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/linux/sound/soc/codecs/
H A DKconfig663 tristate "Awinic AW8738 Audio Amplifier"
666 Enable support for the Awinic AW8738 audio amplifier (or similar).
685 digital Smart K audio amplifier with an integrated 10V
697 digital Smart K audio amplifier with sound quality
709 digital Smart K audio amplifier. The output voltage of
721 digital Smart K audio amplifier. Due to its 9uV noise
733 noise, constant large volume, 6th Smart K audio amplifier.
745 digital Smart K audio amplifier and SKTune speaker
751 Enable support for ROHM BD28623MUV Class D speaker amplifier.
794 amplifier librar
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H A Dsimple-amplifier.c12 #define DRV_NAME "simple-amplifier"
92 { .compatible = "simple-audio-amplifier", },
108 MODULE_DESCRIPTION("ASoC Simple Audio Amplifier driver");
H A Des8328.h246 /* LOUT1 Amplifier */
251 /* ROUT1 Amplifier */
258 /* LOUT2 Amplifier */
263 /* ROUT2 Amplifier */
270 /* Mono Out Amplifier */
/linux/Documentation/sound/codecs/
H A Dcs35l56.rst48 The amplifier is controlled and managed by firmware running on the internal
50 amplifier.
55 On most SoundWire systems the amplifier has a default minimum capability to
74 Each amplifier requires two firmware files. One file has a .wmfw suffix, the
119 * cs35lxx-b0 is the amplifier model and silicon revision. This information
124 * ampN is the amplifier number (for example amp1). This is the same as
161 each amplifier)::
180 each amplifier)::
195 amplifier.
197 * The actual amplifier type and silicon revision (CS35L56 B0 in this
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/linux/Documentation/devicetree/bindings/sound/
H A Dti,tas2781.yaml15 amplifier optimized for efficiently driving high peak power into
17 The TAS257x is mono, digital input Class-D audio amplifier optimized
22 amplifier optimized for efficiently driving high peak power into
28 digital input Class-D audio amplifier optimized for efficiently driving
32 Specifications about the audio amplifier can be found at:
62 ti,tas2563: 6.1-W Boosted Class-D Audio Amplifier With Integrated
77 ti,tas2781: 24-V Class-D Amplifier with Real Time Integrated Speaker
82 Audio Amplifier with 96-Khz Extended Processing and Low Idle Power
86 Class-D Audio Amplifier with Enhanced Processing and Low Power
90 Class-D Audio Amplifier with Enhanced Processing and DirectPath(TM)
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H A Dsimple-audio-amplifier.yaml4 $id: http://devicetree.org/schemas/sound/simple-audio-amplifier.yaml#
7 title: Simple Audio Amplifier
19 - simple-audio-amplifier
39 analog-amplifier {
40 compatible = "simple-audio-amplifier";
H A Dnokia,rx51.txt8 - nokia,headphone-amplifier: phandle for the TPA6130A2 node
12 - speaker-amplifier-gpios: GPIO for speaker amplifier
21 nokia,headphone-amplifier = <&tpa6130a2>;
26 speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>;
H A Dcs35l36.txt1 CS35L36 Speaker Amplifier
33 one amplifier in the system. If more than one it is best to Hi-Z the ASP
43 - cirrus,amp-pcm-inv : Boolean to determine Amplifier will invert incoming
46 - cirrus,imon-pol-inv : Boolean to determine Amplifier will invert the
49 - cirrus,vmon-pol-inv : Boolean to determine Amplifier will invert the
73 - cirrus,classh-weak-fet-thld-millivolt : Weak-FET amplifier drive threshold.
77 - cirrus,temp-warn-threshold : Amplifier overtemperature warning threshold.
H A Dawinic,aw8738.yaml7 title: Awinic AW8738 Audio Amplifier
13 The Awinic AW8738 is a simple audio amplifier with different operation modes
15 function (primarily the power limit for the amplifier).
49 audio-amplifier {
H A Drichtek,rt9123.yaml7 title: Richtek RT9123/RTQ9124 Audio Amplifier
13 RT9123 is a 3.2W mono Class-D audio amplifier that features high efficiency
19 power amplifier that supports a 2.1MHz switching frequency. It integrates
57 amplifier@5e {
H A Dadi,max98396.yaml7 title: Analog Devices MAX98396 Speaker Amplifier
13 The MAX98396 is a mono Class-DG speaker amplifier with I/V sense.
85 speaker amplifier. Once a data error is detected, the data monitor
99 speaker amplifier. Once a data error is detected, the data monitor
130 max98396: amplifier@39 {
H A Dirondevice,sma1303.yaml7 title: Iron Device SMA1303 Audio Amplifier
13 SMA1303 digital class-D audio amplifier
43 amplifier@1e {
H A Dmaxim,max98357a.yaml7 title: Maxim Integrated MAX98357A/MAX98360A amplifier
14 input Class D amplifier.
48 amplifier {
H A Dti,tas5805m.yaml7 title: TAS5805M audio amplifier
13 The TAS5805M is a class D audio amplifier with a built-in DSP.
23 I2C address of the amplifier. See the datasheet for possible values.
H A Dqcom,wsa881x.yaml7 title: Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
13 WSA8810 is a class-D smart speaker amplifier and WSA8815
14 is a high-output power class-D smart speaker amplifier.
H A Dadi,max98388.yaml7 title: Analog Devices MAX98388 Speaker Amplifier
13 The MAX98388 is a mono Class-D speaker amplifier with I/V feedback.
70 max98388: amplifier@39 {
H A Dcs35l33.txt1 CS35L33 Speaker Amplifier
15 - reset-gpios : gpio used to reset the amplifier
29 begins to when the amplifier disables the PWM outputs. If this property
49 controls the amplifier supplies.
H A Datmel,sama5d2-classd.yaml8 title: Atmel ClassD Amplifier
16 The Audio Class D Amplifier (CLASSD) is a digital input, Pulse Width
17 Modulated (PWM) output stereo Class D amplifier.
/linux/arch/arm64/boot/dts/rockchip/
H A Drk3588-firefly-itx-3588j.dts57 "Speaker Amplifier INL", "LOUT2",
58 "Speaker Amplifier INR", "ROUT2",
59 "Speaker", "Speaker Amplifier OUTL",
60 "Speaker", "Speaker Amplifier OUTR",
61 "Headphones Amplifier INL", "LOUT1",
62 "Headphones Amplifier INR", "ROUT1",
63 "Headphones", "Headphones Amplifier OUTL",
64 "Headphones", "Headphones Amplifier OUTR",
86 * this does not seem to be a proper "amplifier" but is just
90 amp_headphones: headphones-audio-amplifier {
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H A Drk3588s-evb1-v10.dts61 amp_headphone: amplifier-headphone {
62 compatible = "simple-audio-amplifier";
66 sound-name-prefix = "Headphones Amplifier";
69 amp_speaker: amplifier-speaker {
70 compatible = "simple-audio-amplifier";
74 sound-name-prefix = "Speaker Amplifier";
90 "Speaker Amplifier INL", "LOUT2",
91 "Speaker Amplifier INR", "ROUT2",
92 "Speaker", "Speaker Amplifier OUTL",
93 "Speaker", "Speaker Amplifier OUTR",
[all …]
/linux/sound/soc/sunxi/
H A Dsun50i-codec-analog.c381 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN50I_ADDA_MIC1_CTRL,
394 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN50I_ADDA_MIC2_CTRL,
419 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
420 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
426 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
427 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
433 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
434 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
440 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
441 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
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H A Dsun8i-codec-analog.c242 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
286 { "Mic1 Amplifier", NULL, "MIC1"},
293 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
298 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
303 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
308 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
353 * Need a delay to have the amplifier up. 700ms seems the best in sun8i_headphone_amp_event()
354 * compromise between the time to let the amplifier up and the in sun8i_headphone_amp_event()
617 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
622 { "Mic2 Amplifier", NUL
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/linux/drivers/input/misc/
H A Dpwm-beeper.c21 struct regulator *amplifier; member
47 error = regulator_enable(beeper->amplifier); in pwm_beeper_on()
62 regulator_disable(beeper->amplifier); in pwm_beeper_off()
148 beeper->amplifier = devm_regulator_get(dev, "amp"); in pwm_beeper_probe()
149 if (IS_ERR(beeper->amplifier)) in pwm_beeper_probe()
150 return dev_err_probe(dev, PTR_ERR(beeper->amplifier), in pwm_beeper_probe()
/linux/Documentation/devicetree/bindings/iio/amplifiers/
H A Dadi,ada4250.yaml7 title: ADA4250 Programmable Gain Instrumentation Amplifier
13 Precision Low Power, 110kHz, 26uA, Programmable Gain Instrumentation Amplifier.
45 amplifier@0 {
/linux/drivers/iio/adc/
H A Dmax9611.c5 * Maxim max9611/max9612 high side current sense amplifier with
13 * amplifier with programmable gains and die temperature reading from
48 * max9611 current sense amplifier voltage output:
140 * on current sense amplifier path to ADC interface.
249 * max9611_read_csa_voltage() - read current sense amplifier output voltage
251 * Current sense amplifier output voltage is read through a configurable
562 MODULE_DESCRIPTION("Maxim max9611/12 current sense amplifier with 12bit ADC");

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