Public bug reported:
This guy on freenode #ubuntu+1 had working sound in feisty and now it doesn't
work in gutsy.
He ran a script which dumped all the alsa info (the output is posted below).
His sound card was
based on the Intel HDA specification and the codec chip was a "SigmaTel
STAC9221 A1" / "conexant".
Relevant comments from other people on IRC:
<crimsun> support for that codec is incomplete
<crimsun> i.e., patch_conexant.c doesn't contain the necessary pins/nids for it
1. ################################
2. ALSA Information Script v 0.4.33
3. ################################
4.
5. Script ran on: Sun Sep 23 09:46:37 CDT 2007
6.
7.
8. Linux Distribution
9. ------------------
10.
11. Ubuntu gutsy (development branch) \n \l DISTRIB_ID=Ubuntu
DISTRIB_DESCRIPTION="Ubuntu gutsy (development branch)"
12.
13.
14. Kernel Information
15. ------------------
16.
17. Kernel release: 2.6.22-12-generic
18. Operating System: GNU/Linux
19. Architecture: i686
20. Processor: unknown
21. SMP Enabled: Yes
22.
23.
24. ALSA Version
25. ------------
26.
27. Driver version: 1.0.14
28. Library version:
29. Utilities version: 1.0.14
30.
31.
32. Loaded ALSA modules
33. -------------------
34.
35. snd_hda_intel
36. snd_usb_audio
37.
38.
39. Soundcards recognised by ALSA
40. -----------------------------
41.
42. 0 [Intel ]: HDA-Intel - HDA Intel
43. HDA Intel at 0xdfffc000 irq 20
44. 1 [U0x46d0x8c6 ]: USB-Audio - USB Device 0x46d:0x8c6
45. USB Device 0x46d:0x8c6 at usb-0000:00:1d.7-5, high
speed
46.
47.
48. PCI Soundcards installed in the system
49. --------------------------------------
50.
51. 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High
Definition Audio Controller (rev 01)
52.
53.
54. Advanced information - PCI Vendor/Device/Susbsystem ID's
55. --------------------------------------------------------
56.
57. 00:1b.0 0403: 8086:27d8 (rev 01)
58. Subsystem: 1028:01d7
59.
60.
61. Modprobe options (Sound related)
62. --------------------------------
63.
64. snd-bt87x: index=-2
65. snd-cx88_alsa: index=-2
66. snd-atiixp-modem: index=-2
67. snd-intel8x0m: index=-2
68. snd-via82xx-modem: index=-2
69. snd-usb-audio: index=-2
70. snd-usb-usx2y: index=-2
71. snd-usb-caiaq: index=-2
72. snd-cmipci: mpu_port=0x330 fm_port=0x388
73.
74.
75. HDA-Intel Codec information
76. ---------------------------
77.
78. Codec: Conexant ID 2bfa
79. Address: 1
80. Vendor Id: 0x14f12bfa
81. Subsystem Id: 0x14f100c3
82. Revision Id: 0x90000
83.
84.
85. ALSA Device nodes
86. -----------------
87.
88. crw-rw---- 1 root audio 116, 6 2007-09-22 00:08 /dev/snd/controlC0
89. crw-rw---- 1 root audio 116, 5 2007-09-22 00:08 /dev/snd/controlC1
90. crw-rw---- 1 root audio 116, 4 2007-09-22 00:08 /dev/snd/pcmC1D0c
91. crw-rw---- 1 root audio 116, 3 2007-09-22 00:08 /dev/snd/seq
92. crw-rw---- 1 root audio 116, 2 2007-09-22 00:08 /dev/snd/timer
93.
94.
95. Aplay/Arecord output
96. ------------
97.
98. APLAY
99.
100. **** List of PLAYBACK Hardware Devices ****
101.
102. ARECORD
103.
104. **** List of CAPTURE Hardware Devices ****
105. card 1: U0x46d0x8c6 [USB Device 0x46d:0x8c6], device 0: USB Audio [USB
Audio]
106. Subdevices: 1/1
107. Subdevice #0: subdevice #0
108.
109. Amixer output
110. -------------
111.
112. -------Mixer controls for card 0 [Intel]
113.
114. Simple mixer control 'PCM',0
115. Capabilities: pvolume
116. Playback channels: Front Left - Front Right
117. Limits: Playback 0 - 255
118. Mono:
119. Front Left: Playback 255 [100%] [0.00dB]
120. Front Right: Playback 255 [100%] [0.00dB]
121.
122. -------Mixer controls for card 1 [U0x46d0x8c6]
123.
124. Simple mixer control 'Mic',0
125. Capabilities: cvolume cswitch cswitch-joined
126. Capture channels: Mono
127. Limits: Capture 0 - 3072
128. Mono: Capture 0 [0%] [20.00dB] [on]
129.
130.
131. All Loaded Modules
132. ------------------
133.
134. Module
135. michael_mic
136. arc4
137. ecb
138. blkcipher
139. ieee80211_crypt_tkip
140. af_packet
141. binfmt_misc
142. ipv6
143. ppdev
144. acpi_cpufreq
145. cpufreq_stats
146. cpufreq_powersave
147. cpufreq_conservative
148. cpufreq_userspace
149. cpufreq_ondemand
150. freq_table
151. video
152. ac
153. button
154. battery
155. container
156. dock
157. sbs
158. sbp2
159. parport_pc
160. lp
161. parport
162. snd_usb_audio
163. snd_usb_lib
164. snd_hwdep
165. snd_hda_intel
166. joydev
167. snd_pcm_oss
168. snd_seq_dummy
169. snd_mixer_oss
170. snd_pcm
171. snd_seq_oss
172. snd_seq_midi
173. snd_rawmidi
174. snd_seq_midi_event
175. snd_seq
176. snd_timer
177. uvcvideo
178. snd_seq_device
179. nvidia
180. ipw3945
181. compat_ioctl32
182. videodev
183. v4l1_compat
184. v4l2_common
185. snd
186. ieee80211
187. ieee80211_crypt
188. serio_raw
189. i2c_core
190. psmouse
191. pcspkr
192. soundcore
193. iTCO_wdt
194. iTCO_vendor_support
195. sdhci
196. mmc_core
197. intel_agp
198. agpgart
199. snd_page_alloc
200. shpchp
201. pci_hotplug
202. evdev
203. ext3
204. jbd
205. mbcache
206. sg
207. sr_mod
208. cdrom
209. sd_mod
210. ata_generic
211. ohci1394
212. ieee1394
213. b44
214. mii
215. ehci_hcd
216. ata_piix
217. libata
218. scsi_mod
219. uhci_hcd
220. usbcore
221. thermal
222. processor
223. fan
224. fuse
225. apparmor
226. commoncap
** Affects: ubuntu
Importance: Undecided
Status: New
--
hda/conexant sound worked in feisty, broken in gutsy
https://bugs.launchpad.net/bugs/144240
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