From: David Hinds <dhinds@sonic.net>
To: Ivica Ico Bukvic <ico@fuse.net>,
daniel.ritz@gmx.ch, 'Tim Blechmann' <TimBlechmann@gmx.net>,
'Thomas Charbonnel' <thomas@undata.org>,
ccheney@debian.org, linux-pcmcia@lists.infradead.org,
alsa-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [linux-audio-user] snd-hdsp+cardbus+M6807 notebook=distortion -- FIXED!
Date: Mon, 12 Apr 2004 02:08:17 -0700 [thread overview]
Message-ID: <20040412090817.GA3158@sonic.net> (raw)
In-Reply-To: <20040412082801.A3972@flint.arm.linux.org.uk>
On Mon, Apr 12, 2004 at 08:28:01AM +0100, Russell King wrote:
>
> > 3) FOR FURTHER INVESTIGATION: Does linux hdsp driver force the f0
> > value upon the 0x81 register or is it that in Linux one simply
> > cannot select d0 value for whatever reason
>
> I suspect it may be caused by using a byte access to a longword-sized
> register. 0x81 is supposed to be accessed via:
>
> setpci -s a.0 0x80.l
>
> which of course means its bits 8 to 15.
I don't think so; I'm not sure what the PCI spec has to say about it,
but I have not had problems doing byte reads/writes for longer PCI
configuration registers. Bit 9 of the sysctl register for the TI 1410
is "socket activity"; it is read only and is cleared after each read.
The key change is setting bit 14 (enable upstream burst reads).
Regarding the register at 0xc9, I don't think that is defined in any
TI bridge data sheet; it is in a "reserved" range.
-- Dave
next prev parent reply other threads:[~2004-04-12 9:08 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-10 1:47 [linux-audio-user] snd-hdsp+cardbus+M6807 notebook=distortion -- First good news Daniel Ritz
2004-04-10 3:30 ` Ivica Ico Bukvic
2004-04-10 3:30 ` Ivica Ico Bukvic
2004-04-11 13:25 ` Russell King
2004-04-11 16:08 ` Tim Blechmann
2004-04-11 23:45 ` Daniel Ritz
2004-04-12 1:39 ` [linux-audio-user] snd-hdsp+cardbus+M6807 notebook=distortion -- FIXED! Ivica Ico Bukvic
2004-04-12 1:39 ` Ivica Ico Bukvic
2004-04-12 5:24 ` aplay playback-pointer Mathieu Rondonneau
2004-04-12 15:45 ` start stop Mathieu Rondonneau
2004-04-12 16:58 ` start stop resolved Mathieu Rondonneau
2004-04-12 17:59 ` start stop Jaroslav Kysela
2004-04-13 16:25 ` aplay playback-pointer Clemens Ladisch
2004-04-14 3:06 ` aplay noise Mathieu Rondonneau
2004-04-17 21:06 ` arecord wav file, buffer different Mathieu Rondonneau
2004-04-20 9:08 ` Clemens Ladisch
2004-04-12 7:28 ` [linux-audio-user] snd-hdsp+cardbus+M6807 notebook=distortion -- FIXED! Russell King
2004-04-12 9:08 ` David Hinds [this message]
2004-04-12 9:27 ` Russell King
2004-04-12 14:40 ` Ivica Ico Bukvic
2004-04-12 14:40 ` Ivica Ico Bukvic
2004-04-12 14:53 ` Russell King
2004-04-12 15:31 ` Daniel Ritz
2004-04-12 15:38 ` Russell King
2004-04-12 18:03 ` Daniel Ritz
2004-04-14 13:41 ` Tim Blechmann
2004-04-12 22:06 ` Tim Blechmann
2004-04-12 22:06 ` Tim Blechmann
2004-04-12 11:02 ` Tim Blechmann
2004-04-12 11:02 ` Tim Blechmann
2004-04-12 10:39 ` Russell King
2004-04-12 12:09 ` Tim Blechmann
2004-04-12 15:19 ` Daniel Ritz
2004-04-12 15:19 ` Daniel Ritz
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