From: Juergen Sawinski <juergen.sawinski@mpimf-heidelberg.mpg.de>
To: "linux-kernel@vger" <linux-kernel@vger.kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Jim Radford <radford@robotics.caltech.edu>,
Andris Pavenis <pavenis@latnet.lv>,
Doug Ledford <dledford@redhat.com>
Subject: [PATCH 2.4.20-pre4-ac2] fix broken i810_audio DMA (?)
Date: 29 Aug 2002 03:39:28 +0200 [thread overview]
Message-ID: <1030585168.2548.18.camel@volans> (raw)
Changes:
-remove dma reset in stop_{dac,adc}
(from ICH4 manual: contents of all Bus master related registers to be
reset; so, probably some registers are not re-initilized properly on
consecutive re-opening of /dev/dsp ???)
-remove writes to OFF_CIV, instead set LVI relative to CIV
and some stuff that was already in the last diff I send to the list:
-implement a codec ID <-> IO register offset mapping
-in i810_ioctl, case SNDCTL_DSP_CHANNELS: only touch bits 20:21
off GLOB_CNT (multichannel capabilities)
-AMD 8111 has 6 hw channels so I must have mmio (but I don't have
any docs to verify this)
-minor fixes
--
Juergen "George" Sawinski
Max-Planck Institute for Medical Research
Dept. of Biomedical Optics
Jahnstr. 29
D-69120 Heidelberg
Germany
Phone: +49-6221-486-308
Fax: +49-6221-486-325
priv.
Phone: +49-6221-418 858
Mobile: +49-171-532 5302
next reply other threads:[~2002-08-29 1:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-29 1:39 Juergen Sawinski [this message]
2002-08-29 16:26 ` [PATCH 2.4.20-pre4-ac2] fix broken i810_audio DMA (?) Juergen Sawinski
2002-08-29 16:43 ` Andris Pavenis
2002-08-29 16:50 ` Jim Radford
2002-08-29 16:59 ` Juergen Sawinski
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