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/linux/sound/soc/sunxi/
H A Dsun8i-codec.c829 "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
839 SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
849 SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
923 SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
933 SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
1033 /* AIF "ADC" Mono/Stereo Muxes */
1034 SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
1036 SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
1039 SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mu
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/linux/sound/soc/intel/avs/boards/
H A Dpcm3168a.c18 SND_SOC_DAPM_HP("CPB Stereo HP 1", NULL),
19 SND_SOC_DAPM_HP("CPB Stereo HP 2", NULL),
20 SND_SOC_DAPM_HP("CPB Stereo HP 3", NULL),
22 SND_SOC_DAPM_MIC("CPB Stereo Mic 1", NULL),
23 SND_SOC_DAPM_MIC("CPB Stereo Mic 2", NULL),
28 { "CPB Stereo HP 1", NULL, "AOUT1L" },
29 { "CPB Stereo HP 1", NULL, "AOUT1R" },
30 { "CPB Stereo HP 2", NULL, "AOUT2L" },
31 { "CPB Stereo HP 2", NULL, "AOUT2R" },
32 { "CPB Stereo H
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/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-g-tuner.rst130 - ``STEREO | SAP``
131 - receiving stereo audio and a secondary audio program
134 - ``MONO | STEREO``
135 - receiving mono or stereo audio, the hardware cannot distinguish
142 - ``MONO | STEREO | LANG1 | LANG2``
143 - receiving mono, stereo or bilingual audio
246 - Stereo audio reception is supported.
263 standard. Two audio carriers are available for mono or stereo
313 - The tuner receives a stereo audio signal.
348 - Play mono audio. When the tuner receives a stereo signal this a
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H A Dvidioc-g-modulator.rst112 for example, a stereo pilot tone.
141 - Modulate channel 1 and 2 as left and right channel of a stereo
146 driver does not support stereo audio it shall fall back to mono.
158 or stereo mode.
170 right stereo audio, channel 3 as Second Audio Program. When the
179 driver shall fall back to mono or stereo mode.
/linux/Documentation/driver-api/media/drivers/
H A Dradiotrack.rst61 the ioports appears to be the "Stereo Detect" bit.
69 | VolA | VolB | ???? | Stereo | Radio | TuneA | TuneB | Tune |
85 Stereo Detect Enable Description
93 0xff ==> no stereo detected, 0xfd ==> stereo detected.
129 Default: BASE <-- 0xc8 (current volume, no stereo detect,
132 Card Off: BASE <-- 0x00 (audio mute, no stereo detect,
138 Volume Down: BASE <-- 0x48 (volume down, no stereo detect,
143 Volume Up: BASE <-- 0x88 (volume up, no stereo detect,
148 Check Stereo: BASE <-- 0xd8 (current volume, stereo detect,
154 x=0xff ==> "not stereo", x=0xfd ==> "stereo detected"
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/linux/drivers/media/pci/cx88/
H A Dcx88-dsp.c3 * Stereo and SAP detection for cx88
159 s32 carrier, stereo, dual, noise; in detect_a2_a2m_eiaj() local
187 stereo = freq_magnitude(x, N, stereo_freq); in detect_a2_a2m_eiaj()
192 "detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, noise=%d\n", in detect_a2_a2m_eiaj()
193 carrier, stereo, dual, noise); in detect_a2_a2m_eiaj()
195 if (stereo > dual) in detect_a2_a2m_eiaj()
202 if ((carrier > max(stereo, dual) * 2) && in detect_a2_a2m_eiaj()
203 (carrier < max(stereo, dual) * 6) && in detect_a2_a2m_eiaj()
205 (max(stereo, dual) > min(stereo, dual))) { in detect_a2_a2m_eiaj()
213 if ((carrier > max(stereo, dual) * 2) && in detect_a2_a2m_eiaj()
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/linux/Documentation/sound/cards/
H A Dmixart.rst12 that has 4 stereo audio inputs and 4 stereo audio outputs.
14 4 digital stereo audio inputs and outputs.
30 stereo analog capture 'pcm0c' and 1 stereo analog playback 'pcm0p' device.
31 With a miXart8AES/EBU there is in addition 1 stereo digital input
32 'pcm1c' and 1 stereo digital output 'pcm1p' per card.
49 There is one substream per capture device. For instance only stereo
H A Daudigy-mixer.rst82 stereo playback. The result samples are forwarded to the front speakers.
88 stereo playback. The result is forwarded to the standard capture PCM device.
94 The result samples are forwarded to the virtual stereo mixer.
105 the AC97 codec. The result samples are forwarded to the virtual stereo mixer.
119 forwarded to the virtual stereo mixer.
130 digital input. The result samples are forwarded to the virtual stereo mixer.
141 stereo mixer.
153 stereo mixer. This contains mix from analog sources like CD, Line In, Aux, ....
164 stereo mixer.
174 This control is used to attenuate samples from the virtual stereo mixer.
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H A Demu-mixer.rst135 stereo playback. The result samples are forwarded to the virtual stereo mixer.
147 The result samples are forwarded to the virtual stereo mixer.
157 This control is used to attenuate samples from the virtual stereo mixer.
162 This control is used to attenuate samples from the virtual stereo mixer.
167 This control is used to attenuate samples from the virtual stereo mixer.
172 This control is used to attenuate samples from the virtual stereo mixer.
177 This control is used to attenuate samples from the virtual stereo mixer.
H A Dmaya44.rst116 * hw:0,0 input - stereo, analog input 1+2
117 * hw:0,0 output - stereo, analog output 1+2
118 * hw:0,1 input - stereo, analog input 3+4 OR S/PDIF input
119 * hw:0,1 output - stereo, analog output 3+4 (and SPDIF out)
140 if switch is on, input jack 1/2 is microphone input (mono), otherwise line input (stereo).
/linux/tools/testing/selftests/alsa/
H A Dpcm-test.conf11 description "8kHz stereo large periods"
20 description "44.1kHz stereo large periods"
29 description "48kHz stereo small periods"
38 description "48kHz stereo large periods"
56 description "96kHz stereo large periods"
/linux/drivers/media/radio/
H A Dradio-zoltrix.c18 * - Make signal strength and stereo scans
22 * - Added stereo support
23 * (card defaults to stereo)
25 * (can detect if station is in stereo)
28 * 2002-07-15 - Fix Stereo typo
112 bool stereo = isa->stereo; in zoltrix_s_frequency() local
133 bitmask = (bitmask ^ ((f & 0xff) << 47) ^ ((f & 0xff00) << 30) ^ (stereo << 31)); in zoltrix_s_frequency()
201 static int zoltrix_s_stereo(struct radio_isa_card *isa, bool stereo) in zoltrix_s_stereo() argument
H A Ddsbr100.c9 * at the stereo indicator as well. So, scanning will only find
10 * stereo stations. Sad, but I can't help it.
74 bool stereo; member
144 sees a stereo signal or not. Pity. */
154 radio->stereo = false; in dsbr100_getstat()
159 radio->stereo = !(radio->transfer_buffer[0] & 0x01); in dsbr100_getstat()
187 v->rxsubchans = radio->stereo ? V4L2_TUNER_SUB_STEREO : in vidioc_g_tuner()
191 v->signal = radio->stereo ? 0xffff : 0; /* We can't get the signal strength */ in vidioc_g_tuner()
H A Dradio-ma901.c83 int stereo; member
140 static int ma901_set_stereo(struct ma901radio_device *radio, u8 stereo) in ma901_set_stereo() argument
146 radio->buffer[2] = stereo; in ma901_set_stereo()
160 if (stereo == MA901_WANT_STEREO) in ma901_set_stereo()
161 radio->stereo = V4L2_TUNER_MODE_STEREO; in ma901_set_stereo()
163 radio->stereo = V4L2_TUNER_MODE_MONO; in ma901_set_stereo()
220 v->audmode = radio->stereo ? in vidioc_g_tuner()
234 /* mono/stereo selector */ in vidioc_s_tuner()
H A Dradio-keene.c59 bool stereo; member
102 /* Set TX, stereo and preemphasis mode (50 us vs 75 us). */
110 /* If bit 0 is set, then transmit mono, otherwise stereo. in keene_cmd_set()
113 radio->buffer[3] = (radio->stereo ? 0 : 1) | (radio->preemph_75_us ? 4 : 0); in keene_cmd_set()
185 v->txsubchans = radio->stereo ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; in vidioc_g_modulator()
198 radio->stereo = (v->txsubchans == V4L2_TUNER_SUB_STEREO); in vidioc_s_modulator()
337 radio->stereo = true; in usb_keene_probe()
/linux/sound/soc/codecs/
H A Drt5640.c518 SOC_DAPM_SINGLE("Stereo ADC Switch", RT5640_AD_DA_MIXER,
525 SOC_DAPM_SINGLE("Stereo ADC Switch", RT5640_AD_DA_MIXER,
791 /* Stereo ADC source */
800 SOC_DAPM_ENUM("Stereo ADC1 Mux", rt5640_stereo_adc1_enum);
810 SOC_DAPM_ENUM("Stereo ADC2 Mux", rt5640_stereo_adc2_enum);
1058 SND_SOC_DAPM_SUPPLY_S("Stereo Filter ASRC", 1, RT5640_ASRC_1,
1119 SND_SOC_DAPM_MUX("Stereo ADC L2 Mux", SND_SOC_NOPM, 0, 0,
1121 SND_SOC_DAPM_MUX("Stereo ADC R2 Mux", SND_SOC_NOPM, 0, 0,
1123 SND_SOC_DAPM_MUX("Stereo ADC L1 Mux", SND_SOC_NOPM, 0, 0,
1125 SND_SOC_DAPM_MUX("Stereo AD
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H A Dak4535.c67 static const char *ak4535_hp_out[] = {"Stereo", "Mono"};
107 /* Stereo Mixer */
142 SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0,
192 /*stereo mixer */
193 {"Stereo Mixer", "Playback Switch", "DAC"},
194 {"Stereo Mixer", "Mic Sidetone Switch", "Mic"},
195 {"Stereo Mixer", "Aux Bypass Switch", "AUX In"},
213 {"Line Out", NULL, "Stereo Mixer"},
222 {"HP L Amp", NULL, "Stereo Mixer"},
227 {"HP R Amp", NULL, "Stereo Mixe
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/linux/sound/pci/mixart/
H A Dmixart.h51 #define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
161 /* allocate stereo pipe for instance */
179 int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
180 int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
181 int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
/linux/sound/pci/emu10k1/
H A Demupcm.c262 bool w_16, bool stereo, in snd_emu10k1_pcm_init_voice() argument
277 CPF, stereo ? CPF_STEREO_MASK : 0, in snd_emu10k1_pcm_init_voice()
280 // Stereo slaves don't need to have the addresses set, but it doesn't hurt in snd_emu10k1_pcm_init_voice()
317 bool w_16, bool stereo, in snd_emu10k1_pcm_init_voices() argument
323 snd_emu10k1_pcm_init_voice(emu, evoice, w_16, stereo, in snd_emu10k1_pcm_init_voices()
325 &mix->send_routing[stereo][0], in snd_emu10k1_pcm_init_voices()
326 &mix->send_volume[stereo][0]); in snd_emu10k1_pcm_init_voices()
327 if (stereo) in snd_emu10k1_pcm_init_voices()
424 bool stereo = runtime->channels == 2; in snd_emu10k1_playback_prepare() local
438 start_addr >>= stereo; in snd_emu10k1_playback_prepare()
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/linux/Documentation/devicetree/bindings/sound/
H A Dsamsung-i2s.yaml19 samsung,s3c6410-i2s: for 8/16/24bit stereo I2S.
26 playback, stereo channel capture, secondary FIFO using internal
38 stereo channels. Exynos7 I2S1 upgraded to 5.1 multichannel with
41 tesla,fsd-i2s: for 8/16/24bit stereo channel I2S for playback and
/linux/sound/soc/sof/amd/
H A Dvangogh.c42 /* Supporting only stereo for I2S HS controller capture */
66 /* Supporting only stereo for I2S BT controller capture */
90 /* Supporting only stereo for I2S SP controller capture */
127 /* Supporting only stereo for I2S HS-Virtual controller capture */
/linux/include/sound/
H A Dcs35l35.h77 /* Stereo (2 Device) */
78 bool stereo; member
95 /* Shared Boost for stereo */
H A Dhda_regmap.h57 * snd_hdac_regmap_encode_amp_stereo - encode a pseudo register for stereo AMPs
179 * snd_hdac_regmap_get_amp_stereo - Read stereo AMP values
185 * Read stereo AMP values. The lower byte is left, the upper byte is right. in snd_hdac_regmap_get_amp_stereo()
201 * snd_hdac_regmap_update_amp_stereo - update the stereo AMP value
209 * Update the stereo AMP value with a bit mask. in snd_hdac_regmap_update_amp_stereo()
/linux/sound/soc/amd/
H A Dacp-da7219-max98357a.c250 * On this platform for PCM device we support stereo in cz_da7219_play_startup()
271 * On this platform for PCM device we support stereo in cz_da7219_cap_startup()
293 * On this platform for PCM device we support stereo in cz_max_startup()
314 * On this platform for PCM device we support stereo in cz_dmic0_startup()
335 * On this platform for PCM device we support stereo in cz_dmic1_startup()
362 * On this platform for PCM device we support stereo in cz_rt5682_play_startup()
383 * On this platform for PCM device we support stereo in cz_rt5682_cap_startup()
405 * On this platform for PCM device we support stereo in cz_rt5682_max_startup()
426 * On this platform for PCM device we support stereo in cz_rt5682_dmic0_startup()
447 * On this platform for PCM device we support stereo in cz_rt5682_dmic1_startup()
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/linux/sound/oss/dmasound/
H A Ddmasound_atari.c66 * only in stereo is hardcoded in both of them!
165 if (dmasound.soft.stereo) in ata_ct_law()
188 if (dmasound.soft.stereo) in ata_ct_s8()
204 if (!dmasound.soft.stereo) { in ata_ct_u8()
239 if (!dmasound.soft.stereo) { in ata_ct_s16be()
271 if (!dmasound.soft.stereo) { in ata_ct_u16be()
311 if (!dmasound.soft.stereo) { in ata_ct_s16le()
352 if (!dmasound.soft.stereo) { in ata_ct_u16le()
398 if (!dmasound.soft.stereo) { in ata_ctx_law()
458 if (!dmasound.soft.stereo) { in ata_ctx_s8()
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