| /linux/drivers/iio/amplifiers/ |
| H A D | Kconfig | 21 ADRF5702: 0.125 dB LSB, 8-Bit, Silicon Digital Attenuator
22 ADRF5703: 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
23 ADRF5720: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator
24 ADRF5730: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator
25 ADRF5731: 2 dB LSB, 4-Bit, Silicon Digital Attenuator
26 HMC271A: 1dB LSB 5-Bit Digital Attenuator SMT
27 HMC792A 0.25 dB LSB GaAs MMIC 6-Bit Digital Attenuator
28 HMC1018A: 1.0 dB LSB GaAs MMIC 5-BIT Digital Attenuator
29 HMC1019A: 0.5 dB LSB GaAs MMIC 5-BIT Digital Attenuator
30 HMC1119 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
|
| /linux/arch/m68k/include/asm/ |
| H A D | atarihw.h | 753 #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/Documentation/ABI/testing/ |
| H A D | configfs-usb-gadget-uac1 | 14 (in 1/256 dB)
16 (in 1/256 dB)
18 (in 1/256 dB)
25 (in 1/256 dB)
27 (in 1/256 dB)
29 (in 1/256 dB)
|
| H A D | configfs-usb-gadget-uac2 | 17 (in 1/256 dB)
19 (in 1/256 dB)
21 (in 1/256 dB)
30 (in 1/256 dB)
32 (in 1/256 dB)
34 (in 1/256 dB)
|
| H A D | sysfs-bus-iio | 724 gives the 3dB frequency of the filter in Hz.
734 gives the 3dB frequency of the filter in Hz.
|
| /linux/sound/usb/ |
| H A D | mixer_maps.c | 18 const struct usbmix_dB_map *dB; member
114 { 10, /* "Mic Capture", */ NULL, 2, .dB = &mp3plus_dB_2 },
117 { 11, "Line Capture", .dB = &mp3plus_dB_2 },
120 { 13, /* "Mic Playback", */ .dB = &mp3plus_dB_1 },
122 { 14, "Line Playback", .dB = &mp3plus_dB_1 }, /* FU, default Speaker */
336 { 3, NULL, .dB = &bose_companion5_dB },
343 { 2, NULL, .dB = &bose_soundlink_dB },
350 { 9, NULL, .dB = &sennheiser_pc8_dB },
381 { 9, NULL, .dB = &ms_usb_link_dB },
|
| H A D | mixer.c | 136 if (!p || p->name || p->dB) in check_ignored_ctl()
141 /* dB mapping */
145 if (p && p->dB) { in check_mapped_dB()
146 cval->dBmin = p->dB->min; in check_mapped_dB()
147 cval->dBmax = p->dB->max; in check_mapped_dB()
148 cval->min_mute = p->dB->min_mute; in check_mapped_dB()
1116 cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ in volume_control_quirks()
1392 /* USB descriptions contain the dB scale in 1/256 dB unit in get_min_max_with_quirks()
1393 * while ALSA TLV contains in 1/100 dB uni in get_min_max_with_quirks()
[all...] |
| /linux/Documentation/networking/device_drivers/atm/ |
| H A D | cxacru.rst | 43 * downstream_attenuation (dB)
46 * downstream_snr_margin (dB)
50 * upstream_attenuation (dB)
53 * upstream_snr_margin (dB)
|
| /linux/Documentation/admin-guide/media/ |
| H A D | si476x.rst | 54 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/Documentation/devicetree/bindings/scsi/ |
| H A D | hisilicon-sas.txt | 59 values' range is 7600 to 12400, and used to represent -24dB to
60 24dB.
62 means 4.78dB.
|
| /linux/Documentation/userspace-api/media/dvb/ |
| H A D | frontend-stat-properties.rst | 33 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/Documentation/devicetree/bindings/sound/ |
| H A D | cs42l56.txt | 45 …- cirrus,hpf-left-freq, hpf-right-freq : Sets the corner frequency (-3dB point) for the internal H…
|
| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-fm-tx.rst | 121 Sets the gain for audio compression feature. It is a dB value. The
125 Sets the threshold level for audio compression feature. It is a dB
|
| /linux/Documentation/driver-api/media/drivers/ |
| H A D | vidtv.rst | 382 Lock (0x1f) Signal= -34.45dBm C/N= 33.74dB UCB= 0
402 …Lock (0x1f) Quality= Good Signal= -34.66dBm C/N= 33.41dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PE…
403 …Lock (0x1f) Quality= Good Signal= -34.57dBm C/N= 33.46dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PE…
406 …Lock (0x1f) Quality= Good Signal= -34.42dBm C/N= 33.89dB UCB= 0 postBER= 0 preBER= 2.44x10^-3 PE…
|
| /linux/drivers/usb/atm/ |
| H A D | cxacru.c | 517 CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \
518 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \
519 CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \
520 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \
|
| /linux/Documentation/sound/designs/ |
| H A D | control-names.rst | 115 Mic Boost [(?dB)]
|
| /linux/Documentation/sound/cards/ |
| H A D | emu-mixer.rst | 80 name='DAC1 0202 14dB PAD',index=0, etc.
84 name='ADC1 14dB PAD 0202',index=0, etc.
|
| /linux/Documentation/sound/kernel-api/ |
| H A D | writing-an-alsa-driver.rst | 2466 Mic-boost switch is set as “Mic Boost” or “Mic Boost (6dB)”.
2686 To provide information about the dB values of a mixer control, use one of
2705 dB value by a constant dB amount. The first parameter is the name of the
2707 units of 0.01 dB. The third parameter is the step size, in units of 0.01
2708 dB. Set the fourth parameter to 1 if the minimum value actually mutes
2714 The second parameter is the minimum value, in units of 0.01 dB. The
2715 third parameter is the maximum value, in units of 0.01 dB. If the
|
| /linux/Documentation/sound/ |
| H A D | alsa-configuration.rst | 2381 control value is mapped to voltage (instead of dB) level linearly.
2383 ``V(x) = k * x``; ``dB(x) = 20 * log10(x)``. Overrides bit 24
|