On Tue, Mar 30, 2010 at 1:30 PM, Christian König
<deathsim...@vodafone.de> wrote:
> Hi,
>
>> > It seems your TV refuses to use audio from analog stereo cable, when
>> > it detects audio enabled over/in HDMI (just enabled, even purely
>> > silent as in your case). And it seems we enable HDMI mode even when
>> > you use radeon.audio=0.
>> >
>> > I've no idea what could affect this between 2.6.33-rc8 and 2.6.33
>> > (stable). The list of changes for drm/radeon taken from
>> > http://lkml.org/lkml/2010/2/24/301 :
>>
>> It doesn't seem to be the kernel, actually. I already tried with
>> booting rc8
>> and it is the same. Must be one of the other parts, then...
> I also have no idea which change caused this, but the fix is rather
> simple, just also disable the HDMI encoders when the audio codec gets
> disabled by the module option. A patch is attached.
>
>> Can you provide "lspci" output by the way?
> This is the second laptop where I see this strange configuration. From
> the video drivers point of view everything is present (audio codec, HDMI
> encoders, etc...), but the audio codec doesn't seems to be connected to
> the PCI bus, so alsa can't see it.
>
> I have no idea how we could auto detect this case, but the attached
> patch should be a good workaround.

We should probably also only enable the audio timer when we enable
audio otherwise it just keeps the CPU awake.

Alex

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