[alsa-devel] acer aspire 8943g with alc670

Jaroslav Kysela perex at perex.cz
Thu Jul 29 17:10:12 CEST 2010

On Thu, 29 Jul 2010, Miroslav Šulc wrote:

> Dne 29.7.2010 15:20, Raymond Yau napsal(a):
>> 2010/7/29 Miroslav Šulc <fordfrog at gmail.com>
>>>  hello,
>>> i'd like to help with making the above soundcard to fully work, but have
>>> no clue what to do exactly. currently the soundcard works pretty weird,
>>> though at least sound goes out :-)
>>> i tried hda analyzer but did not find any documentation for it so have
>>> no idea what to do exactly. also, when clicking AUD_IN nodes, i get this
>>> error:
>>> ** (hda_analyzer.py:10063): WARNING **: column number is a boolean, but
>>> will be interpreted as an integer; this is likely not what you intended
>>> Traceback (most recent call last):
>>>  File "/dev/shm/hda-analyzer/hda_analyzer.py", line 308, in
>>> selection_changed_cb
>>>    self.__refresh()
>>>  File "/dev/shm/hda-analyzer/hda_analyzer.py", line 276, in __refresh
>>>    self.load()
>>>  File "/dev/shm/hda-analyzer/hda_analyzer.py", line 336, in load
>>>    self.node_window.add(NodeGui(node=n))
>>>  File "/dev/shm/hda-analyzer/hda_guilib.py", line 86, in __init__
>>>    self.__build_node(node, doframe)
>>>  File "/dev/shm/hda-analyzer/hda_guilib.py", line 682, in __build_node
>>>    vbox.pack_start(self.__build_amps(node), False, False)
>>>  File "/dev/shm/hda-analyzer/hda_guilib.py", line 365, in __build_amps
>>>    node.in_amp and node.amp_vals_in or None)
>>>  File "/dev/shm/hda-analyzer/hda_guilib.py", line 328, in build_caps
>>>    if ctl.hdactl.amp_index_match(idx):
>>>  File "/dev/shm/hda-analyzer/hda_proc.py", line 170, in amp_index_match
>>>    count = (self.amp_chs & 1) + ((self.amp_chs >> 1) & 1)
>>> TypeError: unsupported operand type(s) for &: 'NoneType' and 'int'

I fixed this issue in the alsa.git repo now.

>>> can anybody pls direct me to some documentation that could help me to
>>> master hda analyzer and find the way to make the card work correctly?
>>> miroslav
>> By using alc670 alsa-info.txt in the alsa bugtracker ,
> ok, i will post one once i restart my pc as i played with the settings
> of the driver so i guess the output might be affected.
>> the latest version
>> hda_analyzer don't has any error message when clicking AUD_IN node
> well, in the night i downloaded the app from
> http://www.alsa-project.org/hda-analyzer.py and have the issue. now also
> tried alsa git repo and the result is the same, so the bug really is
> there, at least for me. i can try to debug it in netbeans if i find out
> how (i do not code in python nor do i use it as coder).
>> Not sure your error is due to using  /proc instead of text file since I
>> don't have your codec
> i tried both, using proc and passing alsa-info.txt file to
> hda-analyzer.py, both with the same result.

Put alsa-info.txt somewhere to download or point me to this file in a 

>> There are error messages when click the "graph" button to generate the
>> graph.
>> About the graph
>> the blue line - connected audio path
>> the grey line - unconncted audio path
>> the line turn red when you put the mouse cursor near any line ,
> so hovering over gray connection makes the connection in the card
> driver, and hovering over blue connection disables the connection?

No, you need to edit the node (use open in context menu - right click on 


Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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