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/linux/include/linux/mfd/wm8994/
H A Dpdata.h109 * Microphone detection rates, used to tune response rates and power
110 * consumption for WM8958/WM1811 microphone detection.
160 /* Power up delays to add after microphone bias power up (ms) */
172 /* Delay between detecting a jack and starting microphone
177 /* Delay between microphone detect completing and reporting on
182 /* IRQ for microphone detection if brought out directly as a
187 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
198 /* WM8958 microphone bias configuration */
201 /* WM8958 microphone detection ranges */
/linux/include/sound/sof/
H A Ddai-intel.h58 /* DMIC max. four controllers for eight microphone channels */
115 * Normally it is sufficient to set the used microphone specific enables to 1
119 * and/or the absolute polarity matters the PCM signal from a microphone
151 * of the microphone.
153 * Note: The microphone clock (pdmclk_min, pdmclk_max, duty_min, duty_max)
154 * parameters need to be set as defined in microphone data sheet. E.g. clock
164 * The microphone clock needs to be usually about 50-80 times the used audio
168 * The parameter wake_up_time describes how long time the microphone needs
180 uint32_t pdmclk_min; /**< Minimum microphone clock in Hz (100000..N) */
181 uint32_t pdmclk_max; /**< Maximum microphone clock in Hz (min...N) */
/linux/Documentation/ABI/testing/
H A Dsysfs-platform-dell-privacy-wmi13 Microphone Mute:
14 Identifies the local microphone can be muted by hardware, no applications
33 [Microphone Mute] [supported]
48 Microphone:
49 Identifies the local microphone can be muted by hardware, no applications
70 [Microphone] [unmuted]
/linux/include/linux/platform_data/
H A Dadau17x1.h13 * enum adau17x1_micbias_voltage - Microphone bias voltage
26 * digital microphone input.
74 * @micbias_voltage: Microphone voltage bias
95 * @use_dmic: If true configure the MIC pins as digital microphone pins instead
96 * of analog microphone pins.
97 * @micbias_voltage: Microphone voltage bias
/linux/Documentation/devicetree/bindings/extcon/
H A Dwlf,arizona.yaml52 Additional software microphone detection debounce specified in
64 Time allowed for MICBIAS to startup prior to performing microphone
72 Delay between successive microphone detection measurements, specified
80 Microphone detection hardware debounces specified as the number of
87 Timeout for microphone detection, specified in milliseconds.
91 Force MICBIAS continuously on during microphone detection.
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-kontron-samx6i-ads2.dtsi23 "Microphone", "Microphone Jack",
32 "Microphone Jack", "MICBIAS",
33 "IN2L", "Microphone Jack",
34 "IN2R", "Microphone Jack";
/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1028a-kontron-sl28-var3-ads2.dts41 "Microphone", "Microphone Jack",
50 "Microphone Jack", "MICBIAS",
51 "IN2L", "Microphone Jack",
52 "IN2R", "Microphone Jack";
H A Dfsl-ls1012a-oxalis.dts35 "Microphone", "Microphone Jack",
40 "MIC_IN", "Microphone Jack",
41 "Microphone Jack", "Mic Bias",
H A Dfsl-ls1012a-frdm.dts41 "Microphone", "Microphone Jack",
46 "MIC_IN", "Microphone Jack",
47 "Microphone Jack", "Mic Bias",
/linux/arch/arm64/boot/dts/allwinner/
H A Dsun50i-a64-olinuxino.dts346 simple-audio-card,widgets = "Microphone", "Microphone Jack Left",
347 "Microphone", "Microphone Jack Right",
354 "Microphone Jack Left", "MBIAS",
355 "MIC1", "Microphone Jack Left",
356 "Microphone Jack Right", "MBIAS",
357 "MIC2", "Microphone Jack Right";
H A Dsun50i-a64-bananapi-m64.dts331 "Microphone", "Microphone Jack",
332 "Microphone", "Onboard Microphone";
339 "MIC2", "Microphone Jack",
340 "Onboard Microphone", "MBIAS",
341 "MIC1", "Onboard Microphone";
H A Dsun50i-a64-pinetab.dts443 simple-audio-card,widgets = "Microphone", "Internal Microphone Left",
444 "Microphone", "Internal Microphone Right",
457 "Internal Microphone Left", "MBIAS",
458 "MIC1", "Internal Microphone Left",
459 "Internal Microphone Right", "HBIAS",
460 "MIC2", "Internal Microphone Right";
H A Dsun50i-a64-orangepi-win.dts330 "Microphone", "Microphone Jack",
331 "Microphone", "Onboard Microphone";
338 "MIC2", "Microphone Jack",
339 "Onboard Microphone", "MBIAS",
340 "MIC1", "Onboard Microphone";
/linux/Documentation/devicetree/bindings/sound/
H A Dwidgets.txt10 "Microphone", "Line", "Headphone" and "Speaker".
16 "Microphone", "Microphone Jack",
H A Dmicrochip,sama7g5-pdmc.yaml7 title: Microchip Pulse Density Microphone Controller
13 The Microchip Pulse Density Microphone Controller (PDMC) interfaces up to 4
52 or falling) of the CLK line. A microphone is represented as a pair of DS
53 line and the sampling edge. The first microphone is mapped to channel 0,
H A Dnvidia,tegra-audio-common.yaml65 description: The GPIO that detect microphone is plugged in
73 description: The GPIO that enables the internal microphone
77 description: The GPIO that enables the external microphone
81 description: The Mic Jack represents state of the headset microphone pin
H A Dsamsung,midas-audio.yaml51 description: Supply for the micbias on the Main microphone
54 description: Supply for the micbias on the Sub microphone
57 description: Supply for the micbias on the Headset microphone
87 (with microphone/button) headsets. If the IO channel value is
/linux/include/sound/
H A Dmax98090.h14 /* Analog/digital microphone configuration:
15 * 0 = analog microphone input (normal setting)
16 * 1 = digital microphone input
H A Dmax98088.h36 /* Analog/digital microphone configuration:
37 * 0 = analog microphone input (normal setting)
38 * 1 = digital microphone input
H A Dmax98095.h41 /* Analog/digital microphone configuration:
42 * 0 = analog microphone input (normal setting)
43 * 1 = digital microphone input
/linux/sound/soc/codecs/
H A Dssm2602.h70 #define APANA_ENABLE_MIC_BOOST 0x001 /* Primary Microphone Amplifier gain booster contr…
71 #define APANA_ENABLE_MIC_MUTE 0x002 /* Microphone Mute Control …
72 #define APANA_ADC_IN_SELECT 0x004 /* Microphone/Line IN select to ADC (1=MIC, 0=Line…
77 #define APANA_ENABLE_MIC_BOOST2 0x100 /* Secondary Microphone Amplifier gain booster con…
89 #define PWR_MIC_PDN 0x002 /* Microphone Input & Bias Power Down …
/linux/sound/soc/ti/
H A Dams-delta.c47 SND_SOC_DAPM_MIC("Microphone", NULL),
56 {"MIC", NULL, "Microphone"},
138 if (pin != snd_soc_dapm_get_pin_status(dapm, "Microphone")) { in ams_delta_set_audio_mode()
141 snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone"); in ams_delta_set_audio_mode()
143 snd_soc_dapm_disable_pin_unlocked(dapm, "Microphone"); in ams_delta_set_audio_mode()
183 pins |= (snd_soc_dapm_get_pin_status(dapm, "Microphone") << in ams_delta_get_audio_mode()
186 pins = ((snd_soc_dapm_get_pin_status(dapm, "Microphone") << in ams_delta_get_audio_mode()
237 .pin = "Microphone",
323 snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone"); in cx81801_close()
/linux/arch/arm/boot/dts/nxp/ls/
H A Dls1021a-iot.dts40 "Microphone", "Microphone Jack",
45 "MIC_IN", "Microphone Jack",
46 "Microphone Jack", "Mic Bias",
H A Dls1021a-twr.dts38 "Microphone", "Microphone Jack",
43 "MIC_IN", "Microphone Jack",
44 "Microphone Jack", "Mic Bias",
/linux/sound/soc/sunxi/
H A Dsun50i-codec-analog.c208 /* Microphone Amp boost gain */
218 /* Microphone Amp boost gain */
372 /* Microphone inputs */
375 /* Microphone Bias */
384 /* Microphone input */
387 /* Microphone Bias */
467 /* Microphone Routes */
470 /* Microphone Routes */

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