Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] alsa switches to IEC958 - no sound from speakers
Date: Sun, 15 Feb 2015 20:02:58
Message-Id: 201502152002.49545.michaelkintzios@gmail.com
1 Something went sideways recently and I now find that only IEC958 is available
2 as the default audio device. Trying to change it to an analogue device does
3 not take. This PC has alsa only, no pulseaudio.
4
5 $ cat /proc/asound/devices
6 0: [ 0] : control
7 4: [ 0- 0]: hardware dependent
8 19: [ 0- 3]: digital audio playback
9 32: [ 1] : control
10 33: : timer
11 36: [ 1- 0]: hardware dependent
12 48: [ 1- 0]: digital audio playback
13 49: [ 1- 1]: digital audio playback
14 56: [ 1- 0]: digital audio capture
15 58: [ 1- 2]: digital audio capture
16
17
18 $ aplay -l
19 **** List of PLAYBACK Hardware Devices ****
20 card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
21 Subdevices: 1/1
22 Subdevice #0: subdevice #0
23 card 1: Generic_1 [HD-Audio Generic], device 0: ID 887 Analog [ID 887 Analog]
24 Subdevices: 1/1
25 Subdevice #0: subdevice #0
26 card 1: Generic_1 [HD-Audio Generic], device 1: ID 887 Digital [ID 887
27 Digital]
28 Subdevices: 1/1
29 Subdevice #0: subdevice #0
30
31
32 $ aplay -L
33 null
34 Discard all samples (playback) or generate zero samples (capture)
35 hdmi:CARD=Generic,DEV=0
36 HD-Audio Generic, HDMI 0
37 HDMI Audio Output
38 default:CARD=Generic_1
39 HD-Audio Generic, ID 887 Analog
40 Default Audio Device
41 sysdefault:CARD=Generic_1
42 HD-Audio Generic, ID 887 Analog
43 Default Audio Device
44 front:CARD=Generic_1,DEV=0
45 HD-Audio Generic, ID 887 Analog
46 Front speakers
47 surround21:CARD=Generic_1,DEV=0
48 HD-Audio Generic, ID 887 Analog
49 2.1 Surround output to Front and Subwoofer speakers
50 surround40:CARD=Generic_1,DEV=0
51 HD-Audio Generic, ID 887 Analog
52 4.0 Surround output to Front and Rear speakers
53 surround41:CARD=Generic_1,DEV=0
54 HD-Audio Generic, ID 887 Analog
55 4.1 Surround output to Front, Rear and Subwoofer speakers
56 surround50:CARD=Generic_1,DEV=0
57 HD-Audio Generic, ID 887 Analog
58 5.0 Surround output to Front, Center and Rear speakers
59 surround51:CARD=Generic_1,DEV=0
60 HD-Audio Generic, ID 887 Analog
61 5.1 Surround output to Front, Center, Rear and Subwoofer speakers
62 surround71:CARD=Generic_1,DEV=0
63 HD-Audio Generic, ID 887 Analog
64 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
65 iec958:CARD=Generic_1,DEV=0
66 HD-Audio Generic, ID 887 Digital
67 IEC958 (S/PDIF) Digital Audio Output
68
69 There is no /etc/alsa/, or /etc/asound.conf, or ~.asound.rc
70
71
72 How do I take back control of the default audio device on this PC?
73
74 --
75 Regards,
76 Mick

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[gentoo-user] Re: alsa switches to IEC958 - no sound from speakers Mick <michaelkintzios@×××××.com>