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/Linux-v5.15/drivers/comedi/drivers/
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 */
672 int amplitude, int period) in waveform_common_attach() argument
683 devpriv->wf_amplitude = amplitude; in waveform_common_attach()
740 int amplitude = it->options[0]; in waveform_attach() local
743 /* set default amplitude and period */ in waveform_attach()
744 if (amplitude <= 0) in waveform_attach()
745 amplitude = 1000000; /* 1 volt */ in waveform_attach()
[all …]
/Linux-v5.15/drivers/gpu/drm/vc4/
Dvc4_hdmi_phy.c227 } amplitude; member
445 VC4_SET_FIELD(chan0_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
447 VC4_SET_FIELD(chan0_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
449 VC4_SET_FIELD(chan1_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
451 VC4_SET_FIELD(chan1_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
453 VC4_SET_FIELD(chan2_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
455 VC4_SET_FIELD(chan2_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
457 VC4_SET_FIELD(clock_settings->amplitude.preemphasis, in vc5_hdmi_phy_init()
459 VC4_SET_FIELD(clock_settings->amplitude.main_driver, in vc5_hdmi_phy_init()
/Linux-v5.15/drivers/staging/fbtft/
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()
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()
Dfb_ili9320.c91 /* VDV[4:0] for VCOM amplitude */ in init_display()
108 /* R13h=0x1800 at VCI=3.3V VDV[4:0] for VCOM amplitude */ in init_display()
/Linux-v5.15/Documentation/devicetree/bindings/clock/
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>;
/Linux-v5.15/Documentation/devicetree/bindings/media/i2c/
Dmaxim,max9286.yaml58 Initial amplitude of the reverse control channel, in micro volts.
60 The initial amplitude shall be adjusted to a value compatible with the
66 channel amplitude to communicate with pre-programmed serializers is
69 A typical value for the reverse channel amplitude to communicate with
/Linux-v5.15/Documentation/sound/soc/
Dpops-clicks.rst53 amplitude too quickly. It can be minimised by enabling the zero cross setting
55 crosses the zero amplitude line.
/Linux-v5.15/arch/mips/netlogic/xlp/
Dahci-init.c62 #define SATA_PHY_AMP1_GEN1 0xa /* PHY Transmit Amplitude Reg 1 */
63 #define SATA_PHY_AMP1_GEN2 0xb /* PHY Transmit Amplitude Reg 2 */
64 #define SATA_PHY_AMP1_GEN3 0xc /* PHY Transmit Amplitude Reg 3 */
/Linux-v5.15/Documentation/devicetree/bindings/phy/
Dbrcm,sata-phy.yaml86 "brcm,tx-amplitude-millivolt":
88 Transmit amplitude voltage in millivolt.
Dapm-xgene-phy.txt31 - apm,tx-amplitude : Amplitude control. Two set of 3-tuple setting for
Dmicrochip,sparx5-serdes.yaml23 * Tx output amplitude control
/Linux-v5.15/Documentation/scsi/
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-v5.15/drivers/net/ethernet/sfc/falcon/
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-v5.15/include/uapi/sound/
Dasound_fm.h46 unsigned char am; /* amplitude modulation */
83 unsigned char am_depth; /* amplitude modulation depth (1=hi) */
/Linux-v5.15/drivers/net/pcs/
Dpcs-xpcs-nxp.c99 /* Program transmitter amplitude and disable amplitude trimming */ in nxp_sja1110_pma_config()
/Linux-v5.15/drivers/misc/echo/
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-v5.15/Documentation/devicetree/bindings/input/rmi4/
Drmi_f01.txt17 - syna,wakeup-threshold: Defines the amplitude of the disturbance to the
/Linux-v5.15/drivers/staging/iio/accel/
Dadis16203.c40 /* Alarm 1 amplitude threshold */
43 /* Alarm 2 amplitude threshold */
Dadis16240.c92 /* Alarm 1 amplitude threshold */
95 /* Alarm 2 amplitude threshold */
/Linux-v5.15/drivers/gpu/drm/meson/
Dmeson_venc.h32 unsigned int macv_max_amp; /* Macrovision max amplitude */
/Linux-v5.15/arch/arm/mach-davinci/include/mach/
Dpm.h36 * counter. Eventually those oscillations will grow to an amplitude
/Linux-v5.15/drivers/scsi/mvsas/
Dmv_sas.h243 /* 4 bits, transmitter emphasis amplitude */
247 /* 5 bits, transmitter amplitude */
249 /* 2 bits, transmitter amplitude adjust */
/Linux-v5.15/drivers/gpu/drm/panel/
Dpanel-ilitek-ili9322.c213 * peak-to-peak amplitude of the communcation signals to the physical
378 "can't set up VCOM amplitude (%d)\n", ret); in ili9322_init()
795 dev_err(dev, "too low VCOM amplitude\n"); in ili9322_probe()
799 dev_err(dev, "too high VCOM amplitude\n"); in ili9322_probe()
804 dev_dbg(dev, "VCOM amplitude = 0x%02x\n", val); in ili9322_probe()
/Linux-v5.15/drivers/phy/broadcom/
Dphy-bcm-ns2-pcie.c37 /* set the 100 MHz reference clock amplitude to 2.05 v */ in ns2_pci_phy_init()

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