ALSA HD modem driver

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Hello Lajos, MarvS and all otehr interrested,

I did some debugging of the ALSA driver while trying to get the modem working 
with alsa > 1.0.12.
Here are the results!

Jan 16 20:03:46 YYYY kernel: ALSA 
XXX/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:555: hda_intel: 
azx_get_response timeout, switching to polling mode...

Vanishes if enable_msi=1 set in /etc/modprobe.d/sound


If starting actual ALSA driver from repository:

Jan 18 13:31:45 YYYY kernel: PCI: Setting latency timer of device 0000:00:1b.0 
to 64
Jan 18 13:31:45 YYYY kernel: ALSA 
XX/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:696: codec_mask 
= 0x3
Jan 18 13:31:45 YYYY kernel: ALSA XXX/alsa-driver/pci/hda/hda_codec.c:1764: 
hda_codec: model 'fujitsu' is selected for config 10cf:1326 (Fujitsu S702X)

 Starting slmodemd and dialing gives:

# ./slmodemd -a -c GERMANY hw:0,6
SmartLink Soft Modem: version 2.9.11 Jan  1 2007 16:52:00
symbolic link `/dev/ttySL0' -> `/dev/pts/9' created.
modem `hw:0,6' created. TTY is `/dev/pts/9'
Use `/dev/ttySL0' as modem device, Ctrl+C for termination.
error: cannot setup hw params for playback: Invalid argument


 And in syslog:

an 18 13:32:48 YYYY kernel: ALSA XXX/alsa-driver/pci/hda/hda_codec.c:627: 
hda_codec_setup_stream: NID=0x1, stream=0x0, channel=0, format=0x0
Jan 18 13:32:48 YYYY kernel: ALSA XXX/alsa-driver/pci/hda/hda_codec.c:1400: 
invalid rate 9600
Jan 18 13:32:48 YYYY kernel: ALSA 
XXX/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:1153: 
hda-intel: invalid format_val, rate=9600, ch=1, format=2

The problem here is the stram number 0x0! It should be (according to 
documentation) something between 0x1 and 0xf.
Seems to be a bug somewhere!

Still looking for the details!

Joern

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