I don't know if this thread is obsolete, but I just want to report the results of what I had done.
My laptop is Compaq Presario, CQ40-324TU
Code:
cat /proc/asound/card0/codec#* | grep Codec
Codec: IDT 92HD71B7X
Codec: LSI ID 1040
Codec: Intel G45 DEVCTG
Code:
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 3: INTEL HDMI [INTEL HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
Alsamixer 1.0.18 reported:
Card: HDA Intel
Chip: Intel G45 DEVCTG
Solved by following instruction from this thread
http://ubuntuforums.org/showthread.php?t=1043568
Hope this help.
Henry
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