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/linux/Documentation/devicetree/bindings/sound/
H A Dti,ts3a227e.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Dylan Reid <dgreid@chromium.org>
14 The TS3A227E detect headsets of 3-ring and 4-ring standards and
22 - ti,ts3a227e
34 - 0 # 2.1 V
35 - 1 # 2.2 V
36 - 2 # 2.3 V
37 - 3 # 2.4 V
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/linux/drivers/input/keyboard/
H A Dmax7359_keypad.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * max7359_keypad.c - MAX7359 Key Switch Controller Driver
10 * Datasheet: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/5456
47 * Autosleep register values (ms)
69 dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", in max7359_write_reg()
79 dev_err(&client->dev, "%s: reg 0x%x, err %d\n", in max7359_read_reg()
84 /* runs in an IRQ thread -- can (and will!) sleep */
88 struct input_dev *input_dev = keypad->input_dev; in max7359_interrupt()
89 int val, row, col, release, code; in max7359_interrupt() local
91 val = max7359_read_reg(keypad->client, MAX7359_REG_KEYFIFO); in max7359_interrupt()
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H A Domap4-keypad.c1 // SPDX-License-Identifier: GPL-2.0-or-later
54 * Errata i689: If a key is released for a time shorter than debounce time,
55 * the keyboard will idle and never detect the key release. The workaround
56 * is to use at least a 12ms debounce time. See omap5432 TRM chapter
61 ((((dbms) * 1000) / ((1 << ((ptv) + 1)) * (1000000 / 32768))) - 1)
92 return __raw_readl(keypad_data->base + in kbd_readl()
93 keypad_data->reg_offset + offset); in kbd_readl()
99 keypad_data->base + keypad_data->reg_offset + offset); in kbd_writel()
104 return __raw_readl(keypad_data->base + in kbd_read_irqreg()
105 keypad_data->irqreg_offset + offset); in kbd_read_irqreg()
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H A Dtegra-kbc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (c) 2009-2011, NVIDIA Corporation.
156 val = readl(kbc->mmio + KBC_KP_ENT0_0 + i); in tegra_kbc_report_keys()
165 keycodes[num_down] = kbc->keycode[scancode]; in tegra_kbc_report_keys()
167 if ((keycodes[num_down] == KEY_FN) && kbc->use_fn_map) in tegra_kbc_report_keys()
178 * Ghosting occurs if there are 3 keys such that - in tegra_kbc_report_keys()
182 if (kbc->use_ghost_filter && num_down >= 3) { in tegra_kbc_report_keys()
190 * and the other is in the same column as the i-th key. in tegra_kbc_report_keys()
210 scancodes[i] += kbc->max_keys; in tegra_kbc_report_keys()
211 keycodes[i] = kbc->keycode[scancodes[i]]; in tegra_kbc_report_keys()
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/linux/Documentation/devicetree/bindings/input/
H A Dmediatek,mt6779-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/mediatek,mt6779-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mattijs Korpershoek <mkorpershoek@kernel.org>
13 - $ref: /schemas/input/matrix-keymap.yaml#
16 Mediatek's Keypad controller is used to interface a SoC with a matrix-type
19 The keypad controller can sense a key-press and key-release and report the
25 - const: mediatek,mt6779-keypad
26 - items:
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/linux/sound/soc/codecs/
H A Dcs42l43-jack.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (C) 2022-2023 Cirrus Logic, Inc. and
15 #include <linux/mfd/cs42l43-regs.h>
26 #include <sound/soc-component.h>
27 #include <sound/soc-jack.h>
50 struct cs42l43 *cs42l43 = priv->core; in cs42l43_find_index()
53 ret = device_property_read_u32(cs42l43->dev, prop, &defval); in cs42l43_find_index()
54 if (ret != -EINVA in cs42l43_find_index()
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H A Dwcd-mbhc-v2.c1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
14 #include "wcd-mbhc-v2.h"
76 /* Holds type of Headset - Mono/Stereo */
78 /* Holds mbhc detection method - ADC/Legacy */
85 if (!mbhc->fields[field].reg) in wcd_mbhc_write_field()
88 return snd_soc_component_write_field(mbhc->component, in wcd_mbhc_write_field()
89 mbhc->fields[field].reg, in wcd_mbhc_write_field()
90 mbhc->fields[field].mask, val); in wcd_mbhc_write_field()
95 if (!mbhc->fields[field].reg) in wcd_mbhc_read_field()
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H A Dmax98388.c1 // SPDX-License-Identifier: GPL-2.0
75 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in max98388_dac_event()
80 regmap_write(max98388->regmap, in max98388_dac_event()
85 regmap_write(max98388->regmap, in max98388_dac_event()
88 max98388->tdm_mode = false; in max98388_dac_event()
131 static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
132 static DECLARE_TLV_DB_SCALE(max98388_amp_gain_tlv, -300, 300, 0);
135 "0dBFS", "-1dBFS", "-2dBFS", "-3dBFS", "-4dBFS", "-5dBFS",
136 "-6dBFS", "-7dBFS", "-8dBFS", "-9dBFS", "-10dBFS", "-11dBFS",
137 "-12dBFS", "-13dBFS", "-14dBFS", "-15dBFS"
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H A Dda7218.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * da7218.c - DA7218 ALSA SoC Codec Driver
22 #include <sound/soc-dapm.h>
37 static const DECLARE_TLV_DB_SCALE(da7218_mic_gain_tlv, -600, 600, 0);
38 static const DECLARE_TLV_DB_SCALE(da7218_mixin_gain_tlv, -450, 150, 0);
39 static const DECLARE_TLV_DB_SCALE(da7218_in_dig_gain_tlv, -8325, 75, 0);
40 static const DECLARE_TLV_DB_SCALE(da7218_ags_trigger_tlv, -9000, 600, 0);
42 static const DECLARE_TLV_DB_SCALE(da7218_alc_threshold_tlv, -9450, 150, 0);
47 static const DECLARE_TLV_DB_SCALE(da7218_dmix_gain_tlv, -4200, 150, 0);
50 static const DECLARE_TLV_DB_SCALE(da7218_dgs_trigger_tlv, -9450, 150, 0);
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/linux/drivers/input/misc/
H A Diqs7222.c1 // SPDX-License-Identifier: GPL-2.0-or-later
116 [IQS7222_REG_GRP_CYCLE] = "cycle-%d",
117 [IQS7222_REG_GRP_CHAN] = "channel-%d",
118 [IQS7222_REG_GRP_SLDR] = "slider-%d",
120 [IQS7222_REG_GRP_GPIO] = "gpio-%d",
150 .name = "event-prox",
155 .name = "event-touch",
162 { .name = "event-press", },
164 .name = "event-tap",
171 .name = "event-swipe-pos",
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/linux/drivers/input/touchscreen/
H A Diqs7211.c1 // SPDX-License-Identifier: GPL-2.0-or-later
52 * The following delay is used during instances that must wait for the open-
124 .name = "event-prox",
131 .name = "event-touch",
138 .name = "event-tap",
145 .name = "event-hold",
152 .name = "event-swipe-x-neg",
159 .name = "event-swipe-x-pos",
166 .name = "event-swipe-y-pos",
173 .name = "event-swipe-y-neg",
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/linux/drivers/gpu/drm/bridge/analogix/
H A Danx7625.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 /* Loading OCM re-trying times */
138 /* HPD debounce time 2ms for 27M clock */
149 #define HFP_HBP_DEF ((HBLANKING_MIN - SYNC_LEN_DEF) / 2)
229 #define CLK_1MEG_RB 6 /* 1MHz clock reset; 0=reset, 0=reset release */
251 #define DPCD_CMD(len, cmd) ((((len) - 1) << LENGTH_SHIFT) | (cmd))
254 /* 0x01: frame packing, 0x02:Line alternative, 0x03:Side-by-side(full) */
304 /* Bit[1:0]: test point output select - */
312 /* Bit[5:4]: VCO metal capacitance - */
313 /* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
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/linux/drivers/extcon/
H A Dextcon-rtk-type-c.c1 // SPDX-License-Identifier: GPL-2.0
3 * * extcon-rtk-type-c.c - Realtek Extcon Type C driver
22 #include <linux/extcon-provider.h>
24 #include <linux/nvmem-consumer.h>
73 u32 debounce; /* 1b,1us 7f,4.7us */ member
221 #define DETECT_TIME 50 /* ms */
243 void __iomem *reg = type_c->reg_base + USB_TYPEC_CTRL_CC1_0; in rtd129x_switch_type_c_plug_config()
263 dev_err(type_c->dev, "%s: Error cc setting cc=0x%x\n", __func__, cc); in rtd129x_switch_type_c_plug_config()
264 return -EINVAL; in rtd129x_switch_type_c_plug_config()
271 dev_dbg(type_c->dev, "%s: cc=0x%x val_cc=0x%x usb_typec_ctrl_cc1_0=0x%x\n", in rtd129x_switch_type_c_plug_config()
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/linux/drivers/usb/core/
H A Dhub.c1 // SPDX-License-Identifier: GPL-2.0
66 * The SET_ADDRESS request timeout will be 500 ms when
69 #define USB_SHORT_SET_ADDRESS_REQ_TIMEOUT 500 /* ms */
72 * Give SS hubs 200ms time after wake to train downstream links before
75 #define USB_SS_PORT_U0_WAKE_TIME 200 /* ms */
77 /* Protect struct usb_device->state and ->children members
78 * Note: Both are also protected by ->dev.sem, except that ->state can
86 /* synchronize hub-port add/remove and peering operations */
96 * 10 seconds to send reply for the initial 64-byte descriptor request.
98 /* define initial 64-byte descriptor request timeout in milliseconds */
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/linux/include/linux/greybus/
H A Dgreybus_protocols.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
3 * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
4 * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
14 /* SVC switch-port device ids */
43 * endian. Any operation-specific data begins immediately after the
237 /* firmware download release firmware request */
241 /* firmware download release firmware response has no payload */
374 #define GB_BOOTROM_TYPE_AP_READY 0x05 /* Request with no-payload */
375 #define GB_BOOTROM_TYPE_GET_VID_PID 0x06 /* Request with no-payload */
663 * The data for each write (master -> slave) op in the array is sent
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/linux/drivers/usb/typec/tcpm/
H A Dtcpm.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2015-2017 Google, Inc
213 VDM_STATE_ERR_BUSY = -3,
214 VDM_STATE_ERR_SEND = -2,
215 VDM_STATE_ERR_TMOUT = -1,
244 * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
329 * @sink_wait_cap_time: Deadline (in ms) for tTypeCSinkWaitCap timer
330 * @ps_src_wait_off_time: Deadline (in ms) for tPSSourceOff timer
331 * @cc_debounce_time: Deadline (in ms) for tCCDebounce timer
537 * SNK_READY for non-pd link.
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/linux/drivers/net/wan/
H A Dfarsync.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Actually sync driver for X.21, V.35 and V.24 on FarSync T-series cards
6 * Copyright (C) 2001-2004 FarSite Communications Ltd.
35 MODULE_DESCRIPTION("FarSync T-Series WAN driver. FarSite Communications Ltd.");
71 #define ARPHRD_MYTYPE ARPHRD_HDLC /* Cisco-HDLC (keepalives etc) */
94 * file. Unfortunately various name clashes and the non-portability of the
163 #define cnv_bcnt(len) (-(len))
320 * within 2mS (I guess NT has problems)
336 /* Adapter debounce timers. Don't touch */
346 u16 cardMode; /* Bit-mask to enable features:
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nocmcff -- Disable firmware first mode for corrected
28 nospcr -- disable console in ACPI SPCR table as
45 If set to vendor, prefer vendor-specific driver
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/linux/drivers/infiniband/hw/hfi1/
H A Dchip.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright(c) 2015 - 2020 Intel Corporation.
32 MODULE_PARM_DESC(num_vls, "Set number of Virtual Lanes to use (1-8)");
78 #define SEC_SC_HALTED 0x4 /* per-context only */
79 #define SEC_SPC_FREEZE 0x8 /* per-HFI only */
87 * 0 - User Fecn Handling
88 * 1 - Vnic
89 * 2 - AIP
90 * 3 - Verbs
101 #define emulator_rev(dd) ((dd)->irev >> 8)
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