[mythtv-users] Audio up/down/mute don't work after upgrade

[Joan Vallés]

Hi James,

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>>
wrote:

> Hiya,
>
> 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_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
> snd_timer              24836  2 snd_pcm,snd_seq
> snd_seq_device          9612  5
> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
> snd                    56996  11
>
> snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
> soundcore               8800  1 snd
>
>
> And "$ lspci |grep Audio" is:
>
> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev
> a2)
>
> 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!
>
> -James
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>



-- 
Joan
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