Announce: Via audio driver update
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Quoted 6 lines · Jeff Garzik
An update of the Via audio driver for Linux 2.4.x kernels has been posted at
Hi Jeff,
Somewhere between v1.1.8 and 1.1.10 (I haven't tried 1.1.9), the output quality has degraded noticeably. The first thing I noticed was a horrendous squeal when starting X: ESD/Enlightenment w/sound enabled theme. Possible feedback? May have to try with the mic unplugged. Any- way, this theme uses audible clicks when moving between windows. With versions .10 .12 .14; instead of click click click..., I get more of a click kheh heh heh heck click...... If I have pcm music playing all the time, the themed audio events all seem to work correctly. Acts like it's
not playing the buffers completely through otherwise. Also, playing music with these versions indicates a tad more background noise, kinda like tape hiss. Haven't had the time to see what changed in the source.
GCC: 2.95.2
binutils: 2.9.5.0.46
MB: Aopen AK72 w/Athlon 750
Host bridge: VIA Technologies, Inc. VT8371 [KX133] (rev 2). PCI bridge: VIA Technologies, Inc. VT8371 [KX133 AGP] (rev 0). ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 34).
IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 16).
Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 48). Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Controller (rev 32).
Thanks for the driver, by the way.
===============
-- TimO
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Quoted 6 lines · TimO
Quoted 4 lines · Jeff Garzik
An update of the Via audio driver for Linux 2.4.x kernels has been posted at
Quoted 6 lines
Quoted 2 lines
Hi Jeff,
Somewhere between v1.1.8 and 1.1.10 (I haven't tried 1.1.9), the output
Please grab 1.1.14, there were a number of bug fixes since 1.1.10. You can get this version in the recently-released 2.4.0-test10 kernel, or download from http://sourceforge.net/projects/gkernel/
Thanks,
Jeff
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Please read the FAQ at http://www.tux.org/lkml/Quoted 3 lines · Jeff Garzik
Please grab 1.1.14, there were a number of bug fixes since 1.1.10. You can get this version in the recently-released 2.4.0-test10 kernel, or download from http://sourceforge.net/projects/gkernel/
Hi!
I'd like to report a bug, too. On my system, with the test10 kernel, regardless of what frequency the software sets, the data is always played at 48 KHz.
Via 686a audio driver 1.1.14ac97_codec: AC97 Audio codec, id: 0x574d:0x4c00 (Wolfson WM9704)
via82cxxx: board #1 at 0xDC00, IRQ 10
The codec doesn't support variable rate input, as far as I know. Could that be the cause?
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Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] Please read the FAQ at http://www.tux.org/lkml/
Quoted 11 lines · Vojtech Pavlik
Quoted 3 lines · Jeff Garzik
Please grab 1.1.14, there were a number of bug fixes since 1.1.10. You can get this version in the recently-released 2.4.0-test10 kernel, or download from http://sourceforge.net/projects/gkernel/
Hi!
I'd like to report a bug, too. On my system, with the test10 kernel, regardless of what frequency the software sets, the data is always played at 48 KHz.
Quoted 6 lines
Via 686a audio driver 1.1.14
ac97_codec: AC97 Audio codec, id: 0x574d:0x4c00 (Wolfson WM9704)
via82cxxx: board #1 at0xDC00, IRQ 10The codec doesn't support variable rate input, as far as I know. Could that be the cause?
What is the difference between the VIA686A kernel distribution audio driver and the VIA686a module provided by ALSA (which works fine)? It seems like ALSA provides a fully functioning VIA686a module. Why the duplication of effort/re-coding? I suppose there is some major difference that I don't understand?
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