RLC RX data - read by firmware */ 112 /* RLC configuration - sample period (1us resolution) + idle mode */ 125 * Low nibble - number of carrier pulses to average 126 * High nibble - number of initial carrier pulses to discard 215 unsigned *tx_buffer; /* input samples buffer*/
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/linux/drivers/iio/adc/ |
H A D | spear_adc.c | 1 // SPDX-License-Identifier: GPL-2.0-only 40 #define SPEAR_ADC_MOD_NAME "spear-adc" 49 u32 average; member 69 struct chan_data average; member 101 __raw_writel(val, &st->adc_base_spear6xx->status); in spear_adc_set_status() 107 u32 apb_clk = clk_get_rate(st->clk); in spear_adc_set_clk() 111 clk_high = count - clk_low; in spear_adc_set_clk() 112 st->current_clk = apb_clk / count; in spear_adc_set_clk() 115 &st->adc_base_spear6xx->clk); in spear_adc_set_clk() 121 __raw_writel(val, &st->adc_base_spear6xx->ch_ctrl[n]); in spear_adc_set_ctrl() [all …]
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/linux/drivers/input/touchscreen/ |
H A D | lpc32xx_ts.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 3 * LPC32xx built-in touchscreen driver 43 #define LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE(s) ((10 - (s)) << 7) 44 #define LPC32XX_TSC_ADCCON_Y_SAMPLE_SIZE(s) ((10 - (s)) << 4) 57 #define MOD_NAME "ts-lpc32xx" 60 __raw_readl((dev)->tsc_base + (reg)) 62 __raw_writel((val), (dev)->tsc_base + (reg)) 83 struct input_dev *input = tsc->dev; in lpc32xx_ts_interrupt() 88 /* FIFO overflow - throw away samples */ in lpc32xx_ts_interrupt() 94 * Gather and normalize 4 samples. Pen-up events may have less in lpc32xx_ts_interrupt() [all …]
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H A D | max11801_ts.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 3 * Driver for MAXI MAX11801 - A Resistive touch screen controller with 16 * ----------------------------------------------------- 18 * |----------------------------------------------------| 23 * ------------------------------------------------------ 28 * http://www.maxim-ic.com/datasheet/index.mvp/id/5943 98 struct i2c_client *client = data->client; in max11801_ts_interrupt() 101 int x = -1; in max11801_ts_interrupt() 102 int y = -1; in max11801_ts_interrupt() 104 status = read_register(data->client, GENERNAL_STATUS_REG); in max11801_ts_interrupt() [all …]
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/linux/block/ |
H A D | blk-iolatency.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * Block rq-qos base io controller 7 * - It's bio based, so the latency covers the whole block layer in addition to 9 * - We will throttle all IO that comes in here if we need to. 10 * - We use the mean latency over the 100ms window. This is because writes can 13 * - By default there's no throttling, we set the queue_depth to UINT_MAX so 32 * an average latency of 5ms. If it does then we will throttle the "slow" 44 * number of IO's we're allowed to have in flight. This starts at (u64)-1 down 55 * total_time += min_lat_nsec - actual_io_completion 69 #include <linux/backing-dev.h> [all …]
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