Karmic beta, same problem -- max sound volume is like 25% compared to
Jaunty. Everything was fine with every previous release of Ubuntu.
lspci -v:
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237
AC97 Audio Controller (rev 50)
Subsystem: Giga-byte Technology Device a002
Flags: medium devsel, IRQ 22
I/O ports at e800 [size=256]
Capabilities: [c0] Power Management version 2
Kernel driver in use: VIA 82xx Audio
Kernel modules: snd-via82xx
aplay -l:
**** List of PLAYBACK Hardware Devices ****
card 0: V8235 [VIA 8235], device 0: VIA 8235 [VIA 8235]
Subdevices: 3/4
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
card 0: V8235 [VIA 8235], device 1: VIA 8235 [VIA 8235]
Subdevices: 1/1
Subdevice #0: subdevice #0
/proc/asound/cards:
0 [V8235 ]: VIA8233 - VIA 8235
VIA 8235 with ALC655 at 0xe800, irq 22
/proc/asound/card0/codec97#0/ac97#0-0:
0-0/0: Realtek ALC655 rev 0
PCI Subsys Vendor: 0x1458
PCI Subsys Device: 0xa002
Flags: 0
Revision : 0x00
Compat. Class : 0x00
Subsys. Vendor ID: 0xffff
Subsys. ID : 0xffff
Capabilities :
DAC resolution : 16-bit
ADC resolution : 16-bit
3D enhancement : No 3D Stereo Enhancement
Current setup
Mic gain : +0dB [+0dB]
POP path : pre 3D
Sim. stereo : off
3D enhancement : off
Loudness : off
Mono output : MIX
Mic select : Mic1
ADC/DAC loopback : off
Extended ID : codec=0 rev=2 LDAC SDAC CDAC DSA=0 SPDIF
Extended status : SPCV LDAC SDAC CDAC SPDIF=3/4 SPDIF
SPDIF Control : Consumer PCM Category=0x2 Generation=1 Rate=48kHz
--
Volume very low under 9.10
https://bugs.launchpad.net/bugs/382821
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