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/linux-5.10/Documentation/ABI/testing/
Dsysfs-class-regulator10 This will be one of the following strings:
12 'enabled'
16 'enabled' means the regulator output is ON and is supplying
20 supplying power to the system (unless some non-Linux
21 control has enabled it).
36 This will be one of the following strings:
38 - off
39 - on
40 - error
41 - fast
[all …]
Dsysfs-power15 labels, which may be "mem" (suspend), "standby" (power-on
16 suspend), "freeze" (suspend-to-idle) and "disk" (hibernation).
18 Writing one of the above strings to this file causes the system
21 See Documentation/admin-guide/pm/sleep-states.rst for more
35 Writing one of the above strings to this file causes the mode
39 See Documentation/admin-guide/pm/sleep-states.rst for more
47 suspend-to-disk mechanism. Reading from this file returns
51 'firmware' - means that the memory image will be saved to disk
55 'platform' - the memory image will be saved by the kernel and
59 'shutdown' - the memory image will be saved by the kernel and
[all …]
Dsysfs-firmware-acpi12 image: The image bitmap. Currently a 32-bit BMP.
40 enabled: If set, the ACPI core will handle notifications of
50 cause -EINVAL to be returned.
153 enable the GPE/Fixed Event is valid and enabled.
167 Besides this, user can also write specific strings to these files
180 0 enabled
183 3 enabled
192 4 enabled
200 7 enabled
206 7 enabled
/linux-5.10/Documentation/devicetree/bindings/leds/backlight/
Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 - Kiran Gunda <kgunda@codeaurora.org>
21 - qcom,pm8941-wled
22 - qcom,pmi8998-wled
23 - qcom,pm660l-wled
24 - qcom,pm8150l-wled
[all …]
/linux-5.10/sound/core/
Dinfo_oss.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 static DEFINE_MUTEX(strings);
29 return -ENXIO; in snd_oss_info_register()
31 return -ENXIO; in snd_oss_info_register()
32 mutex_lock(&strings); in snd_oss_info_register()
41 mutex_unlock(&strings); in snd_oss_info_register()
42 return -ENOMEM; in snd_oss_info_register()
46 mutex_unlock(&strings); in snd_oss_info_register()
53 int idx, ok = -1; in snd_sndstat_show_strings()
57 mutex_lock(&strings); in snd_sndstat_show_strings()
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/linux-5.10/Documentation/devicetree/bindings/leds/
Dleds-lm36274.txt1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
3 The LM36274 is an integrated four-channel WLED driver and LCD bias supply.
4 The backlight boost provides the power to bias four parallel LED strings with
5 up to 29V total output voltage. The 11-bit LED current is programmable via
9 Documentation/devicetree/bindings/mfd/ti-lmu.txt
12 Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
15 - compatible:
16 "ti,lm36274-backlight"
17 - reg : 0
18 - #address-cells : 1
[all …]
/linux-5.10/Documentation/usb/
Dgadget_configfs.rst50 http://www.spinics.net/lists/linux-usb/msg76388.html)
55 $ mount none $CONFIGFS_HOME -t configfs
60 -----------------------
81 A gadget also needs its serial number, manufacturer and product strings.
82 In order to have a place to store them, a strings subdirectory must be created
85 $ mkdir strings/0x409
87 Then the strings can be specified::
89 $ echo <serial number> > strings/0x409/serialnumber
90 $ echo <manufacturer> > strings/0x409/manufacturer
91 $ echo <product> > strings/0x409/product
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/linux-5.10/tools/power/x86/x86_energy_perf_policy/
Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
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/linux-5.10/drivers/leds/
Dleds-lm3697.c1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
10 #include <linux/leds-ti-lmu-common.h>
42 * struct lm3697_led -
43 * @hvled_strings: Array of LED strings associated with a control bank
58 int enabled; member
63 * struct lm3697 -
70 * @leds: Array of LED strings
118 int ctrl_en_val = (1 << led->control_bank); in lm3697_brightness_set()
119 struct device *dev = led->priv->dev; in lm3697_brightness_set()
[all …]
Dleds-lm36274.c1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
9 #include <linux/leds-ti-lmu-common.h>
14 #include <linux/mfd/ti-lmu.h>
15 #include <linux/mfd/ti-lmu-register.h>
29 * @led_sources: The LED strings supported in this array
30 * @num_leds: Number of LED strings are supported in this array
48 return ti_lmu_common_set_brightness(&chip->lmu_data, brt_val); in lm36274_brightness_set()
56 for (i = 0; i < chip->num_leds; i++) in lm36274_init()
57 enable_val |= (1 << chip->led_sources[i]); in lm36274_init()
[all …]
Dleds-lm3532.c1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
16 #define LM3532_NAME "lm3532-led"
128 * @num_leds: Number of LED strings are supported in this array
129 * @full_scale_current: The full-scale current setting for the current sink.
130 * @led_strings: The LED strings supported in this array
131 * @enabled: Enabled status
142 unsigned int enabled:1; member
157 * @leds: Array of LED strings
225 if (als_imped < als_imp_table[LM3532_NUM_IMP_VALS - 1]) in lm3532_get_als_imp_index()
[all …]
/linux-5.10/Documentation/driver-api/usb/
Dusb3-debug-port.rst19 3) have a USB 3.0 super-speed A-to-A debugging cable.
28 When DbC is initialized and enabled, it will present a debug
30 super-speed port). The debug device is fully compliant with
32 performance full-duplex serial link between the debug target
41 Other uses include simpler, lockless logging instead of a full-
45 kernel with CONFIG_EARLY_PRINTK_USB_XDBC enabled. And, add below
58 "usbcore.autosuspend=-1"
63 should be a USB 3.0 super-speed A-to-A debugging cable.
74 # tail -f /var/log/kern.log
75 [ 1815.983374] usb 4-3: new SuperSpeed USB device number 4 using xhci_hcd
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/linux-5.10/Documentation/devicetree/bindings/clock/
Dzynq-7000.txt15 - #clock-cells : Must be 1
16 - compatible : "xlnx,ps7-clkc"
17 - reg : SLCR offset and size taken via syscon < 0x100 0x100 >
18 - ps-clk-frequency : Frequency of the oscillator providing ps_clk in HZ
20 - clock-output-names : List of strings used to name the clock outputs. Shall be
24 - clocks : as described in the clock bindings
25 - clock-names : as described in the clock bindings
26 - fclk-enable : Bit mask to enable FCLKs statically at boot time.
28 FCLK will only be enabled if it is actually running at
32 The following strings are optional parameters to the 'clock-names' property in
[all …]
/linux-5.10/drivers/gpu/drm/i915/gt/
Ddebugfs_gt_pm.c1 // SPDX-License-Identifier: MIT
23 struct intel_gt *gt = m->private; in fw_domains_show()
24 struct intel_uncore *uncore = gt->uncore; in fw_domains_show()
29 uncore->user_forcewake_count); in fw_domains_show()
33 intel_uncore_forcewake_domain_to_str(fw_domain->id), in fw_domains_show()
34 READ_ONCE(fw_domain->wake_count)); in fw_domains_show()
44 struct intel_gt *gt = m->private; in print_rc6_res()
47 with_intel_runtime_pm(gt->uncore->rpm, wakeref) in print_rc6_res()
49 intel_uncore_read(gt->uncore, reg), in print_rc6_res()
50 intel_rc6_residency_us(&gt->rc6, reg)); in print_rc6_res()
[all …]
/linux-5.10/drivers/regulator/
Duserspace-consumer.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * userspace-consumer.c
19 #include <linux/regulator/userspace-consumer.h>
26 bool enabled; member
37 return sprintf(buf, "%s\n", data->name); in reg_show_name()
45 if (data->enabled) in reg_show_state()
46 return sprintf(buf, "enabled\n"); in reg_show_state()
55 bool enabled; in reg_set_state() local
59 * sysfs_streq() doesn't need the \n's, but we add them so the strings in reg_set_state()
62 if (sysfs_streq(buf, "enabled\n") || sysfs_streq(buf, "1")) in reg_set_state()
[all …]
/linux-5.10/drivers/of/
Dunittest.c1 // SPDX-License-Identifier: GPL-2.0
6 #define pr_fmt(fmt) "### dt-test ### " fmt
10 #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
27 #include <linux/i2c-mux.h>
70 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
72 unittest(np && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
73 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
78 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
79 unittest(!np, "trailing '/' on /testcase-data/ should fail\n"); in of_unittest_find_node_by_name()
81 np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); in of_unittest_find_node_by_name()
[all …]
/linux-5.10/Documentation/filesystems/ext4/
Dattributes.rst1 .. SPDX-License-Identifier: GPL-2.0
4 -------------------
17 sb.inode\_size = 256, then there are 256 - (128 + 28) = 100 bytes
18 available for in-inode extended attribute storage. The second place
26 Keys are generally assumed to be ASCIIZ strings, whereas values can be
27 strings or binary data.
32 .. list-table::
34 :header-rows: 1
36 * - Offset
37 - Type
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/linux-5.10/drivers/usb/gadget/function/
Du_fs.h1 /* SPDX-License-Identifier: GPL-2.0 */
76 * Waiting for descriptors and strings.
86 * We've got descriptors and strings. We are or have called
105 * be reset, and it will be ready for descriptors and strings
118 * unrecoverable error is situation when after reading strings
144 * -EIDRM. This state is only set when adding event.
172 * a race. Is that the case? Or maybe we can use cdev->req
188 * + FFS_NO_SETUP -> FFS_SETUP_PENDING -- P: ev.waitq.lock
190 * + FFS_SETUP_PENDING -> FFS_NO_SETUP -- P: ev.waitq.lock
192 * + FFS_SETUP_PENDING -> FFS_SETUP_CANCELLED -- P: ev.waitq.lock
[all …]
/linux-5.10/drivers/usb/gadget/udc/aspeed-vhub/
Dhub.c1 // SPDX-License-Identifier: GPL-2.0+
3 * aspeed-vhub -- Driver for Aspeed SoC "vHub" USB gadget
5 * hub.c - virtual hub handling
31 #include <linux/dma-mapping.h>
43 * - We may need to indicate TT support
44 * - We may need a device qualifier descriptor
46 * - Make vid/did overridable
47 * - make it look like usb1 if usb1 mode forced
138 * These strings converted to UTF-16 must be smaller than
159 .strings = (struct usb_string *)ast_vhub_str_array
[all …]
/linux-5.10/Documentation/devicetree/bindings/bus/
Dsimple-pm-bus.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple Power-Managed Bus
10 - Geert Uytterhoeven <geert+renesas@glider.be>
13 A Simple Power-Managed Bus is a transparent bus that doesn't need a real
18 clock must be enabled for child devices connected to the bus (either
19 on-SoC or externally) to function.
21 While "simple-pm-bus" follows the "simple-bus" set of properties, as
[all …]
/linux-5.10/drivers/usb/core/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
10 strings for every new USB device to the syslog. This option is
25 enabled by default. If you say N it will make suspended USB
28 persist feature can still be enabled for individual devices
30 Documentation/driver-api/usb/persist.rst for more info.
45 Say N here unless you require new-device enumeration failure to
64 "Dual-Role" device, which can act as either a device
69 Select this only if your board has Mini-AB/Micro-AB
97 Implements OTG Finite State Machine as specified in On-The-Go
/linux-5.10/include/linux/usb/
Dgadget.h1 // SPDX-License-Identifier: GPL-2.0
5 * We call the USB code inside a Linux-based peripheral device a "gadget"
6 * driver, except for the hardware-specific bus glue. One USB host can
11 * (C) Copyright 2002-2004 by David Brownell
35 * struct usb_request - describes one i/o request
41 * @sg: a scatterlist for SG-capable controllers.
57 * its buffer may be re-used. The function will always be called with
72 * Code "-ESHUTDOWN" indicates completion caused by device disconnect,
79 * reside in a device-side FIFO when the request is reported as
83 * hardware's driver can add extra per-request data to the memory it returns,
[all …]
/linux-5.10/Documentation/devicetree/bindings/pinctrl/
Dste,nomadik.txt4 - compatible: "stericsson,db8500-pinctrl", "stericsson,db8540-pinctrl",
5 "stericsson,stn8815-pinctrl"
6 - nomadik-gpio-chips: array of phandles to the corresponding GPIO chips
8 - prcm: phandle to the PRCMU managing the back end of this pin controller
10 Please refer to pinctrl-bindings.txt in this directory for details of the
23 (see pinctrl-bindings.txt):
26 - function: A string containing the name of the function to mux to the
28 - groups : An array of strings. Each string contains the name of a pin
30 set-up.
33 - pins: A string array describing the pins affected by the configuration
[all …]
/linux-5.10/lib/
DKconfig.kgdb1 # SPDX-License-Identifier: GPL-2.0-only
22 as well as in Documentation/dev-tools/kgdb.rst. If
49 Share a serial console with kgdb. Sysrq-g must be used
79 information about other strings you could use beyond the
98 hex "KDB: Select kdb command functions to be enabled by default"
102 Specifiers which kdb commands are enabled by default. This may
108 0x0002 - allow arbitrary reads from memory and symbol lookup
109 0x0004 - allow arbitrary writes to memory
110 0x0008 - allow current register state to be inspected
111 0x0010 - allow current register state to be modified
[all …]
/linux-5.10/include/uapi/linux/
Dethtool.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
26 * have the same layout for 32-bit and 64-bit userland.
30 * struct ethtool_cmd - DEPRECATED, link control and status
35 * interface supports autonegotiation or auto-detection.
36 * Read-only.
39 * advertised through autonegotiation or enabled for
40 * auto-detection.
48 * @autoneg: Enable/disable autonegotiation and auto-detection;
52 * Read-only.
54 * obsoleted by &struct ethtool_coalesce. Read-only; deprecated.
[all …]

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