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Searched refs:dB (Results 1 – 25 of 29) sorted by relevance

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/Linux-v5.4/arch/m68k/include/asm/
Datarihw.h753 #define MW_LM1992_VOLUME(dB) \ argument
754 (0x0c0 | ((dB) < -80 ? 0 : (dB) > 0 ? 40 : (((dB) + 80) / 2)))
755 #define MW_LM1992_BALLEFT(dB) \ argument
756 (0x140 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
757 #define MW_LM1992_BALRIGHT(dB) \ argument
758 (0x100 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
759 #define MW_LM1992_TREBLE(dB) \ argument
760 (0x080 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
761 #define MW_LM1992_BASS(dB) \ argument
762 (0x040 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
/Linux-v5.4/sound/usb/
Dmixer_maps.c17 struct usbmix_dB_map *dB; member
113 { 10, /* "Mic Capture", */ NULL, 2, .dB = &mp3plus_dB_2 },
116 { 11, "Line Capture", .dB = &mp3plus_dB_2 },
119 { 13, /* "Mic Playback", */ .dB = &mp3plus_dB_1 },
121 { 14, "Line Playback", .dB = &mp3plus_dB_1 }, /* FU, default Speaker */
335 { 3, NULL, .dB = &bose_companion5_dB },
Dmixer.c133 if (!p || p->name || p->dB) in check_ignored_ctl()
142 if (p && p->dB) { in check_mapped_dB()
143 cval->dBmin = p->dB->min; in check_mapped_dB()
144 cval->dBmax = p->dB->max; in check_mapped_dB()
/Linux-v5.4/Documentation/networking/
Dcxacru.txt33 * downstream_attenuation (dB)
36 * downstream_snr_margin (dB)
39 * upstream_attenuation (dB)
42 * upstream_snr_margin (dB)
/Linux-v5.4/Documentation/devicetree/bindings/scsi/
Dhisilicon-sas.txt59 values' range is 7600 to 12400, and used to represent -24dB to
60 24dB.
62 means 4.78dB.
/Linux-v5.4/Documentation/media/v4l-drivers/
Dsi476x.rst54 0x06 smattn Soft mute attenuation level in dB
101 0x06 pgagain PGA gain in dB
102 0x07 fmwblang FM/WB LNA Gain in dB
140 0x16 snr Signed RF SNR in dB
/Linux-v5.4/Documentation/devicetree/bindings/sound/
Dgoogle,cros-ec-codec.txt12 - max-dmic-gain: A number for maximum gain in dB on digital microphone.
Dmax98504.txt21 from 0...6 (dB) range
Dcs42l56.txt45 …- cirrus,hpf-left-freq, hpf-right-freq : Sets the corner frequency (-3dB point) for the internal H…
Drenesas,rsnd.txt173 amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
174 amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
/Linux-v5.4/arch/arm/boot/dts/
Dr8a7745-iwg22d-sodimm.dts23 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
24 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
Diwg20d-q7-common.dtsi23 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
24 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
Dr8a7793-gose.dts28 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
29 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
Dr8a7791-koelsch.dts30 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
31 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
Dr8a7790-lager.dts30 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
31 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-class-uwb_rc142 (SNR) of all packets received from this device in dB.
152 the received signal in dB. LQE is a more useful
/Linux-v5.4/Documentation/media/uapi/dvb/
Dfrontend-stat-properties.rst40 the measure (dB measures) and ``uvalue`` is for unsigned values
50 1/1000 dB
92 - ``FE_SCALE_DECIBEL`` - Signal/Noise ratio is in 0.001 dB units.
/Linux-v5.4/Documentation/media/kapi/
Ddtv-common.rst10 estimate signal strength and signal to noise measurements in dB.
/Linux-v5.4/Documentation/media/uapi/v4l/
Dext-ctrls-fm-tx.rst127 Sets the gain for audio compression feature. It is a dB value. The
131 Sets the threshold level for audio compression freature. It is a dB
/Linux-v5.4/drivers/usb/atm/
Dcxacru.c518 CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \
519 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \
520 CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \
521 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \
/Linux-v5.4/Documentation/sound/designs/
Dcontrol-names.rst115 Mic Boost [(?dB)]
/Linux-v5.4/Documentation/devicetree/bindings/phy/
Dapm-xgene-phy.txt30 between 0 to 31 in unit of dB. Default is 3.
/Linux-v5.4/arch/arm64/boot/dts/renesas/
Dsalvator-common.dtsi23 * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
24 * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
/Linux-v5.4/drivers/staging/pi433/Documentation/
Dpi433.txt187 step_0_5db - increase in 0,5dB steps
189 step_1_5db - increase in 1,5dB steps
/Linux-v5.4/drivers/net/wireless/realtek/rtw88/
Dphy.c588 u32 dB; in rtw_phy_linear_2_db() local
631 dB = (i << 3) + j + 1; in rtw_phy_linear_2_db()
633 return dB; in rtw_phy_linear_2_db()

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