[linux-audio-user] Midiator MS-124w w/ALSA0.9.0beta12

Subject: [linux-audio-user] Midiator MS-124w w/ALSA0.9.0beta12
From: Darwin Marcus Johnson (schwaahed_AT_yahoo.com)
Date: Sat Mar 02 2002 - 17:33:30 EET

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Hi All,

I am trying to get my Midiator Midi interface working with ALSA0.9.0beta 12. I
am trying to insert the snd-serial-u16550 module. My /etc/modules.conf
seems to have the right options for this card.

Does anyone have a Midiator Midi interface working with the ALSA support?

Does anyone have another serial interface working with the snd-serial-u16550
module?

Can anyone point me to any documentation on setting up the modules beside
the 1 page in the ALSA-HOWTO that contain this info below?

-Thanks
Darwin

From the ALSA-HOWTO:
----snip------------------------
snd_port - port # for UART16550A chip
snd_irq - IRQ # for UART16550A chip, -1 = poll mode
snd_divisor - divisor to calculate bit rate
                        115200bps / # - 3 = 38.4kbpsdefault
snd_ports - number of MIDI ports 1,2,3,4 - 1 = default
----snip-----------------------

# modprobe snd-serial-u16550

I get these error messages:
----snip-----------------------
Note: /etc/modules.conf is more recent than
/lib/modules/2.4.18-rc1/modules.dep
/lib/modules/2.4.18-rc1/kernel/driver/sound/snd-serial-u16550.o: init_module:
No such device
Hint: insmod errors can be caused by incorrect module parameters, including
invalid IO or IRQ parameters
/lib/modules/2.4.18-rc1/kernel/driver/sound/snd-serial-u16550.o: insmod
/lib/modules/2.4.18-rc1/kernel/driver/sound/snd-serial-u16550.o failed
/lib/modules/2.4.18-rc1/kernel/driver/sound/snd-serial-u16550.o: insmod
snd-serial-u16550 failed
----snip-------------------------

# setserial -a /dev/ttyS0
/dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
        Baud_base: 57600, close_delay: 50, divisor: 1
        closing_wait: 3000
        Flags: spd_normal skip_test

# cat /etc/modules.conf
----snip-------------------------
# ALSA native device support
alias char-major-116 snd
options snd snd_major=116 snd_cards_limit=2
alias snd-card-0 snd-cs46xx
alias snd-card-1 snd-serial-u16550
# snd-cs46xx Options
options snd-card cs46xx snd_index=0 snd_id="CS46XX" \
        snd_dac_frame_size=128 snd_adc_frame_size=128

# snd-serial-u16550 Options
options snd-serial-u16550 snd_index=1 snd_id="MidiatorMS124w" \
        snd_port=0x03f8 snd_irq=4 #snd_divisor=1 snd_ports=1
----snip-------------------------------

• Next message: Eric Dantan Rzewnicki: "[linux-audio-user] Suggested changes to Low_latency-Mini-HOWTO"
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