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Searched refs:dB (Results 1 – 25 of 28) sorted by relevance

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/Linux-v4.19/arch/m68k/include/asm/
Datarihw.h756 #define MW_LM1992_VOLUME(dB) \ argument
757 (0x0c0 | ((dB) < -80 ? 0 : (dB) > 0 ? 40 : (((dB) + 80) / 2)))
758 #define MW_LM1992_BALLEFT(dB) \ argument
759 (0x140 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
760 #define MW_LM1992_BALRIGHT(dB) \ argument
761 (0x100 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
762 #define MW_LM1992_TREBLE(dB) \ argument
763 (0x080 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
764 #define MW_LM1992_BASS(dB) \ argument
765 (0x040 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
/Linux-v4.19/sound/usb/
Dmixer_maps.c31 struct usbmix_dB_map *dB; member
127 { 10, /* "Mic Capture", */ NULL, 2, .dB = &mp3plus_dB_2 },
130 { 11, "Line Capture", .dB = &mp3plus_dB_2 },
133 { 13, /* "Mic Playback", */ .dB = &mp3plus_dB_1 },
135 { 14, "Line Playback", .dB = &mp3plus_dB_1 }, /* FU, default Speaker */
349 { 3, NULL, .dB = &bose_companion5_dB },
Dmixer.c147 if (!p || p->name || p->dB) in check_ignored_ctl()
156 if (p && p->dB) { in check_mapped_dB()
157 cval->dBmin = p->dB->min; in check_mapped_dB()
158 cval->dBmax = p->dB->max; in check_mapped_dB()
/Linux-v4.19/Documentation/networking/
Dcxacru.txt33 * downstream_attenuation (dB)
36 * downstream_snr_margin (dB)
39 * upstream_attenuation (dB)
42 * upstream_snr_margin (dB)
/Linux-v4.19/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-v4.19/Documentation/media/v4l-drivers/
Dsi476x.rst52 0x06 smattn Soft mute attenuation level in dB
99 0x06 pgagain PGA gain in dB
100 0x07 fmwblang FM/WB LNA Gain in dB
138 0x16 snr Signed RF SNR in dB
/Linux-v4.19/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-v4.19/Documentation/ABI/testing/
Dsysfs-class-uwb_rc148 (SNR) of all packets received from this device in dB.
158 the received signal in dB. LQE is a more useful
/Linux-v4.19/Documentation/media/uapi/dvb/
Dfrontend-stat-properties.rst33 the measure (dB measures) and ``uvalue`` is for unsigned values
43 1/1000 dB
85 - ``FE_SCALE_DECIBEL`` - Signal/Noise ratio is in 0.001 dB units.
/Linux-v4.19/Documentation/media/kapi/
Ddtv-common.rst8 estimate signal strength and signal to noise measurements in dB.
/Linux-v4.19/Documentation/devicetree/bindings/sound/
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.txt249 amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
250 amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
/Linux-v4.19/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-v4.19/Documentation/sound/designs/
Dcontrol-names.rst115 Mic Boost [(?dB)]
/Linux-v4.19/Documentation/devicetree/bindings/phy/
Dapm-xgene-phy.txt30 between 0 to 31 in unit of dB. Default is 3.
/Linux-v4.19/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-v4.19/drivers/staging/pi433/Documentation/
Dpi433.txt187 step_0_5db - increase in 0,5dB steps
189 step_1_5db - increase in 1,5dB steps
/Linux-v4.19/drivers/staging/rtlwifi/phydm/
Dphydm.c1243 u32 dB; in odm_convert_to_db() local
1260 dB = (i << 3) + j + 1; in odm_convert_to_db()
1262 return dB; in odm_convert_to_db()
/Linux-v4.19/Documentation/sound/kernel-api/
Dwriting-an-alsa-driver.rst2498 Mic-boost switch is set as “Mic Boost” or “Mic Boost (6dB)”.
2736 To provide information about the dB values of a mixer control, use on of
2757 dB value by a constant dB amount. The first parameter is the name of the
2759 units of 0.01 dB. The third parameter is the step size, in units of 0.01
2760 dB. Set the fourth parameter to 1 if the minimum value actually mutes
2766 The second parameter is the minimum value, in units of 0.01 dB. The
2767 third parameter is the maximum value, in units of 0.01 dB. If the
/Linux-v4.19/Documentation/usb/
DWUSB-Design-overview.txt62 ~-41dB (or 0.074 uW/MHz--geography specific data is still being

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