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/linux/drivers/gpu/drm/radeon/
A Dradeon_audio.c314 if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs) in radeon_audio_write_sad_regs()
362 if (radeon_encoder->audio && radeon_encoder->audio->get_pin) in radeon_audio_get_pin()
372 if (radeon_encoder->audio && radeon_encoder->audio->select_pin) in radeon_audio_select_pin()
399 radeon_encoder->audio = rdev->audio.dp_funcs; in radeon_audio_detect()
401 radeon_encoder->audio = rdev->audio.hdmi_funcs; in radeon_audio_detect()
403 radeon_encoder->audio = rdev->audio.hdmi_funcs; in radeon_audio_detect()
439 if (radeon_encoder->audio && radeon_encoder->audio->set_dto) in radeon_audio_set_dto()
569 if (radeon_encoder->audio && radeon_encoder->audio->update_acr) in radeon_audio_update_acr()
623 if (radeon_encoder->audio && radeon_encoder->audio->set_mute) in radeon_audio_set_mute()
701 if (radeon_encoder->audio && radeon_encoder->audio->mode_set) in radeon_audio_mode_set()
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/linux/drivers/mfd/
A Dtwl4030-audio.c50 audio->resource[id].reg); in twl4030_audio_set_resource()
69 audio->resource[id].reg); in twl4030_audio_get_resource()
89 mutex_lock(&audio->mutex); in twl4030_audio_enable_resource()
97 mutex_unlock(&audio->mutex); in twl4030_audio_enable_resource()
118 mutex_lock(&audio->mutex); in twl4030_audio_disable_resource()
133 mutex_unlock(&audio->mutex); in twl4030_audio_disable_resource()
143 return audio->audio_mclk; in twl4030_audio_get_mclk()
180 struct twl4030_audio *audio; in twl4030_audio_probe() local
194 if (!audio) in twl4030_audio_probe()
197 mutex_init(&audio->mutex); in twl4030_audio_probe()
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/linux/drivers/staging/media/av7110/
A Daudio_function_calls.rst12 audio-fopen
13 audio-fclose
14 audio-fwrite
15 audio-stop
16 audio-play
17 audio-pause
18 audio-continue
20 audio-set-mute
25 audio-get-status
28 audio-set-id
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/linux/drivers/gpu/drm/amd/display/dc/dce/
A Ddce_audio.c57 static void write_indirect_azalia_reg(struct audio *audio, in write_indirect_azalia_reg() argument
296 struct audio *audio, in set_high_bit_rate_capable() argument
313 struct audio *audio, in set_video_latency() argument
333 struct audio *audio, in set_audio_latency() argument
354 void dce_aud_az_enable(struct audio *audio) in dce_aud_az_enable() argument
376 void dce_aud_az_disable(struct audio *audio) in dce_aud_az_disable() argument
402 struct audio *audio, in dce_aud_az_configure() argument
782 struct audio *audio, in dce_aud_wall_dto_setup() argument
874 struct audio *audio, in dce60_aud_wall_dto_setup() argument
981 struct audio *audio) in dce_aud_hw_init() argument
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A Ddce_audio.h139 struct audio base;
145 struct audio *dce_audio_create(
153 struct audio *dce60_audio_create(
161 void dce_aud_destroy(struct audio **audio);
163 void dce_aud_hw_init(struct audio *audio);
165 void dce_aud_az_enable(struct audio *audio);
166 void dce_aud_az_disable(struct audio *audio);
168 void dce_aud_az_configure(struct audio *audio,
173 void dce_aud_wall_dto_setup(struct audio *audio,
/linux/drivers/gpu/drm/amd/display/dc/inc/hw/
A Daudio.h31 struct audio;
35 bool (*endpoint_valid)(struct audio *audio);
37 void (*hw_init)(struct audio *audio);
39 void (*az_enable)(struct audio *audio);
41 void (*az_disable)(struct audio *audio);
43 void (*az_configure)(struct audio *audio,
48 void (*wall_dto_setup)(struct audio *audio,
53 void (*destroy)(struct audio **audio);
56 struct audio { struct
/linux/drivers/gpu/drm/msm/dp/
A Ddp_audio.c351 dp_audio_isrc_sdp(audio); in dp_audio_setup_sdp()
415 audio->engine_on = enable; in dp_audio_enable()
519 if (IS_ERR(audio)) { in dp_audio_hw_params()
520 rc = PTR_ERR(audio); in dp_audio_hw_params()
546 if (IS_ERR(audio)) { in dp_audio_shutdown()
610 audio = devm_kzalloc(&pdev->dev, sizeof(*audio), GFP_KERNEL); in dp_audio_get()
611 if (!audio) { in dp_audio_get()
616 audio->pdev = pdev; in dp_audio_get()
617 audio->panel = panel; in dp_audio_get()
618 audio->catalog = catalog; in dp_audio_get()
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/linux/Documentation/devicetree/bindings/sound/
A Dsimple-card.yaml94 description: audio format.
144 - simple-audio-card
145 - simple-scu-audio-card
155 simple-audio-card,name:
161 "^simple-audio-card,widgets$":
163 "^simple-audio-card,routing$":
179 "^simple-audio-card,format$":
181 "^simple-audio-card,mclk-fs$":
189 "^simple-audio-card,prefix$":
267 simple-audio-card,cpu {
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A Dfsl-asoc-card.txt18 AC'97/I2S/PCM type sound cards, such as S/PDIF audio and HDMI audio, as
23 "fsl,imx-audio-ac97"
27 "fsl,imx-audio-cs427x"
30 "fsl,imx-audio-wm8962"
35 "fsl,imx-audio-wm8960"
37 "fsl,imx-audio-mqs"
39 "fsl,imx-audio-wm8524"
55 - audio-codec : The phandle of an audio codec
62 - audio-routing : A list of the connections between audio components.
96 audio-cpu = <&esai>;
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A Dimx-audio-es8328.txt1 Freescale i.MX audio complex with ES8328 codec
4 - compatible : "fsl,imx-audio-es8328"
9 - audio-codec : The phandle of the ES8328 audio codec
10 - audio-routing : A list of the connections between audio components.
17 * audio-amp
43 compatible = "fsl,imx-audio-es8328";
44 model = "imx-audio-es8328";
46 audio-codec = <&codec>;
48 audio-amp-supply = <&reg_audio_amp>;
49 audio-routing =
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A Darmada-370db-audio.txt1 Device Tree bindings for the Armada 370 DB audio
4 These Device Tree bindings are used to describe the audio complex
9 * compatible: must be "marvell,a370db-audio"
11 * marvell,audio-controller: a phandle that points to the audio
14 * marvell,audio-codec: a set of three phandles that points to:
16 1/ the analog audio codec connected to the Armada 370 SoC
23 compatible = "marvell,a370db-audio";
24 marvell,audio-controller = <&audio_controller>;
25 marvell,audio-codec = <&audio_codec &spdif_out &spdif_in>;
A Datmel-sam9x5-wm8731-audio.txt1 * Atmel at91sam9x5ek wm8731 audio complex
4 - compatible: "atmel,sam9x5-wm8731-audio"
7 - atmel,audio-codec: The phandle of the WM8731 audio codec
8 - atmel,audio-routing: A list of the connections between audio components.
12 Available audio endpoints for the audio-routing table:
23 compatible = "atmel,sam9x5-wm8731-audio";
27 atmel,audio-routing =
34 atmel,audio-codec = <&wm8731>;
A Dsirf-audio.txt1 * SiRF atlas6 and prima2 internal audio codec and port based audio setups
4 - compatible: "sirf,sirf-audio-card"
5 - sirf,audio-platform: phandle for the platform node
6 - sirf,audio-codec: phandle for the SiRF internal codec node
16 Available audio endpoints for the audio-routing table:
24 SiRF internal audio codec pins:
34 compatible = "sirf,sirf-audio-card";
35 sirf,audio-codec = <&audiocodec>;
36 sirf,audio-platform = <&audioport>;
A Dfsl,audmix.txt4 audio streams into a single audio stream. Audio Mixer has two input serial
5 audio interfaces. These are driven by two Synchronous Audio interface
6 modules (SAI). Each input serial interface carries 8 audio channels in its
7 frame in TDM manner. Mixer mixes audio samples of corresponding channels
8 from two interfaces into a single sample. Before mixing, audio samples of
10 Audio Mixer is also a serial audio interface. Like input interfaces it has
13 receive path of normal audio SAI module for readback by the CPU.
16 - serial audio input 1
17 - serial audio input 2
18 - mixed audio
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/linux/drivers/gpu/drm/msm/hdmi/
A Dhdmi_audio.c76 struct hdmi_audio *audio = &hdmi->audio; in msm_hdmi_audio_update() local
79 bool enabled = audio->enabled; in msm_hdmi_audio_update()
118 n = arcs->lut[audio->rate].n; in msm_hdmi_audio_update()
119 cts = arcs->lut[audio->rate].cts; in msm_hdmi_audio_update()
221 struct hdmi_audio *audio; in msm_hdmi_audio_info_setup() local
226 audio = &hdmi->audio; in msm_hdmi_audio_info_setup()
231 audio->enabled = enabled; in msm_hdmi_audio_info_setup()
235 audio->infoframe.downmix_inhibit = down_mix; in msm_hdmi_audio_info_setup()
242 struct hdmi_audio *audio; in msm_hdmi_audio_set_sample_rate() local
247 audio = &hdmi->audio; in msm_hdmi_audio_set_sample_rate()
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/linux/drivers/usb/gadget/function/
A Df_uac1_legacy.c374 audio->set_con->set(audio->set_con, audio->set_cmd, in f_audio_complete()
413 audio->set_cmd = cmd; in audio_set_intf_req()
414 req->context = audio; in audio_set_intf_req()
450 req->context = audio; in audio_get_intf_req()
649 audio->as_alt = alt; in f_audio_set_alt()
738 audio->ac_alt = 0; in f_audio_bind()
746 audio->as_alt = 0; in f_audio_bind()
754 audio->out_ep = ep; in f_audio_bind()
971 kfree(audio); in f_audio_free()
988 audio = kzalloc(sizeof(*audio), GFP_KERNEL); in f_audio_alloc()
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A Df_uac1.c379 req->context = audio; in audio_notify()
442 dev_err(&audio->gadget->dev, in in_rq_cur()
661 req->context = audio; in out_rq_cur()
1255 audio->gadget = gadget; in f_audio_bind()
1277 audio->out_ep = ep; in f_audio_bind()
1285 audio->in_ep = ep; in f_audio_bind()
1514 struct g_audio *audio; in f_audio_free() local
1517 audio = func_to_g_audio(f); in f_audio_free()
1519 kfree(audio); in f_audio_free()
1529 g_audio_cleanup(audio); in f_audio_unbind()
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/linux/Documentation/userspace-api/media/v4l/
A Daudio.rst19 and audio source is a tuner. Further audio connectors can combine with
38 audio input and output, respectively.
53 multiple selectable audio inputs, all audio output ioctls when the
60 Example: Information about the current audio input
65 struct v4l2_audio audio;
67 memset(&audio, 0, sizeof(audio));
74 printf("Current input: %s\\n", audio.name);
77 Example: Switching to the first audio input
82 struct v4l2_audio audio;
84 memset(&audio, 0, sizeof(audio)); /* clear audio.mode, audio.reserved */
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/linux/drivers/gpu/drm/bridge/synopsys/
A Ddw-hdmi-i2s-audio.c25 struct dw_hdmi *hdmi = audio->hdmi; in hdmi_write()
27 audio->write(hdmi, val, offset); in hdmi_write()
32 struct dw_hdmi *hdmi = audio->hdmi; in hdmi_read()
34 return audio->read(hdmi, offset); in hdmi_read()
42 struct dw_hdmi *hdmi = audio->hdmi; in dw_hdmi_i2s_hw_params()
110 hdmi_write(audio, conf0, HDMI_AUD_CONF0); in dw_hdmi_i2s_hw_params()
111 hdmi_write(audio, conf1, HDMI_AUD_CONF1); in dw_hdmi_i2s_hw_params()
119 struct dw_hdmi *hdmi = audio->hdmi; in dw_hdmi_i2s_audio_startup()
129 struct dw_hdmi *hdmi = audio->hdmi; in dw_hdmi_i2s_audio_shutdown()
168 struct dw_hdmi *hdmi = audio->hdmi; in dw_hdmi_i2s_hook_plugged_cb()
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/linux/sound/soc/bcm/
A Dcygnus-ssp.c266 aio->cygaud->audio + aio->regs.bf_sourcech_grp); in audio_ssp_init_portregs()
307 value = readl(aio->cygaud->audio + SPDIF_CTRL_OFFSET); in audio_ssp_init_portregs()
347 value = readl(aio->cygaud->audio + aio->regs.i2s_cfg); in audio_ssp_in_enable()
350 writel(value, aio->cygaud->audio + aio->regs.i2s_cfg); in audio_ssp_in_enable()
684 value = readl(aio->cygaud->audio + in cygnus_ssp_hw_params()
687 writel(value, aio->cygaud->audio + in cygnus_ssp_hw_params()
692 value = readl(aio->cygaud->audio + in cygnus_ssp_hw_params()
695 writel(value, aio->cygaud->audio + in cygnus_ssp_hw_params()
1323 if (IS_ERR(cygaud->audio)) in cygnus_ssp_probe()
1324 return PTR_ERR(cygaud->audio); in cygnus_ssp_probe()
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/linux/arch/arm64/boot/dts/freescale/
A Dimx8mq-zii-ultra-rmb3.dts15 compatible = "simple-audio-card";
16 simple-audio-card,name = "front";
17 simple-audio-card,format = "i2s";
20 simple-audio-card,widgets =
22 simple-audio-card,routing =
29 sound1_cpu: simple-audio-card,cpu {
40 compatible = "simple-audio-card";
41 simple-audio-card,name = "periph";
42 simple-audio-card,format = "i2s";
45 simple-audio-card,widgets =
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/linux/sound/drivers/vx/
A Dvx_mixer.c216 rmh.Cmd[1] = 1 << audio; in vx_adjust_audio_level()
254 rmh.Cmd[1] = 1 << audio;
279 chip->audio_monitor[audio] = level; in vx_set_monitor_level()
280 chip->audio_monitor_active[audio] = active; in vx_set_monitor_level()
295 chip->audio_active[audio] = active; in vx_set_audio_switch()
309 chip->audio_gain[capture][audio] = level; in vx_set_audio_gain()
378 rmh.Cmd[1] |= 1 << (audio + i); in vx_get_audio_vu_meter()
663 vx_set_audio_switch(chip, audio, in vx_audio_sw_put()
665 vx_set_audio_switch(chip, audio+1, in vx_audio_sw_put()
694 vx_set_monitor_level(chip, audio, chip->audio_monitor[audio], in vx_monitor_sw_put()
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/linux/Documentation/devicetree/bindings/pinctrl/
A Dmarvell,armada-370-pinctrl.txt30 audio(spdifi)
32 audio(rmclk)
64 mpp43 43 gpo, dev(ad4), audio(bclk)
65 mpp44 44 gpo, dev(ad5), audio(mclk)
66 mpp45 45 gpo, dev(ad6), audio(lrclk)
67 mpp46 46 gpo, dev(ad7), audio(sdo)
72 audio(spdifi)
74 audio(rmclk)
85 audio(sdo)
90 audio(sdi)
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/linux/drivers/ps3/
A Dps3av_cmd.c682 memset(audio, 0, sizeof(*audio)); in ps3av_cmd_set_audio_mode()
683 ps3av_set_hdr(PS3AV_CID_AUDIO_MODE, sizeof(*audio), &audio->send_hdr); in ps3av_cmd_set_audio_mode()
685 audio->avport = (u8) avport; in ps3av_cmd_set_audio_mode()
687 audio->audio_num_of_ch = ch; in ps3av_cmd_set_audio_mode()
688 audio->audio_fs = fs; in ps3av_cmd_set_audio_mode()
690 audio->audio_format = format; in ps3av_cmd_set_audio_mode()
691 audio->audio_source = source; in ps3av_cmd_set_audio_mode()
695 audio->audio_enable[3] = 1; in ps3av_cmd_set_audio_mode()
698 audio->audio_enable[2] = 1; in ps3av_cmd_set_audio_mode()
699 audio->audio_enable[1] = 1; in ps3av_cmd_set_audio_mode()
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/linux/Documentation/sound/designs/
A Dtimestamping.rst42 of time as measured by different components of audio hardware. In
74 audio time it wants reported by selecting the relevant settings in
92 The audio timestamp accuracy can be returned to user-space, so that
100 - the link time can be used to track long-term drifts between audio
110 - including the delay in the audio timestamp may
117 audio applications...
127 The ALSA API only allows for a single audio timestamp to be reported
128 at a time. This is a conscious design decision, reading the audio
131 are. To avoid any interpretation issues, a single (system, audio)
137 latched by a low-level audio subsystem, and the information provided
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