/usr/share/doc/alsa-utils/README.init.cs4236 is in alsa-utils 1.0.27.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #! /bin/bash
## Provided by Mkarcher at http://www.thinkwiki.org/wiki/Script_for_configuring_the_CS4239_sound_chip_in_PnP_mode
## Modified by Daniel T Chen for Debian/Ubuntu, redistributable
## under GPLv2 or later
for dev in /sys/bus/pnp/devices/*
do
grep CSC0100 $dev/id > /dev/null && WSSDEV=$dev
grep CSC0110 $dev/id > /dev/null && CTLDEV=$dev
done
echo activate > $WSSDEV/resources
echo activate > $CTLDEV/resources
{ read
read bla port1
read bla port2
read bla port3
read bla irq
read bla dma1
read bla dma2
# Hack: with PnPBIOS: ports are: port1: WSS, port2: OPL, port3: sb (unneeded)
# with ACPI-PnP:ports are: port1: OPL, port2: sb, port3: WSS
# (ACPI bios seems to be wrong here, the PnP-card-code in snd-cs4236.c uses the
# PnPBIOS port order)
# Detect port order using the fixed OPL port as reference
if [ ${port2%%-*} = 0x388 ]
then
# PnPBIOS: usual order
port=${port1%%-*}
oplport=${port2%%-*}
else
# ACPI: mixed-up order
port=${port3%%-*}
oplport=${port1%%-*}
fi
} < $WSSDEV/resources
{ read
read bla port1
cport=${port1%%-*}
} < $CTLDEV/resources
modprobe snd-cs4236 port=$port cport=$cport fm_port=$oplport irq=$irq dma1=$dma1 dma2=$dma2 isapnp=0
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