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/linux/sound/soc/mediatek/mt8186/
H A Dmt8186-misc-control.c190 int amplitude; in mt8186_sgen_amplitude_set() local
195 amplitude = ucontrol->value.integer.value[0]; in mt8186_sgen_amplitude_set()
196 if (amplitude > AMP_DIV_CH1_MASK) { in mt8186_sgen_amplitude_set()
197 dev_err(afe->dev, "%s(), amplitude %d invalid\n", in mt8186_sgen_amplitude_set()
198 __func__, amplitude); in mt8186_sgen_amplitude_set()
202 dev_dbg(afe->dev, "%s(), amplitude %d\n", __func__, amplitude); in mt8186_sgen_amplitude_set()
204 if (amplitude == afe_priv->sgen_amplitude) in mt8186_sgen_amplitude_set()
209 amplitude << AMP_DIV_CH1_SFT); in mt8186_sgen_amplitude_set()
212 amplitude << AMP_DIV_CH2_SFT); in mt8186_sgen_amplitude_set()
214 afe_priv->sgen_amplitude = amplitude; in mt8186_sgen_amplitude_set()
/linux/Documentation/devicetree/bindings/net/
H A Dqcom,qca807x.yaml73 qcom,dac-full-amplitude:
75 Set Analog MDI driver amplitude to FULL.
77 With this not defined, amplitude is set to DSP.
78 (amplitude is adjusted based on cable length)
105 - With both FULL amplitude and FULL bias current: bias current
107 - With only DSP amplitude: bias current is set to half and
109 - With DSP bias current (included both DSP amplitude and
/linux/Documentation/devicetree/bindings/phy/
H A Drealtek,usb3phy.yaml69 realtek,amplitude-control-coarse-tuning:
71 This adjusts the signal amplitude for normal operation and beacon LFPS.
80 realtek,amplitude-control-fine-tuning:
82 This adjusts the signal amplitude for normal operation and beacon LFPS.
106 realtek,amplitude-control-coarse-tuning = <0x77>;
H A Dtransmit-amplitude.yaml4 $id: http://devicetree.org/schemas/phy/transmit-amplitude.yaml#
7 title: Common PHY and network PCS transmit amplitude property
10 Binding describing the peak-to-peak transmit amplitude for common PHYs
19 Transmit amplitude voltages in microvolts, peak-to-peak. If this property
H A Dbrcm,sata-phy.yaml86 brcm,tx-amplitude-millivolt:
88 Transmit amplitude voltage in millivolt.
/linux/drivers/comedi/drivers/
H A Dcomedi_test.c39 * [0] - Amplitude in microvolts for fake waveforms (default 1 volt)
71 module_param_named(amplitude, set_amplitude, uint, 0444);
72 MODULE_PARM_DESC(amplitude, "Set auto mode wave amplitude in microvolts: (defaults to 1 volt)");
81 unsigned int wf_amplitude; /* waveform amplitude in microvolts */
694 int amplitude, int period) in waveform_common_attach() argument
705 devpriv->wf_amplitude = amplitude; in waveform_common_attach()
762 int amplitude = it->options[0]; in waveform_attach() local
765 /* set default amplitude and period */ in waveform_attach()
766 if (amplitude <= 0) in waveform_attach()
767 amplitude = 1000000; /* 1 volt */ in waveform_attach()
[all …]
/linux/drivers/gpu/drm/vc4/
H A Dvc4_hdmi_phy.c245 } amplitude; member
468 VC4_SET_FIELD(chan0_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
470 VC4_SET_FIELD(chan0_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
472 VC4_SET_FIELD(chan1_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
474 VC4_SET_FIELD(chan1_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
476 VC4_SET_FIELD(chan2_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
478 VC4_SET_FIELD(chan2_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
480 VC4_SET_FIELD(clock_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
482 VC4_SET_FIELD(clock_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
/linux/drivers/staging/fbtft/
H A Dfb_upd161704.c38 write_reg(par, 0x0024, 0x007B); /* amplitude setting */ in init_display()
40 write_reg(par, 0x0025, 0x003B); /* amplitude setting */ in init_display()
41 write_reg(par, 0x0026, 0x0034); /* amplitude setting */ in init_display()
43 write_reg(par, 0x0027, 0x0004); /* amplitude setting */ in init_display()
69 write_reg(par, 0x001F, 0x0035); /* VCOM amplitude setting */ in init_display()
H A Dfb_ili9325.c37 static unsigned int vdv = 0x12; /* VCOMH amplitude=VREG1OUT*0.98 */
39 MODULE_PARM_DESC(vdv, "Select the factor of VREG1OUT to set the amplitude of Vcom");
58 * VCOM amplitude = VREG1OUT * 0.98 = 4.79
113 write_reg(par, 0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ in init_display()
121 write_reg(par, 0x0013, vdv << 8); /* Set VDV[4:0] for VCOM amplitude */ in init_display()
/linux/Documentation/devicetree/bindings/clock/
H A Dsilabs,si5341.txt91 - silabs,amplitude: Manually override output amplitude, see [2] for values
125 silabs,amplitude = <3>;
137 silabs,amplitude = <3>;
148 silabs,amplitude = <3>;
H A Dskyworks,si521xx.yaml33 skyworks,out-amplitude-microvolt:
35 description: Output clock signal amplitude
H A Drenesas,9series.yaml55 renesas,out-amplitude-microvolt:
57 description: Output clock signal amplitude
/linux/Documentation/sound/soc/
H A Dpops-clicks.rst53 amplitude too quickly. It can be minimised by enabling the zero cross setting
55 crosses the zero amplitude line.
/linux/Documentation/devicetree/bindings/media/i2c/
H A Dmaxim,max9286.yaml73 Initial amplitude of the reverse control channel, in micro volts.
75 The initial amplitude shall be adjusted to a value compatible with the
81 channel amplitude to communicate with pre-programmed serializers is
84 A typical value for the reverse channel amplitude to communicate with
/linux/drivers/net/phy/qcom/
H A Dqca83xx.c130 /* QCA8327 require DAC amplitude adjustment for 100m set to +6%. in qca8327_config_init()
142 /* Set DAC Amplitude adjustment to +6% for 100m on link running */ in qca83xx_link_change_notify()
149 /* Reset DAC Amplitude adjustment */ in qca83xx_link_change_notify()
H A Dqca807x.c40 * - With both FULL amplitude and FULL bias current: bias current
42 * - With only DSP amplitude: bias current is set to half and
44 * - With DSP bias current (included both DSP amplitude and
732 priv->dac_full_amplitude = of_property_read_bool(node, "qcom,dac-full-amplitude"); in qca807x_probe()
/linux/Documentation/scsi/
H A Daic79xx.rst443 amplitude: {value[,value...]}
444 :Definition: Set IO Cell signal amplitude on a per-controller basis.
455 amplitude:{0x1}
457 On Controller 0 set amplitude to 1.
461 amplitude :{1,,7}
463 - On Controller 0 set amplitude to 1.
464 - On Controller 2 set amplitude to 7.
/linux/drivers/clk/
H A Dclk-si521xx.c228 /* Output clock amplitude */ in si521xx_get_common_config()
229 ret = of_property_read_u32(np, "skyworks,out-amplitude-microvolt", in si521xx_get_common_config()
235 "Invalid skyworks,out-amplitude-microvolt value\n"); in si521xx_get_common_config()
245 /* If amplitude is non-default, update it. */ in si521xx_update_config()
H A Dclk-renesas-pcie.c213 /* Output clock amplitude */ in rs9_get_common_config()
214 ret = of_property_read_u32(np, "renesas,out-amplitude-microvolt", in rs9_get_common_config()
227 "Invalid renesas,out-amplitude-microvolt value\n"); in rs9_get_common_config()
251 /* If amplitude is non-default, update it. */ in rs9_update_config()
/linux/include/uapi/sound/
H A Dasound_fm.h31 unsigned char am; /* amplitude modulation */
68 unsigned char am_depth; /* amplitude modulation depth (1=hi) */
/linux/drivers/net/ethernet/sfc/falcon/
H A Dtxc43128_phy.c75 /* Amplitude on lanes 0, 1 */
77 /* Amplitude on lanes 2, 3 */
281 /* Turn amplitude down and preemphasis off on the host side in txc_apply_defaults()
290 /* Turn down the amplitude */ in txc_apply_defaults()
296 /* Set the line side amplitude and preemphasis to the databook in txc_apply_defaults()
/linux/drivers/net/pcs/
H A Dpcs-xpcs-nxp.c99 /* Program transmitter amplitude and disable amplitude trimming */ in nxp_sja1110_pma_config()
/linux/drivers/misc/echo/
H A Decho.h41 well. However, it only works well for signals of constant amplitude. It works
45 amplitude as it does for a modem signal. This normalised least mean squares
/linux/drivers/scsi/mvsas/
H A Dmv_sas.h243 /* 4 bits, transmitter emphasis amplitude */
247 /* 5 bits, transmitter amplitude */
249 /* 2 bits, transmitter amplitude adjust */
/linux/drivers/staging/iio/accel/
H A Dadis16203.c40 /* Alarm 1 amplitude threshold */
43 /* Alarm 2 amplitude threshold */

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