I have the same problem but unfortunately none of the solutions listed above have worked. I'm running Jaunty on an HP Mini 1000 (110) and have tried countless proposed solutions countless times. I know that this thread has been dead for a little while, but I would really appreciate some help.

aplay -l:

card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


lspci -v:

00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, fast devsel, latency 0
	Capabilities: <access denied>
	Kernel driver in use: agpgart-intel
	Kernel modules: intel-agp

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at fe980000 (32-bit, non-prefetchable) [size=512K]
	I/O ports at dc80 [size=8]
	Memory at d0000000 (32-bit, prefetchable) [size=256M]
	Memory at fe940000 (32-bit, non-prefetchable) [size=256K]
	Capabilities: <access denied>
	Kernel modules: intelfb

00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, fast devsel, latency 0
	Memory at fe880000 (32-bit, non-prefetchable) [size=512K]
	Capabilities: <access denied>

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at fe938000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel

00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
	Flags: bus master, fast devsel, latency 0
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: fea00000-feafffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport-driver
	Kernel modules: shpchp

00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
	Flags: bus master, fast devsel, latency 0
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: feb00000-febfffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport-driver
	Kernel modules: shpchp

00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0, IRQ 23
	I/O ports at dc00 [size=32]
	Kernel driver in use: uhci_hcd

00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0, IRQ 19
	I/O ports at d880 [size=32]
	Kernel driver in use: uhci_hcd

00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0, IRQ 18
	I/O ports at d800 [size=32]
	Kernel driver in use: uhci_hcd

00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0, IRQ 16
	I/O ports at d480 [size=32]
	Kernel driver in use: uhci_hcd

00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) (prog-if 20)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0, IRQ 23
	Memory at fe937c00 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) (prog-if 01)
	Flags: bus master, fast devsel, latency 0
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=32
	Capabilities: <access denied>

00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, medium devsel, latency 0
	Capabilities: <access denied>
	Kernel modules: iTCO_wdt, intel-rng

00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02) (prog-if 8f [Master SecP SecO PriP PriO])
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
	I/O ports at d400 [size=8]
	I/O ports at d080 [size=4]
	I/O ports at d000 [size=8]
	I/O ports at cc80 [size=4]
	I/O ports at cc00 [size=16]
	Memory at fe937800 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ata_piix

00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: medium devsel, IRQ 5
	I/O ports at 0400 [size=32]
	Kernel modules: i2c-i801

01:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
	Subsystem: Hewlett-Packard Company Device 1507
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at feafc000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: wl
	Kernel modules: wl

02:00.0 Ethernet controller: Attansic Technology Corp. Device 1062 (rev c0)
	Subsystem: Hewlett-Packard Company Device 308f
	Flags: bus master, fast devsel, latency 0, IRQ 11
	Memory at febc0000 (64-bit, non-prefetchable) [size=256K]
	I/O ports at ec80 [size=128]
	Capabilities: <access denied>