[alsa-devel] No mixers on ATI RS780 Azalia

Jan Engelhardt jengelh at medozas.de
Thu May 27 12:32:22 CEST 2010

On Wednesday 2010-05-26 15:58, Clemens Ladisch wrote:
>Jan Engelhardt wrote:
>> On Wednesday 2010-05-26 14:10, Takashi Iwai wrote:
>>>> /proc/asound/cards:
>>>>  0 [SB  ]: HDA-Intel - HDA ATI SB
>>>>            HDA ATI SB at 0xf0500000 irq 16
>>>>  1 [HDMI]: HDA-Intel - HDA ATI HDMI
>>>>            HDA ATI HDMI at 0xf0110000 irq 19
>>>> The soundcard responsible for the internal speaker is the 01:05.1/"HDMI" 
>>>> one.
>>>Hmm?  HDMI output as the "internal" speaker is abnormal.
>> The "SB" card has many more mixers (counting  10) and Windows XP also
>> shows about that many for SB. But neither in Linux nor Windows does
>> the SB card have any effect; I do have to turn the bars of the "HDMI"
>> one.
>> Abnormal, well. It's (semi-)embedded, what did you expect.
>It is extremely unlike that your embedded device has separate chips to
>decode the HDMI sound signal and then convert it to analog, when the
>same is already available with the normal HDA device.
>Your alsa-info output shows that there is an ALC262 codec connected
>to the "SB" device; this chip wouldn't have been put there if it didn't
>have a function.
>Try unmuting and raising both the Master and Beep controls.

I unmuted everything and bumped the sliders to 100% but that does not
change a thing unfortunately; opening the right device (C1D3p) using
the suggested `aplay -vv -Dhdmi:1` or `mplayer -ao
alsa:device=hw=1.3` does not make any noise either.

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