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/linux/Documentation/devicetree/bindings/input/
H A Diqs626a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Azoteq IQS626A Capacitive Touch Controller
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
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H A Diqs269a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Azoteq IQS269A Capacitive Touch Controller
10 - Jeff LaBundy <jeff@labundy.com>
13 - $ref: input.yaml#
16 The Azoteq IQS269A is an 8-channel capacitive touch controller that features
17 additional Hall-effect and inductive sensing capabilities.
24 - azoteq,iqs269a
25 - azoteq,iqs269a-00
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H A Diqs62x-keys.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/iqs62x-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 - $ref: input.yaml#
16 The Azoteq IQS620A, IQS621, IQS622, IQS624 and IQS625 multi-function sensors
17 feature a variety of self-capacitive, mutual-inductive and Hall-effect sens-
23 further details and examples. Sensor hardware configuration (self-capacitive
24 vs. mutual-inductive, etc.) is selected based on the device's firmware.
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/linux/drivers/input/touchscreen/
H A Dauo-pixcir-ts.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for AUO in-cell touchscreens
7 * loosely based on auo_touch.c from Dell Streak vendor-kernel
77 * indicate touch: interrupt is asserted during touch
87 * sleep: scan speed 10Hz can be auto-activated, wakeup on 1st touch
88 * deep sleep: scan speed 1Hz can only be entered or left manually.
141 struct i2c_client *client = ts->client; in auo_pixcir_collect_data()
146 /* touch coordinates */ in auo_pixcir_collect_data()
150 dev_err(&client->dev, "failed to read coordinate, %d\n", ret); in auo_pixcir_collect_data()
154 /* touch area */ in auo_pixcir_collect_data()
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H A Datmel_mxt_ts.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2011-2014 Atmel Corporation
31 #include <media/v4l2-device.h>
32 #include <media/v4l2-ioctl.h>
33 #include <media/videobuf2-v4l2.h>
34 #include <media/videobuf2-vmalloc.h>
35 #include <dt-bindings/input/atmel-maxtouch.h>
162 /* T100 Multiple Touch Touchscreen */
370 return obj->size_minus_one + 1; in mxt_obj_size()
375 return obj->instances_minus_one + 1; in mxt_obj_instances()
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/linux/drivers/input/misc/
H A Diqs269a.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Azoteq IQS269A Capacitive Touch Controller
8 * inductive keys as well as Hall-effect switches, and one for each of the two
224 .name = "event-prox",
230 .name = "event-prox-alt",
237 .name = "event-touch",
243 .name = "event-touch-alt",
250 .name = "event-deep",
256 .name = "event-deep-alt",
338 * Slider 1 is unavailable if the touch-and-hold option is enabled via in iqs269_slider_type()
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H A Diqs626a.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Azoteq IQS626A Capacitive Touch Controller
8 * inductive keys as well as Hall-effect switches, and one for a trackpad that
226 .name = "event-prox",
232 .name = "event-prox-alt",
239 .name = "event-touch",
245 .name = "event-touch-alt",
252 .name = "event-deep",
258 .name = "event-deep-alt",
366 .name = "ulp-0",
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/linux/drivers/input/keyboard/
H A Dcap11xx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Input driver for Microchip CAP11xx based capacitive touch sensors
123 * which supports more than 8 touch channels. in cap11xx_volatile_reg()
152 return regmap_write(priv->regmap, in cap11xx_write_calib_sens_config_1()
154 (priv->calib_sensitivities[3] << 6) | in cap11xx_write_calib_sens_config_1()
155 (priv->calib_sensitivities[2] << 4) | in cap11xx_write_calib_sens_config_1()
156 (priv->calib_sensitivities[1] << 2) | in cap11xx_write_calib_sens_config_1()
157 priv->calib_sensitivities[0]); in cap11xx_write_calib_sens_config_1()
162 return regmap_write(priv->regmap, in cap11xx_write_calib_sens_config_2()
164 (priv->calib_sensitivities[7] << 6) | in cap11xx_write_calib_sens_config_2()
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/linux/drivers/platform/chrome/
H A Dchromeos_laptop.c1 // SPDX-License-Identifier: GPL-2.0+
85 const unsigned short addr_list[] = { info->addr, I2C_CLIENT_END }; in chromes_laptop_instantiate_i2c_device()
96 I2C_BOARD_INFO("dummy", info->addr), in chromes_laptop_instantiate_i2c_device()
106 pr_debug("%d-%02x is probed at %02x\n", in chromes_laptop_instantiate_i2c_device()
107 adapter->nr, info->addr, dummy->addr); in chromes_laptop_instantiate_i2c_device()
115 pr_debug("failed to register device %d-%02x\n", in chromes_laptop_instantiate_i2c_device()
116 adapter->nr, info->addr); in chromes_laptop_instantiate_i2c_device()
118 pr_debug("added i2c device %d-%02x\n", in chromes_laptop_instantiate_i2c_device()
119 adapter->nr, info->addr); in chromes_laptop_instantiate_i2c_device()
141 for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { in chromeos_laptop_check_adapter()
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/linux/drivers/input/mouse/
H A Dcyapa.c9 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
10 * Copyright (C) 2011-2012 Google, Inc.
46 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL) in cyapa_is_pip_bl_mode()
49 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL) in cyapa_is_pip_bl_mode()
57 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_APP) in cyapa_is_pip_app_mode()
60 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP) in cyapa_is_pip_app_mode()
71 if (cyapa->gen == CYAPA_GEN3 && in cyapa_is_bootloader_mode()
72 cyapa->state >= CYAPA_STATE_BL_BUSY && in cyapa_is_bootloader_mode()
73 cyapa->state <= CYAPA_STATE_BL_ACTIVE) in cyapa_is_bootloader_mode()
84 if (cyapa->gen == CYAPA_GEN3 && cyapa->state == CYAPA_STATE_OP) in cyapa_is_operational_mode()
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/linux/scripts/
H A Dsorttable.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 1999-2019 Alibaba Group Holding Limited. by:
9 * Copyright 2011 - 2012 Cavium, Inc.
20 * Strategy: alter the vmlinux file in-place.
35 #include "elf-parse.h"
69 * the way to -256..-1, to avoid conflicting with real section
72 #define SPECIAL(i) ((i) - (SHN_HIRESERVE + 1))
79 /* Accessor for sym->st_shndx, hides ugliness of "64k sections" */
97 return -1; in compare_extable_32()
107 return -1; in compare_extable_64()
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/linux/drivers/clk/qcom/
H A Dgdsc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015, 2017-2018, 2022, The Linux Foundation. All rights reserved.
17 #include <linux/reset-controller.h>
67 if (sc->flags & POLL_CFG_GDSCR) in gdsc_check_status()
68 reg = sc->gdscr + CFG_GDSCR_OFFSET; in gdsc_check_status()
69 else if (sc->gds_hw_ctrl) in gdsc_check_status()
70 reg = sc->gds_hw_ctrl; in gdsc_check_status()
72 reg = sc->gdscr; in gdsc_check_status()
74 ret = regmap_read(sc->regmap, reg, &val); in gdsc_check_status()
78 if (sc->flags & POLL_CFG_GDSCR) { in gdsc_check_status()
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/linux/fs/
H A Deventpoll.c1 // SPDX-License-Identifier: GPL-2.0-or-later
45 * fs/eventpoll.c - Efficient event polling ("epoll") kernel implementation.
49 * --------
52 * ->private_data is a struct eventpoll. Each EPOLL_CTL_ADD installs
54 * eventpoll via the watched file's f_op->poll() wait queue(s). When
57 * ep->mtx, re-queueing items in level-triggered mode.
60 * deep; cycles are forbidden and detected at EPOLL_CTL_ADD time.
64 * -------
70 * > ep->mtx (per-eventpoll; sleepable; serializes most ops)
71 * > ep->lock (per-eventpoll; IRQ-safe spinlock)
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/linux/include/drm/
H A Ddrm_connector.h58 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
62 * enum drm_connector_status - status for a &drm_connector
77 * nothing there. It is driver-dependent whether a connector with this
84 * flicker (like load-detection when the connector is in use), or when a
85 * hardware resource isn't available (like when load-detection needs a
95 * enum drm_connector_registration_state - userspace registration status for
128 * - An unregistered connector may only have its DPMS changed from
129 * On->Off. Once DPMS is changed to Off, it may not be switched back
131 * - Modesets are not allowed on unregistered connectors, unless they
135 * - Removing a CRTC from an unregistered connector is OK, but new
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/linux/drivers/gpu/drm/amd/display/dc/hwss/dcn60/
H A Ddcn60_hwseq.c1 // SPDX-License-Identifier: MIT
45 hws->ctx
47 hws->regs->reg
49 dc->ctx->logger
53 hws->shifts->field_name, hws->masks->field_name
60 const struct dc_stream_state *stream = pipe_ctx->stream; in dcn60_build_audio_output()
61 audio_output->engine_id = pipe_ctx->stream_res.stream_enc->id; in dcn60_build_audio_output()
63 audio_output->signal = pipe_ctx->stream->signal; in dcn60_build_audio_output()
67 audio_output->crtc_info.h_total = in dcn60_build_audio_output()
68 stream->timing.h_total; in dcn60_build_audio_output()
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/linux/Documentation/admin-guide/cgroup-v1/
H A Dmemory.rst18 we call it "memory cgroup". When you see git-log and source code, you'll
30 Memory-hungry applications can be isolated and limited to a smaller
42 Current Status: linux-2.6.34-mmotm(development version of 2010/April)
46 - accounting anonymous pages, file caches, swap caches usage and limiting them.
47 - pages are linked to per-memcg LRU exclusively, and there is no global LRU.
48 - optionally, memory+swap usage can be accounted and limited.
49 - hierarchical accounting
50 - moving (recharging) account at moving a task is selectable.
51 - usage threshold notifier
52 - memory pressure notifier
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/linux/drivers/scsi/
H A Dvmw_pvscsi.c2 * Linux driver for VMware's para-virtualized SCSI HBA.
4 * Copyright (C) 2008-2014, VMware, Inc. All Rights Reserved.
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
56 * 1-to-1 mapping completions back to requests.
114 MODULE_PARM_DESC(ring_pages, "Number of pages per req/cmp ring - (default="
121 MODULE_PARM_DESC(msg_ring_pages, "Number of pages for the msg ring - (default="
125 MODULE_PARM_DESC(cmd_per_lun, "Maximum commands per lun - (default="
129 MODULE_PARM_DESC(disable_msi, "Disable MSI use in driver - (default=0)");
132 MODULE_PARM_DESC(disable_msix, "Disable MSI-X use in driver - (default=0)");
135 MODULE_PARM_DESC(use_msg, "Use msg ring when available - (default=1)");
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/linux/drivers/ata/
H A Dlibata-eh.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-eh.c - libata error handling
8 * as Documentation/driver-api/libata.rst
11 * http://www.sata-io.org/
59 /* Waiting in ->prereset can never be reliable. It's
97 15000, /* Some drives are slow to read log pages when waking-up */
135 * ehc->cmd_timeout_idx keeps track of which timeout to use per
178 ehi->desc_len += vscnprintf(ehi->desc + ehi->desc_len, in __ata_ehi_pushv_desc()
179 ATA_EH_DESC_LEN - ehi->desc_len, in __ata_ehi_pushv_desc()
184 * __ata_ehi_push_desc - push error description without adding separator
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/linux/tools/testing/ktest/
H A Dktest.pl1 #!/usr/bin/perl -w
2 # SPDX-License-Identifier: GPL-2.0-only
4 # Copyright 2010 - Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
69 "GRUB_REBOOT" => "grub2-reboot",
70 "GRUB_BLS_GET" => "grubby --info=ALL",
78 "LOCALVERSION" => "-test",
81 "TARGET_IMAGE" => "/boot/vmlinuz-test",
430 i.e. -j20
441 …POWER_CYCLE = wget --no-proxy -O /dev/null -q --auth-no-challenge 'http://admin:admin\@power/outl…
452 CONSOLE = nc -d localhost 3001
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/linux/fs/btrfs/
H A Dtree-log.c1 // SPDX-License-Identifier: GPL-2.0
13 #include "tree-log.h"
14 #include "disk-io.h"
19 #include "block-group.h"
20 #include "space-info.h"
21 #include "inode-item.h"
24 #include "extent-tree.h"
25 #include "root-tree.h"
26 #include "dir-item.h"
27 #include "file-item.h"
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/linux/fs/ntfs3/
H A Dattrib.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved.
47 align_shift = NTFS_MIN_LOG2_OF_CLUMP - 1 + in get_pre_allocated()
52 ret = (((size + clump - 1) >> align_shift)) << align_shift; in get_pre_allocated()
58 * attr_load_runs - Load all runs stored in @attr.
64 CLST svcn = le64_to_cpu(attr->nres.svcn); in attr_load_runs()
65 CLST evcn = le64_to_cpu(attr->nres.evcn); in attr_load_runs()
73 return -EINVAL; in attr_load_runs()
75 asize = le32_to_cpu(attr->size); in attr_load_runs()
76 run_off = le16_to_cpu(attr->nres.run_off); in attr_load_runs()
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/linux/tools/power/pm-graph/
H A Dsleepgraph.py2 # SPDX-License-Identifier: GPL-2.0-only
21 # https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/overview.html
23 # git@github.com:intel/pm-graph
51 # ---
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/linux/arch/x86/events/intel/
H A Dcore.c1 // SPDX-License-Identifier: GPL-2.0-only
23 #include <asm/intel-family.h>
43 [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */
70 INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
386 * Generally event codes < 0x90 are restricted to counters 0-3.
531 EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x0b,umask=0x10,ldlat=3");
532 EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3");
533 EVENT_ATTR_STR(mem-stores, mem_st_snb, "event=0xcd,umask=0x2");
554 EVENT_ATTR_STR_HT(topdown-total-slots, td_total_slots,
557 EVENT_ATTR_STR_HT(topdown-total-slots.scale, td_total_slots_scale, "4", "2");
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt39 Documentation/arch/m68k/kernel-options.rst.
48 PARISC The PA-RISC architecture is enabled.
64 the Documentation/scsi/ sub-directory.
84 X86-32 X86-32, aka i386 architecture is enabled.
85 X86-64 X86-64 architecture is enabled.
86 X86 Either 32-bit or 64-bit x86 (same as X86-3
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/linux/mm/
H A Dslub.c1 // SPDX-License-Identifier: GPL-2.0
40 #include <linux/fault-inject.h>
48 #include <kunit/test-bug.h>
62 * 2a. kmem_cache->cpu_sheaves->lock (Local trylock)
63 * 2b. barn->lock (Spinlock)
64 * 2c. node->list_lock (Spinlock)
82 * A. slab->freelist -> List of free objects in a slab
83 * B. slab->inuse -> Number of objects in use
84 * C. slab->objects -> Number of objects in slab
85 * D. slab->frozen -> frozen state
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