Re: Help with D-Link DPH 50U (SGS Thomson 56k SoftModem?)

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Chris,

Please what it your kernel version
#  uname -r
and Linux Distro.

Under Linux, slusb.ko will not compile after 2.6.24 kernels.
What slmodem package are you using?

after the
slmodemd -c USA /dev/slusb0

open a 2nd console and try
# wvdialconf  /etc/wvdial.conf

MarvS

On Wed, Sep 10, 2008 at 10:26 AM, Chris B <striek5@xxxxxxxx> wrote:
> Hi!
>
> I recently acquired a D-Link DPH 50U Skype adapter and have been trying to get it working with skype on linux, but I'm a little unsure how to proceed.
>
> So why am I on the linmodem list?  My current understanding is that I can use some combination of slusb.ko, ALSA and slmodemd to get the audio working first, then see if I can get keypad/DTMF working later.
>
> The unit is a USB <=> RJ11 converter, and I've confirmed the hardware functions correctly on windows:
> http://www.dlink.com/products/?pid=466
>
> root@here$ lsusb -v
> Bus 001 Device 002: ID 0483:7554 SGS Thomson Microelectronics 56k SoftModem
>  idVendor           0x0483 SGS Thomson Microelectronics
>  idProduct          0x7554 56k SoftModem
>
> Running scanModem/Modem/ModemData.txt reveals:
> "The modem is supported by the Smartlink slusb"
>
> So I installed 32bit libs, 32bit alsa, 32bit skype, and compiled slusb.ko and slmodemd with alsa support, using this link:
> http://linmodems.technion.ac.il/packages/smartlink/slusb64bit-2.9.11-20070813.tar.gz
> (For anyone reading this later in the archive, that .tgz, using SUPPORT_ALSA=1, causes linking errors on AMD64.  You need to fiddle with modem/Makefile to get it linking correctly.)
>
> Now when I load the kernel module slusb.ko, I get an unsupported codec error:
>
> root@here: modprobe slusb
> root@here: dmesg
> [33800.101765] ST7554 USB Modem.
> [33800.103091] st7554 probe: unsupported codec st75951/2.
>
> ok, so I hack up the driver and recompile (!!!), and now I get:
> [33800.101765] ST7554 USB Modem.
> [33800.103091] st7554 probe: unsupported codec st75951/2.
> [33800.103096] **hack** ignoring unsupported codec **hack**
> [33800.117899] <6>slusb: slusb0 is found.
> [33800.117921] usbcore: registered new interface driver ST7554 USB Modem
>
> Great!
>
> root@here# slmodemd /dev/slusb0
> SmartLink Soft Modem: version 2.9.11 Sep  9 2008 22:32:22
> symbolic link `/dev/ttySL0' -> `/dev/pts/1' created.
> modem `slusb0' created. TTY is `/dev/pts/1'
> Use `/dev/ttySL0' as modem device, Ctrl+C for termination.
>
> (I haven't tried actually using the modem to dial out yet as I expect the missing codec will cause it to fail.)
>
>
>
> ...Okay, so now I'm stuck, no matter what arguments I pass to slmodemd, I can't get ALSA to recognize /dev/slusb0 or the ST7554...
>
>
> root@here: slmodemd --alsa
> error: mixer setup: attach hw:1 error: No such file or directory
> ALSA lib ../../src/conf.c:3952:(snd_config_expand) Unknown parameters 1
> ALSA lib ../../../src/pcm/pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM modem:1
> error: alsa setup: cannot open playback device 'modem:1': Invalid argument
> error: cannot setup device `modem:1'
>
>
> I don't mind debugging / writing code / stripping binary blobs / whatever, but at this point, I just don't know what path I need to follow to get this device recording and playing audio...  Do I use slusb.ko? ALSA? should I follow up the MC'97 leads?
>
> Any help would be greatly appreciated.
>
> D-Link DPH 50U Skype(TM) USB Phone Adapter
> Ubuntu 8.0.4, AMD64, 2.6.24-19-generic
> gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
> Bus 001 Device 002: ID 0483:7554 SGS Thomson Microelectronics 56k SoftModem
> Skype 2.0.0.68
> SmartLink Soft Modem: version 2.9.11 (hacked version to ignore unsupported codec, compiled locally)
> slusb vermagic: 2.6.24-19-generic SMP mod_unload
>
> Thanks in advance,
>  --Chris
>
>
>
>
>
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