| /linux-6.12.1/Documentation/devicetree/bindings/sound/ |
| D | samsung,aries-wm8994.yaml | 64 main-micbias-supply:
65 description: Supply for the micbias on the main mic
67 headset-micbias-supply:
68 description: Supply for the micbias on the headset mic
84 description: IO channel to read micbias voltage for headset detection
95 - main-micbias-supply
96 - headset-micbias-supply
114 main-micbias-supply = <&main_micbias_reg>;
115 headset-micbias-supply = <&headset_micbias_reg>;
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| D | ti,tlv320dac3100.yaml | 19 * MICBIAS
63 ai31xx-micbias-vg:
68 MicBias Voltage setting
69 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V
70 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V
71 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
116 ai31xx-micbias-vg = <MICBIAS_2_0V>;
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| D | ti,tlv320aic3x.yaml | 75 ai3x-micbias-vg:
76 description: MicBias required voltage. If node is omitted then MicBias is powered down.
80 description: MICBIAS output is powered to 2.0V.
82 description: MICBIAS output is powered to 2.5V.
84 description: MICBIAS output is connected to AVDD.
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| D | nuvoton,nau8824.yaml | 57 nuvoton,micbias-voltage:
60 Micbias voltage level.
85 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R) where MICBIAS is
86 configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by
179 nuvoton,micbias-voltage = <6>;
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| D | fsl,sgtl5000.yaml | 42 micbias-resistor-k-ohms:
45 mentioned or if the value is unknown, then micbias resistor is set to
49 micbias-voltage-m-volts:
107 micbias-resistor-k-ohms = <2>;
108 micbias-voltage-m-volts = <2250>;
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| D | nuvoton,nau8825.yaml | 63 nuvoton,micbias-voltage:
66 Micbias voltage level.
91 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R) where MICBIAS is
92 configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by
223 nuvoton,micbias-voltage = <6>;
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| D | qcom,pm8916-wcd-analog-codec.yaml | 48 vdd-micbias-supply:
49 description: micbias supply
63 headset when MBHC is powered from micbias.
67 qcom,micbias-lvl:
150 vdd-micbias-supply = <&pm8916_l13>;
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| D | samsung,midas-audio.yaml | 51 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
77 description: IO channel to read micbias voltage for headset detection
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| D | cs42l52.txt | 29 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin
45 cirrus,micbias-lvl = <5>;
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| D | maxim,max98090.yaml | 15 HPL, HPR, SPKL, SPKR, RCVL, RCVR, MICBIAS
46 maxim,micbias:
51 Micbias voltage applied to the analog mic, valid voltages value are:
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| D | cs42l56.txt | 30 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin.
61 cirrus,micbias-lvl = <5>;
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| D | nvidia,tegra-audio-max9808x.yaml | 58 - MICBIAS
79 "MIC1", "MICBIAS",
80 "MICBIAS", "Internal Mic 1",
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| D | adi,adau1977.yaml | 41 adi,micbias:
43 Configures the voltage setting for the MICBIAS pin.
76 adi,micbias = <3>;
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| D | rockchip,rk3308-codec.yaml | 65 rockchip,micbias-avdd-percent:
67 Voltage setting for the MICBIAS pins expressed as a percentage of
70 E.g. if rockchip,micbias-avdd-percent = 85 and AVDD = 3v3, then the
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| D | qcom,wcd9335.yaml | 64 vdd-micbias-supply:
65 description: micbias supply
115 vdd-micbias-supply: false
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| D | dialog,da7219.yaml | 70 dlg,micbias-lvl:
96 dlg,micbias-pulse-lvl:
102 dlg,micbias-pulse-time:
218 dlg,micbias-lvl = <2600>;
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| D | nuvoton,nau8821.yaml | 51 nuvoton,micbias-voltage:
52 description: MICBIAS output level select.
139 nuvoton,micbias-voltage = <6>;
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| D | cs53l30.txt | 20 - cirrus,micbias-lvl : Set the output voltage level on the MICBIAS Pin.
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| D | rt5651.txt | 31 u32, micbias over-current detection threshold in µA, valid values are
35 u32, micbias over-current detection scale-factor, valid values are:
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| /linux-6.12.1/sound/soc/codecs/ |
| D | wcd-mbhc-v2.c | 110 static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias) in wcd_program_btn_threshold() argument
116 mbhc->cfg->num_btn, micbias); in wcd_program_btn_threshold()
124 * Some codecs handle micbias/pullup enablement in codec in wcd_mbhc_curr_micbias_control()
125 * drivers itself and micbias is not needed for regular in wcd_mbhc_curr_micbias_control()
142 /* Disable PULL_UP_EN & enable MICBIAS */ in wcd_mbhc_curr_micbias_control()
144 /* Program Button threshold registers as per MICBIAS */ in wcd_mbhc_curr_micbias_control()
151 /* Program Button threshold registers as per MICBIAS */ in wcd_mbhc_curr_micbias_control()
180 /* MICBIAS usage change */ in wcd_mbhc_event_notify()
205 /* MICBIAS usage change */ in wcd_mbhc_event_notify()
226 /* check if micbias is enabled */ in wcd_mbhc_event_notify()
[all …]
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| /linux-6.12.1/include/dt-bindings/sound/ |
| D | tlv320adc3xxx.h | 23 #define ADC3XXX_MICBIAS_OFF 0 /* Micbias pin powered off */
24 #define ADC3XXX_MICBIAS_2_0V 1 /* Micbias pin set to 2.0V */
25 #define ADC3XXX_MICBIAS_2_5V 2 /* Micbias pin set to 2.5V */
26 #define ADC3XXX_MICBIAS_AVDD 3 /* Use AVDD voltage for micbias pin */
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| /linux-6.12.1/include/sound/ |
| D | da9055.h | 23 /* Selects which of the two MicBias pins acts as the bias source */
25 /* Selects the micbias voltage */
26 enum da9055_micbias_voltage micbias; member
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| D | wm2200.h | 52 /** MICBIAS configurations */
53 struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; member
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| /linux-6.12.1/Documentation/devicetree/bindings/extcon/ |
| D | wlf,arizona.yaml | 64 Time allowed for MICBIAS to startup prior to performing microphone
89 wlf,micd-force-micbias:
91 Force MICBIAS continuously on during microphone detection.
108 The second cell represents the MICBIAS to be used. Zero
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| /linux-6.12.1/Documentation/devicetree/bindings/mfd/ |
| D | cirrus,lochnagar.yaml | 188 cirrus,micbias-input:
190 A property selecting which of the CODEC minicard micbias outputs
214 cirrus,micbias-input:
216 A property selecting which of the CODEC minicard micbias outputs
341 cirrus,micbias-input = <3>;
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