Try the following workaround:
1. Create /etc/modprobe.d/1330-sound and add:
options snd-hda-intel model=5stack
2. Create /etc/acpi/suspend.d/86-1330-sound.sh and add:
#!/bin/sh
modprobe -r snd_hda_intel
3. Create /etc/acpi/resume.d/66-1330-sound.sh and add:
#!/bin/sh
modprobe snd_hda_intel
4. Add to /etc/rc.local:
modlist=`lsmod | grep snd_hda`
[ -z "$modlist" ] && modprobe snd_hda_intel
This worked for me.
** Changed in: dell
Importance: Undecided => High
Status: New => Confirmed
** Also affects: linux-ubuntu-modules-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
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sound doesn't work after suspend
https://bugs.launchpad.net/bugs/148043
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