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  1. ```
  2. sudo fuser -v /dev/snd*
  3. ```
  4. ```
  5. USER PID ACCESS COMMAND
  6. /dev/snd/controlC0: aidan 791 F.... pulseaudio
  7. /dev/snd/pcmC0D0c: aidan 791 F...m pulseaudio
  8. /dev/snd/pcmC0D0p: aidan 791 F...m pulseaudio
  9. /dev/snd/pcmC0D3p: aidan 791 F...m pulseaudio
  10. /dev/snd/pcmC0D4p: aidan 791 F...m pulseaudio
  11. /dev/snd/pcmC0D5p: aidan 791 F...m pulseaudio
  12. /dev/snd/pcmC0D6c: aidan 791 F...m pulseaudio
  13. ```
  14.  
  15. ```
  16. aplay -lL
  17. ```
  18. ```
  19. Discard all samples (playback) or generate zero samples (capture)
  20. default:CARD=sofhdadsp
  21. sof-hda-dsp,
  22. Default Audio Device
  23. sysdefault:CARD=sofhdadsp
  24. sof-hda-dsp,
  25. Default Audio Device
  26. **** List of PLAYBACK Hardware Devices ****
  27. card 0: sofhdadsp [sof-hda-dsp], device 0: HDA Analog (*) []
  28. Subdevices: 0/1
  29. Subdevice #0: subdevice #0
  30. card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) []
  31. Subdevices: 0/1
  32. Subdevice #0: subdevice #0
  33. card 0: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) []
  34. Subdevices: 0/1
  35. Subdevice #0: subdevice #0
  36. card 0: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) []
  37. Subdevices: 0/1
  38. Subdevice #0: subdevice #0
  39. card 0: sofhdadsp [sof-hda-dsp], device 31: HDA Analog Deep Buffer (*) []
  40. Subdevices: 1/1
  41. Subdevice #0: subdevice #0
  42. ```
  43.  
  44. ```
  45. amixer -c0
  46. ```
  47. ```
  48. Simple mixer control 'Master',0
  49. Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  50. Playback channels: Mono
  51. Limits: Playback 0 - 87
  52. Mono: Playback 87 [100%] [0.00dB] [on]
  53. Simple mixer control 'Headphone',0
  54. Capabilities: pvolume pswitch
  55. Playback channels: Front Left - Front Right
  56. Limits: Playback 0 - 87
  57. Mono:
  58. Front Left: Playback 53 [61%] [-25.50dB] [off]
  59. Front Right: Playback 53 [61%] [-25.50dB] [off]
  60. Simple mixer control 'Speaker',0
  61. Capabilities: pvolume pswitch
  62. Playback channels: Front Left - Front Right
  63. Limits: Playback 0 - 87
  64. Mono:
  65. Front Left: Playback 87 [100%] [0.00dB] [on]
  66. Front Right: Playback 87 [100%] [0.00dB] [on]
  67. Simple mixer control 'IEC958',0
  68. Capabilities: pswitch pswitch-joined
  69. Playback channels: Mono
  70. Mono: Playback [on]
  71. Simple mixer control 'IEC958',1
  72. Capabilities: pswitch pswitch-joined
  73. Playback channels: Mono
  74. Mono: Playback [on]
  75. Simple mixer control 'IEC958',2
  76. Capabilities: pswitch pswitch-joined
  77. Playback channels: Mono
  78. Mono: Playback [on]
  79. Simple mixer control 'Beep',0
  80. Capabilities: pvolume pswitch
  81. Playback channels: Front Left - Front Right
  82. Limits: Playback 0 - 31
  83. Mono:
  84. Front Left: Playback 0 [0%] [-34.50dB] [off]
  85. Front Right: Playback 0 [0%] [-34.50dB] [off]
  86. Simple mixer control 'Auto-Mute Mode',0
  87. Capabilities: enum
  88. Items: 'Disabled' 'Enabled'
  89. Item0: 'Disabled'
  90. Simple mixer control 'Dmic0',0
  91. Capabilities: cvolume cswitch
  92. Capture channels: Front Left - Front Right
  93. Limits: Capture 0 - 70
  94. Front Left: Capture 49 [70%] [-1.00dB] [on]
  95. Front Right: Capture 49 [70%] [-1.00dB] [on]
  96. Simple mixer control 'Dmic1 2nd',0
  97. Capabilities: cvolume
  98. Capture channels: Front Left - Front Right
  99. Limits: Capture 0 - 70
  100. Front Left: Capture 50 [71%] [0.00dB]
  101. Front Right: Capture 50 [71%] [0.00dB]
  102. Simple mixer control 'Loopback Mixing',0
  103. Capabilities: enum
  104. Items: 'Disabled' 'Enabled'
  105. Item0: 'Disabled'
  106. Simple mixer control 'PGA1.0 1 Master',0
  107. Capabilities: pvolume
  108. Playback channels: Front Left - Front Right
  109. Limits: Playback 0 - 32
  110. Mono:
  111. Front Left: Playback 32 [100%] [0.00dB]
  112. Front Right: Playback 32 [100%] [0.00dB]
  113. Simple mixer control 'PGA2.0 2 Master',0
  114. Capabilities: cvolume
  115. Capture channels: Front Left - Front Right
  116. Limits: Capture 0 - 80
  117. Front Left: Capture 50 [62%] [0.00dB]
  118. Front Right: Capture 50 [62%] [0.00dB]
  119. Simple mixer control 'PGA30.0 30',0
  120. Capabilities: pvolume
  121. Playback channels: Front Left - Front Right
  122. Limits: Playback 0 - 32
  123. Mono:
  124. Front Left: Playback 32 [100%] [0.00dB]
  125. Front Right: Playback 32 [100%] [0.00dB]
  126. Simple mixer control 'PGA31.0 31',0
  127. Capabilities: pvolume
  128. Playback channels: Front Left - Front Right
  129. Limits: Playback 0 - 32
  130. Mono:
  131. Front Left: Playback 32 [100%] [0.00dB]
  132. Front Right: Playback 32 [100%] [0.00dB]
  133. Simple mixer control 'PGA7.0 7 Master',0
  134. Capabilities: pvolume
  135. Playback channels: Front Left - Front Right
  136. Limits: Playback 0 - 32
  137. Mono:
  138. Front Left: Playback 32 [100%] [0.00dB]
  139. Front Right: Playback 32 [100%] [0.00dB]
  140. Simple mixer control 'PGA8.0 8 Master',0
  141. Capabilities: pvolume
  142. Playback channels: Front Left - Front Right
  143. Limits: Playback 0 - 32
  144. Mono:
  145. Front Left: Playback 32 [100%] [0.00dB]
  146. Front Right: Playback 32 [100%] [0.00dB]
  147. Simple mixer control 'PGA9.0 9 Master',0
  148. Capabilities: pvolume
  149. Playback channels: Front Left - Front Right
  150. Limits: Playback 0 - 32
  151. Mono:
  152. Front Left: Playback 32 [100%] [0.00dB]
  153. Front Right: Playback 32 [100%] [0.00dB]
  154. ```
  155.  
  156. ```
  157. pactl list cards
  158. ```
  159. ```
  160. Card #0
  161. Name: alsa_card.pci-0000_00_1f.3-platform-skl_hda_dsp_generic
  162. Driver: module-alsa-card.c
  163. Owner Module: 6
  164. Properties:
  165. alsa.card = "0"
  166. alsa.card_name = "sof-hda-dsp"
  167. alsa.long_card_name = "TGL-AspireA514_54-V1.26-Lily_TL"
  168. alsa.driver_name = "snd_soc_skl_hda_dsp"
  169. device.bus_path = "pci-0000:00:1f.3-platform-skl_hda_dsp_generic"
  170. sysfs.path = "/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0"
  171. device.bus = "pci"
  172. device.vendor.id = "8086"
  173. device.vendor.name = "Intel Corporation"
  174. device.product.id = "a0c8"
  175. device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  176. device.string = "0"
  177. device.description = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  178. module-udev-detect.discovered = "1"
  179. device.icon_name = "audio-card-pci"
  180. Profiles:
  181. HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker): Play HiFi quality Music (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker) (sinks: 4, sources: 2, priority: 42968, available: yes)
  182. HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2): Play HiFi quality Music (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2) (sinks: 4, sources: 2, priority: 10300, available: yes)
  183. off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
  184. Active Profile: HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker)
  185. Ports:
  186. [Out] HDMI3: HDMI / DisplayPort 3 Output (type: HDMI, priority: 700, latency offset: 0 usec, not available)
  187. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker), HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  188. [Out] HDMI2: HDMI / DisplayPort 2 Output (type: HDMI, priority: 600, latency offset: 0 usec, not available)
  189. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker), HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  190. [Out] HDMI1: HDMI / DisplayPort 1 Output (type: HDMI, priority: 500, latency offset: 0 usec, not available)
  191. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker), HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  192. [Out] Speaker: Speaker (type: Speaker, priority: 100, latency offset: 0 usec, availability unknown)
  193. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker)
  194. [In] Mic2: Stereo Microphone (type: Mic, priority: 200, latency offset: 0 usec, availability unknown)
  195. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker), HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  196. [In] Mic1: Digital Microphone (type: Mic, priority: 100, latency offset: 0 usec, availability unknown)
  197. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Mic1, Mic2, Speaker), HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  198. [Out] Headphones: Headphones (type: Headphones, priority: 200, latency offset: 0 usec, not available)
  199. Part of profile(s): HiFi (HDMI1, HDMI2, HDMI3, Headphones, Mic1, Mic2)
  200. ```
  201.  
  202. ```
  203. pactl list sinks
  204. ```
  205. ```
  206. Sink #0
  207. State: IDLE
  208. Name: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI3__sink
  209. Description: Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 3 Output
  210. Driver: module-alsa-card.c
  211. Sample Specification: s16le 2ch 48000Hz
  212. Channel Map: front-left,front-right
  213. Owner Module: 6
  214. Mute: no
  215. Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
  216. balance 0.00
  217. Base Volume: 65536 / 100% / 0.00 dB
  218. Monitor Source: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI3__sink.monitor
  219. Latency: 6402 usec, configured 6944 usec
  220. Flags: HARDWARE DECIBEL_VOLUME LATENCY
  221. Properties:
  222. alsa.resolution_bits = "16"
  223. device.api = "alsa"
  224. device.class = "sound"
  225. alsa.class = "generic"
  226. alsa.subclass = "generic-mix"
  227. alsa.name = ""
  228. alsa.id = "HDMI3 (*)"
  229. alsa.subdevice = "0"
  230. alsa.subdevice_name = "subdevice #0"
  231. alsa.device = "5"
  232. alsa.card = "0"
  233. alsa.card_name = "sof-hda-dsp"
  234. alsa.long_card_name = "TGL-AspireA514_54-V1.26-Lily_TL"
  235. alsa.driver_name = "snd_soc_skl_hda_dsp"
  236. device.bus_path = "pci-0000:00:1f.3-platform-skl_hda_dsp_generic"
  237. sysfs.path = "/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0"
  238. device.bus = "pci"
  239. device.vendor.id = "8086"
  240. device.vendor.name = "Intel Corporation"
  241. device.product.id = "a0c8"
  242. device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  243. device.string = "_ucm0001.hw:sofhdadsp,5"
  244. device.buffering.buffer_size = "65536"
  245. device.buffering.fragment_size = "16384"
  246. device.access_mode = "mmap+timer"
  247. device.profile.name = "HiFi: HDMI3: sink"
  248. device.profile.description = "HDMI / DisplayPort 3 Output"
  249. alsa.mixer_device = "_ucm0001.hw:sofhdadsp"
  250. device.description = "Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 3 Output"
  251. module-udev-detect.discovered = "1"
  252. device.icon_name = "audio-card-pci"
  253. Ports:
  254. [Out] HDMI3: HDMI / DisplayPort 3 Output (type: HDMI, priority: 700, not available)
  255. Active Port: [Out] HDMI3
  256. Formats:
  257. pcm
  258.  
  259. Sink #1
  260. State: IDLE
  261. Name: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI2__sink
  262. Description: Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 2 Output
  263. Driver: module-alsa-card.c
  264. Sample Specification: s16le 2ch 48000Hz
  265. Channel Map: front-left,front-right
  266. Owner Module: 6
  267. Mute: no
  268. Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
  269. balance 0.00
  270. Base Volume: 65536 / 100% / 0.00 dB
  271. Monitor Source: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI2__sink.monitor
  272. Latency: 6368 usec, configured 6944 usec
  273. Flags: HARDWARE DECIBEL_VOLUME LATENCY
  274. Properties:
  275. alsa.resolution_bits = "16"
  276. device.api = "alsa"
  277. device.class = "sound"
  278. alsa.class = "generic"
  279. alsa.subclass = "generic-mix"
  280. alsa.name = ""
  281. alsa.id = "HDMI2 (*)"
  282. alsa.subdevice = "0"
  283. alsa.subdevice_name = "subdevice #0"
  284. alsa.device = "4"
  285. alsa.card = "0"
  286. alsa.card_name = "sof-hda-dsp"
  287. alsa.long_card_name = "TGL-AspireA514_54-V1.26-Lily_TL"
  288. alsa.driver_name = "snd_soc_skl_hda_dsp"
  289. device.bus_path = "pci-0000:00:1f.3-platform-skl_hda_dsp_generic"
  290. sysfs.path = "/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0"
  291. device.bus = "pci"
  292. device.vendor.id = "8086"
  293. device.vendor.name = "Intel Corporation"
  294. device.product.id = "a0c8"
  295. device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  296. device.string = "_ucm0001.hw:sofhdadsp,4"
  297. device.buffering.buffer_size = "65536"
  298. device.buffering.fragment_size = "16384"
  299. device.access_mode = "mmap+timer"
  300. device.profile.name = "HiFi: HDMI2: sink"
  301. device.profile.description = "HDMI / DisplayPort 2 Output"
  302. alsa.mixer_device = "_ucm0001.hw:sofhdadsp"
  303. device.description = "Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 2 Output"
  304. module-udev-detect.discovered = "1"
  305. device.icon_name = "audio-card-pci"
  306. Ports:
  307. [Out] HDMI2: HDMI / DisplayPort 2 Output (type: HDMI, priority: 600, not available)
  308. Active Port: [Out] HDMI2
  309. Formats:
  310. pcm
  311.  
  312. Sink #2
  313. State: IDLE
  314. Name: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI1__sink
  315. Description: Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 1 Output
  316. Driver: module-alsa-card.c
  317. Sample Specification: s16le 2ch 48000Hz
  318. Channel Map: front-left,front-right
  319. Owner Module: 6
  320. Mute: no
  321. Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
  322. balance 0.00
  323. Base Volume: 65536 / 100% / 0.00 dB
  324. Monitor Source: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__HDMI1__sink.monitor
  325. Latency: 7311 usec, configured 6944 usec
  326. Flags: HARDWARE DECIBEL_VOLUME LATENCY
  327. Properties:
  328. alsa.resolution_bits = "16"
  329. device.api = "alsa"
  330. device.class = "sound"
  331. alsa.class = "generic"
  332. alsa.subclass = "generic-mix"
  333. alsa.name = ""
  334. alsa.id = "HDMI1 (*)"
  335. alsa.subdevice = "0"
  336. alsa.subdevice_name = "subdevice #0"
  337. alsa.device = "3"
  338. alsa.card = "0"
  339. alsa.card_name = "sof-hda-dsp"
  340. alsa.long_card_name = "TGL-AspireA514_54-V1.26-Lily_TL"
  341. alsa.driver_name = "snd_soc_skl_hda_dsp"
  342. device.bus_path = "pci-0000:00:1f.3-platform-skl_hda_dsp_generic"
  343. sysfs.path = "/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0"
  344. device.bus = "pci"
  345. device.vendor.id = "8086"
  346. device.vendor.name = "Intel Corporation"
  347. device.product.id = "a0c8"
  348. device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  349. device.string = "_ucm0001.hw:sofhdadsp,3"
  350. device.buffering.buffer_size = "65536"
  351. device.buffering.fragment_size = "16384"
  352. device.access_mode = "mmap+timer"
  353. device.profile.name = "HiFi: HDMI1: sink"
  354. device.profile.description = "HDMI / DisplayPort 1 Output"
  355. alsa.mixer_device = "_ucm0001.hw:sofhdadsp"
  356. device.description = "Tiger Lake-LP Smart Sound Technology Audio Controller HDMI / DisplayPort 1 Output"
  357. module-udev-detect.discovered = "1"
  358. device.icon_name = "audio-card-pci"
  359. Ports:
  360. [Out] HDMI1: HDMI / DisplayPort 1 Output (type: HDMI, priority: 500, not available)
  361. Active Port: [Out] HDMI1
  362. Formats:
  363. pcm
  364.  
  365. Sink #5
  366. State: IDLE
  367. Name: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__Speaker__sink
  368. Description: Tiger Lake-LP Smart Sound Technology Audio Controller Speaker
  369. Driver: module-alsa-card.c
  370. Sample Specification: s16le 2ch 48000Hz
  371. Channel Map: front-left,front-right
  372. Owner Module: 6
  373. Mute: no
  374. Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
  375. balance 0.00
  376. Base Volume: 65536 / 100% / 0.00 dB
  377. Monitor Source: alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__Speaker__sink.monitor
  378. Latency: 6381 usec, configured 6944 usec
  379. Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
  380. Properties:
  381. alsa.resolution_bits = "16"
  382. device.api = "alsa"
  383. device.class = "sound"
  384. alsa.class = "generic"
  385. alsa.subclass = "generic-mix"
  386. alsa.name = ""
  387. alsa.id = "HDA Analog (*)"
  388. alsa.subdevice = "0"
  389. alsa.subdevice_name = "subdevice #0"
  390. alsa.device = "0"
  391. alsa.card = "0"
  392. alsa.card_name = "sof-hda-dsp"
  393. alsa.long_card_name = "TGL-AspireA514_54-V1.26-Lily_TL"
  394. alsa.driver_name = "snd_soc_skl_hda_dsp"
  395. device.bus_path = "pci-0000:00:1f.3-platform-skl_hda_dsp_generic"
  396. sysfs.path = "/devices/pci0000:00/0000:00:1f.3/skl_hda_dsp_generic/sound/card0"
  397. device.bus = "pci"
  398. device.vendor.id = "8086"
  399. device.vendor.name = "Intel Corporation"
  400. device.product.id = "a0c8"
  401. device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
  402. device.string = "_ucm0001.hw:sofhdadsp"
  403. device.buffering.buffer_size = "65536"
  404. device.buffering.fragment_size = "16384"
  405. device.access_mode = "mmap+timer"
  406. device.profile.name = "HiFi: Speaker: sink"
  407. device.profile.description = "Speaker"
  408. alsa.mixer_device = "_ucm0001.hw:sofhdadsp"
  409. device.description = "Tiger Lake-LP Smart Sound Technology Audio Controller Speaker"
  410. module-udev-detect.discovered = "1"
  411. device.icon_name = "audio-card-pci"
  412. Ports:
  413. [Out] Speaker: Speaker (type: Speaker, priority: 100, availability unknown)
  414. Active Port: [Out] Speaker
  415. Formats:
  416. pcm
  417. ```
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