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/Linux-v5.15/drivers/power/supply/
Dcw2015_battery.c1 // SPDX-License-Identifier: GPL-2.0
8 * Authors: xuhuicong <xhc@rock-chips.com>
64 struct power_supply_battery_info battery; member
88 ret = regmap_bulk_read(cw_bat->regmap, reg, &value, sizeof(value)); in cw_read_word()
103 ret = regmap_read(cw_bat->regmap, CW2015_REG_MODE, &reg_val); in cw_update_profile()
109 dev_err(cw_bat->dev, in cw_update_profile()
110 "Gauge is in sleep mode, can't update battery info\n"); in cw_update_profile()
111 return -EINVAL; in cw_update_profile()
114 /* write new battery info */ in cw_update_profile()
115 ret = regmap_raw_write(cw_bat->regmap, CW2015_REG_BATINFO, in cw_update_profile()
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Dbd99954-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
14 * The battery charging profile of BD99954.
17 * Curve (2) represents battery voltage.
20 * a) Trickle-charge with constant current (8).
21 * b) pre-charge with constant current (6)
22 * c) fast-charge, first with constant current (5) phase. After
23 * the battery voltage has reached target level (4) we have constant
30 *(4)` `.` ` ` ` ` ` ` ` ` ` ` ` ` ` ----------------------------.
32 * . o----+/:/ ` ` ` ` ` ` ` ` ` ` ` ` `.` ` (5)
34 * . + /- -- .
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/Linux-v5.15/drivers/platform/surface/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Microsoft Surface Platform-Specific Drivers
7 bool "Microsoft Surface Platform-Specific Device Drivers"
11 Say Y here to get to see options for platform-specific device drivers
29 be called surface3-wmi.
38 tristate "Surface 3 battery platform operation region support"
42 region of the Surface 3 battery platform driver.
52 on 5th- and 6th-generation Microsoft Surface devices (including
59 Specifically, this driver may be needed for battery status reporting,
60 thermal sensor access, and real-time clock information, depending on
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Dsurface_aggregator_registry.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Registry for non-platform/non-ACPI SSAM client devices, i.e. devices that
6 * cannot be auto-detected. Provides device-hubs and performs instantiation
9 * Copyright (C) 2020-2021 Maximilian Luz <luzmaximilian@gmail.com>
25 /* -- Device registry. ------------------------------------------------------ */
30 * function, each encoded as two-digit hexadecimal, separated by ':'. In other
35 * Where, 'dd', 'cc', 'tt', 'ii', and 'ff' are the two-digit hexadecimal
56 /* Primary battery. */
62 /* Secondary battery (Surface Book 3). */
68 /* Platform profile / performance-mode device. */
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/Linux-v5.15/Documentation/devicetree/bindings/power/supply/
Dcw2015_battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Battery driver for CW2015 shuntless fuel gauge by CellWise.
10 - Tobias Schramm <t.schramm@manjaro.org>
13 The driver can utilize information from a simple-battery linked via a
14 phandle in monitored-battery. If specified the driver uses the
15 charge-full-design-microamp-hours property of the battery.
24 cellwise,battery-profile:
26 This property specifies characteristics of the battery used. The format
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Drohm,bd99954.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ROHM BD99954 Battery charger
10 - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
11 - Markus Laine <markus.laine@fi.rohmeurope.com>
12 - Mikko Mutanen <mikko.mutanen@fi.rohmeurope.com>
15 The ROHM BD99954 is a Battery Management LSI for 1-4 cell Lithium-Ion
16 secondary battery intended to be used in space-constraint equipment such
17 as Low profile Notebook PC, Tablets and other applications. BD99954
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/Linux-v5.15/drivers/gpu/drm/radeon/
Dradeon_pm.c24 #include <linux/hwmon-sysfs.h>
44 "Battery",
61 int found_instance = -1; in radeon_pm_get_type_index()
63 for (i = 0; i < rdev->pm.num_power_states; i++) { in radeon_pm_get_type_index()
64 if (rdev->pm.power_state[i].type == ps_type) { in radeon_pm_get_type_index()
71 return rdev->pm.default_power_state_index; in radeon_pm_get_type_index()
76 if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { in radeon_pm_acpi_event_handler()
77 mutex_lock(&rdev->pm.mutex); in radeon_pm_acpi_event_handler()
79 rdev->pm.dpm.ac_power = true; in radeon_pm_acpi_event_handler()
81 rdev->pm.dpm.ac_power = false; in radeon_pm_acpi_event_handler()
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Dtrinity_dpm.c306 struct trinity_ps *ps = rps->ps_priv; in trinity_get_ps()
313 struct trinity_power_info *pi = rdev->pm.dpm.priv; in trinity_get_pi()
348 if (pi->override_dynamic_mgpg && (hw_rev == 0)) in trinity_gfx_powergating_initialize()
505 if (pi->enable_gfx_clock_gating) in trinity_enable_clock_power_gating()
507 if (pi->enable_mg_clock_gating) in trinity_enable_clock_power_gating()
509 if (pi->enable_gfx_power_gating) in trinity_enable_clock_power_gating()
511 if (pi->enable_mg_clock_gating) { in trinity_enable_clock_power_gating()
515 if (pi->enable_gfx_clock_gating) in trinity_enable_clock_power_gating()
517 if (pi->enable_gfx_dynamic_mgpg) in trinity_enable_clock_power_gating()
519 if (pi->enable_gfx_power_gating) in trinity_enable_clock_power_gating()
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/Linux-v5.15/drivers/platform/x86/
Dhp-wmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 #include <linux/input/sparse-keymap.h>
33 MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C");
34 MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
36 static int enable_tablet_mode_sw = -1;
38 MODULE_PARM_DESC(enable_tablet_mode_sw, "Enable SW_TABLET_MODE reporting (-1=auto, 0=no, 1=yes)");
40 #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
41 #define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4"
189 return -EINVAL; in encode_outsize_for_pvsz()
212 * -EINVAL if the query was not successful at all
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Dthinkpad_acpi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * thinkpad_acpi.c - ThinkPad ACPI Extras
5 * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
6 * Copyright (C) 2006-2009 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
16 * 2007-10-20 changelog trimmed down
18 * 2007-03-27 0.14 renamed to thinkpad_acpi and moved to
21 * 2006-11-22 0.13 new maintainer
23 * not be updated further in-file.
25 * 2005-03-17 0.11 support for 600e, 770x
28 * 2005-01-16 0.9 use MODULE_VERSION
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Dasus-wmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
22 #include <linux/input/sparse-keymap.h>
32 #include <linux/hwmon-sysfs.h>
35 #include <linux/platform_data/x86/asus-wmi.h>
41 #include <acpi/battery.h>
44 #include "asus-wmi.h"
57 #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
134 u16 mfun; /* probably "Multi-function" to be called */
135 u16 sfun; /* probably "Sub-function" to be called */
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Dideapad-laptop.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ideapad-laptop.c - Lenovo IdeaPad ACPI Extras
22 #include <linux/input/sparse-keymap.h>
36 #include <dt-bindings/leds/common.h>
42 "26CAB2E5-5CF1-46AE-AAC3-4A12B6BA50E6", /* Yoga 3 */
43 "56322276-8493-4CE8-A783-98C991274F5E", /* Yoga 700 */
44 "8FC0DE0C-B4E4-43FD-B0F3-8871711C1294", /* Legion 5 */
167 return -EIO; in eval_int()
178 return ACPI_FAILURE(status) ? -EIO : 0; in exec_simple_method()
215 return -EIO; in eval_int_with_arg()
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Dsony-laptop.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
6 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
14 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
18 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
24 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
51 #include <linux/sony-laptop.h>
66 #define SONY_NC_CLASS "sony-nc"
70 #define SONY_PIC_CLASS "sony-pic"
105 static int minor = -1;
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-firmware-acpi55 image: The image bitmap. Currently a 32-bit BMP.
73 processors, PCI root bridges etc. A hotplug profile for a given
80 hotplug profile:
93 cause -EINVAL to be returned.
117 such as a battery, or a processor.
/Linux-v5.15/Documentation/power/powercap/
Ddtpm.rst1 .. SPDX-License-Identifier: GPL-2.0
15 reduce the battery charging because the dissipated power is too high
20 profile: it has the knowledge of the platform.
48 `-- pkg
50 |-- pd0 (cpu0-3)
52 `-- pd1 (cpu4-5)
56 SoC (400mW - 3100mW)
58 `-- pkg (400mW - 3100mW)
60 |-- pd0 (100mW - 700mW)
62 `-- pd1 (300mW - 2400mW)
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/Linux-v5.15/arch/arm/boot/dts/
Drk3188-bqedison2qc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/i2c/i2c.h>
9 #include <dt-bindings/input/input.h>
13 model = "BQ Edison2 Quad-Core";
14 compatible = "mundoreader,bq-edison2qc", "rockchip,rk3188";
28 compatible = "pwm-backlight";
29 power-supply = <&vsys>;
33 gpio-keys {
34 compatible = "gpio-keys";
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/Linux-v5.15/include/linux/platform_data/
Dcros_ec_commands.h1 /* SPDX-License-Identifier: GPL-2.0-only */
7 * NOTE: This file is auto-generated from ChromeOS EC Open Source code from
52 * The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff
73 #define EC_MEMMAP_TEMP_SENSOR 0x00 /* Temp sensors 0x00 - 0x0f */
74 #define EC_MEMMAP_FAN 0x10 /* Fan speeds 0x10 - 0x17 */
75 #define EC_MEMMAP_TEMP_SENSOR_B 0x18 /* More temp sensors 0x18 - 0x1f */
77 #define EC_MEMMAP_ID_VERSION 0x22 /* Version of data in 0x20 - 0x2f */
78 #define EC_MEMMAP_THERMAL_VERSION 0x23 /* Version of data in 0x00 - 0x1f */
79 #define EC_MEMMAP_BATTERY_VERSION 0x24 /* Version of data in 0x40 - 0x7f */
80 #define EC_MEMMAP_SWITCHES_VERSION 0x25 /* Version of data in 0x30 - 0x33 */
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/Linux-v5.15/drivers/gpu/drm/amd/pm/
Damdgpu_pm.c33 #include <linux/hwmon-sysfs.h>
93 * - battery
95 * - balanced
97 * - performance
99 * battery
101 * On older GPUs, the vbios provided a special power state for battery
102 * operation. Selecting battery switched to this state. This is no
125 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; in amdgpu_get_power_dpm_state()
130 return -EPERM; in amdgpu_get_power_dpm_state()
131 if (adev->in_suspend && !adev->in_runpm) in amdgpu_get_power_dpm_state()
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/Linux-v5.15/Documentation/arm64/
Dacpi_object_usage.rst16 - Required: DSDT, FADT, GTDT, MADT, MCFG, RSDP, SPCR, XSDT
18 - Recommended: BERT, EINJ, ERST, HEST, PCCT, SSDT
20 - Optional: BGRT, CPEP, CSRT, DBG2, DRTM, ECDT, FACS, FPDT, IBFT,
24 - Not supported: BOOT, DBGP, DMAR, ETDT, HPET, IVRS, LPIT, MSDM, OEMx,
47 Optional, not currently supported, with no real use-case for an
55 time as ARM-compatible hardware is available, and the specification
123 UEFI-based; if it is UEFI-based, this table may be supplied. When this
139 the hardware reduced profile, and only 64-bit address fields will
156 filled in properly - that the PSCI_COMPLIANT flag is set and that
157 PSCI_USE_HVC is set or unset as needed (see table 5-37).
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/Linux-v5.15/arch/arm64/boot/dts/rockchip/
Drk3399-pinebook-pro.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
9 #include <dt-bindings/input/gpio-keys.h>
10 #include <dt-bindings/input/linux-event-codes.h>
11 #include <dt-bindings/pwm/pwm.h>
12 #include <dt-bindings/usb/pd.h>
13 #include <dt-bindings/leds/common.h>
15 #include "rk3399-opp.dtsi"
19 compatible = "pine64,pinebook-pro", "rockchip,rk3399";
28 stdout-path = "serial2:1500000n8";
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/Linux-v5.15/drivers/nvme/host/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2011-2014, Intel Corporation.
8 #include <linux/blk-mq.h>
15 #include <linux/backing-dev.h>
84 * nvme_wq - hosts nvme related works that are not reset or delete
85 * nvme_reset_wq - hosts nvme reset works
86 * nvme_delete_wq - hosts nvme delete works
89 * keep-alive, periodic reconnects etc. nvme_reset_wq
131 if (test_and_set_bit(NVME_NS_DEAD, &ns->flags)) in nvme_set_queue_dying()
134 blk_set_queue_dying(ns->queue); in nvme_set_queue_dying()
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/Linux-v5.15/drivers/acpi/
Dacpi_video.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * video.c - ACPI Video Driver
7 * Copyright (C) 2006 Thomas Tuttle <linux-kernel@ttuttle.net>
50 static int disable_backlight_sysfs_if = -1;
55 static int report_key_events = -1;
60 static int hw_changes_brightness = -1;
64 "a hotkey is pressed: -1: auto, 0: normal 1: hw-changes-brightness");
73 static int only_lcd = -1;
132 u32 display_index:4; /* A zero-based instance of the Display */
137 u32 depend_on_vga:1; /* Non-VGA output device whose power is related to
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/Linux-v5.15/Documentation/admin-guide/
Ddevices.txt1 0 Unnamed devices (e.g. non-device mounts)
7 2 = /dev/kmem OBSOLETE - replaced by /proc/kcore
11 6 = /dev/core OBSOLETE - replaced by /proc/kcore
18 12 = /dev/oldmem OBSOLETE - replaced by /proc/vmcore
31 2 char Pseudo-TTY masters
37 Pseudo-tty's are named as follows:
40 the 1st through 16th series of 16 pseudo-ttys each, and
44 These are the old-style (BSD) PTY devices; Unix98
106 3 char Pseudo-TTY slaves
112 These are the old-style (BSD) PTY devices; Unix98
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/Linux-v5.15/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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