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/linux/Documentation/iio/
H A Dad4695.rst1 .. SPDX-License-Identifier: GPL-2.0-only
26 ----------------
30 4-wire mode
35 .. code-block::
37 +-------------+ +-------------+
38 | CS |<-+------| CS |
39 | CNV |<-+ | |
42 | SDI |<--------| SDO |
43 | SDO |-------->| SDI |
44 | SCLK |<--------| SCLK |
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/linux/Documentation/devicetree/bindings/hwmon/
H A Dti,adc128d818.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Javier Carrasco <javier.carrasco.cruz@gmail.com>
14 The ADC128D818 is a 12-Bit, 8-Channel Analog to Digital Converter (ADC)
31 Mode 0 - 7 single-ended voltage readings (IN0-IN6), 1 temperature
33 Mode 1 - 8 single-ended voltage readings (IN0-IN7), no temperature.
34 Mode 2 - 4 pseudo-differential voltage readings
35 (IN0-IN1, IN3-IN2, IN4-IN5, IN7-IN6), 1 temperature reading (internal).
36 Mode 3 - 4 single-ended voltage readings (IN0-IN3), 2 pseudo-differential
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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad4695.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
14 A family of similar multi-channel analog to digital converters with SPI bus.
21 $ref: /schemas/spi/spi-peripheral-props.yaml#
26 - adi,ad4695
27 - adi,ad4696
28 - adi,ad4697
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/linux/Documentation/hwmon/
H A Dasb100.rst6 * Asus ASB100 and ASB100-A "Bach"
17 -----------
19 This driver implements support for the Asus ASB100 and ASB100-A "Bach".
21 supply a datasheet for these chips. Thanks go to many people who helped
30 these, the ASB100-A also implements a single PWM controller for fans 2 and
48 - 0x0001 => in0 (?)
49 - 0x0002 => in1 (?)
50 - 0x0004 => in2
51 - 0x0008 => in3
52 - 0x0010 => temp1 [1]_
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H A Dbt1-pvt.rst1 .. SPDX-License-Identifier: GPL-2.0-only
3 Kernel driver bt1-pvt
8 * Baikal-T1 PVT sensor (in SoC)
10 Prefix: 'bt1-pvt'
12 Addresses scanned: -
21 -----------
24 embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
26 monitor the chip internal environment like heating, supply voltage and
29 compile-time configurable due to the hardware interface implementation
40 in alarm-less configuration the data conversion is performed by the driver
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H A Dit87.rst174 - Christophe Gauthron
175 - Jean Delvare <jdelvare@suse.de>
179 -----------------
184 by either the battery or the onboard power supply. Only the first reading
192 misconfigured by BIOS - PWM values would be inverted. This option tries
209 Provided since there are reports that system-wide acpi_enfore_resources=lax
217 -------------------
219 All the chips supported by this driver are LPC Super-I/O chips, accessed
220 through the LPC bus (ISA-like I/O ports). The IT8712F additionally has an
228 -----------
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/linux/drivers/regulator/
H A Dmax8907-regulator.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * max8907-regulator.c -- support regulators in max8907
5 * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
6 * Copyright (C) 2010-2012, NVIDIA CORPORATION. All rights reserved.
8 * Portions based on drivers/regulator/tps65910-regulator.c,
46 #define REG_LDO(ids, supply, base, min, max, step) \ argument
49 .supply_name = supply, \
51 .n_voltages = ((max) - (min)) / (step) + 1, \
63 #define REG_FIXED(ids, supply, voltage) \ argument
66 .supply_name = supply, \
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/linux/sound/soc/codecs/
H A Dcs530x.c1 // SPDX-License-Identifier: GPL-2.0
28 "vdd-a",
29 "vdd-io",
112 struct regmap *regmap = cs530x->regmap; in cs530x_put_volsw_vu()
130 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1270, 50, 0);
133 "Min Phase Slow Roll-off",
134 "Min Phase Fast Roll-off",
135 "Linear Phase Slow Roll-off",
136 "Linear Phase Fast Roll-off",
201 SOC_SINGLE_EXT_TLV("IN3 Volume", CS530X_IN_VOL_CTRL2_0, 0, 255, 1,
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H A Dwm2200.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm2200.c -- WM2200 ALSA SoC Audio driver
163 { 0x000B, 0x0000 }, /* R11 - Tone Generator 1 */
164 { 0x0102, 0x0000 }, /* R258 - Clocking 3 */
165 { 0x0103, 0x0011 }, /* R259 - Clocking 4 */
166 { 0x0111, 0x0000 }, /* R273 - FLL Control 1 */
167 { 0x0112, 0x0000 }, /* R274 - FLL Control 2 */
168 { 0x0113, 0x0000 }, /* R275 - FLL Control 3 */
169 { 0x0114, 0x0000 }, /* R276 - FLL Control 4 */
170 { 0x0116, 0x0177 }, /* R278 - FLL Control 6 */
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H A Dwm5100.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm5100.c -- WM5100 ALSA SoC Audio driver
5 * Copyright 2011-2 Wolfson Microelectronics plc
130 dev_err(component->dev, "Unsupported sample rate: %dHz\n", rate); in wm5100_alloc_sr()
131 return -EINVAL; in wm5100_alloc_sr()
135 if ((wm5100->sysclk % rate) == 0) { in wm5100_alloc_sr()
137 sr_free = -1; in wm5100_alloc_sr()
139 if (!wm5100->sr_ref[i] && sr_free == -1) { in wm5100_alloc_sr()
149 wm5100->sr_ref[i]++; in wm5100_alloc_sr()
150 dev_dbg(component->dev, "SR %dHz, slot %d, ref %d\n", in wm5100_alloc_sr()
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H A Drt5665.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt5665.c -- RT5665/RT5658 ALSA SoC audio codec driver
26 #include <sound/soc-dapm.h>
887 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -2250, 150, 0);
888 static const DECLARE_TLV_DB_SCALE(mono_vol_tlv, -1400, 150, 0);
889 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
890 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
891 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
892 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
894 static const DECLARE_TLV_DB_SCALE(in_bst_tlv, -1200, 75, 0);
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