[mythtv-users] Audio up/down/mute don't work after upgrade
joan.valles at gmail.com
Mon Apr 28 06:51:22 UTC 2008
Same thing here, I've tried any combination of settings I could imagine and
I wasn't able to make it work. I also have MCP51 High Definition Audio, so
this might be the clue...
On Sun, Apr 27, 2008 at 8:02 PM, James Cummings <
james+mythtv at cummingsfamily.org.uk <james%2Bmythtv at cummingsfamily.org.uk>>
> I've just upgraded my myth box to Ubuntu 8.04, and most things seem to
> be working ok (not yet tried everything...) however, something is
> wrong with the control of sound.
> When I am playing live tv or watching a recording, I cannot
> raise/lower the volume or mute.
> Now it isn't the remote control or lircd because when I press the keys
> the correct thing is displayed on the screen. I.e. when I press
> volume down multiple times, the volume bar comes on the screen and I
> can raise and lower it...it just has no actual effect on the volume.
> Same with mute, I get 'mute on' temporarily on the screen, but it
> doesn't mute it.
> So it seems like it is something to do with the audio settings, I've
> looked in general -> audio page and tried a few non-alsa settings as
> well as the default, /dev/dsp, etc. but nothing seems to work. (one
> setting did remove the ability to appear to be changing it at all).
> My mythtv specific audio settings are:
> Audio output device: ALSA:default (but tried all of them)
> Passthrough: default
> Max Audio Channels: Stereo
> Upmix: Passive
> x Use internal volume controls
> Mixer: ALSA:default (but tried /dev/mixer as well)
> Mixer Controls: Master (but tried PCM as well)
> The output of "alsamixer":
> alsamixer: function snd_mixer_load failed: No such file or directory
> and "lsmod |grep snd":
> ~$ lsmod |grep snd
> snd_hda_intel 344728 0
> snd_pcm_oss 42144 0
> snd_mixer_oss 17920 1 snd_pcm_oss
> snd_pcm 78596 2 snd_hda_intel,snd_pcm_oss
> snd_page_alloc 11400 2 snd_hda_intel,snd_pcm
> snd_hwdep 10500 1 snd_hda_intel
> snd_seq_dummy 4868 0
> snd_seq_oss 35584 0
> snd_seq_midi 9376 0
> snd_rawmidi 25760 1 snd_seq_midi
> snd_seq_midi_event 8320 2 snd_seq_oss,snd_seq_midi
> snd_seq 54224 6
> snd_timer 24836 2 snd_pcm,snd_seq
> snd_seq_device 9612 5
> snd 56996 11
> soundcore 8800 1 snd
> And "$ lspci |grep Audio" is:
> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev
> and output of "$ aplay -l" is:
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: ALC861 Analog [ALC861 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> Just in case any of that helps.
> Any suggestions appreciated!
> mythtv-users mailing list
> mythtv-users at mythtv.org
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