On Thu, 14 Mar 2002, [iso-8859-15] Jörg Prante wrote:
>
> Here is a patch to solve an IrDA lockup when ALSA OSS is used with IrDA on
> Dell Inspiron 8100. Maybe some other laptops are concerned, too. Please test
> if other machines can use this patch.
>
> The ALSA OSS initialization code performs a hard reset on the IrDA port of a
> Dell Inspiron. No more data can be sent or received via the infrared port
> until a cold restart of the system (power down). The lockup will always
> happen when ALSA is started after IrDA which is normally the case.
>
> I found the ALSA OSS AC97 modem probe is the reason. This patch enables a
> workaround by a kernel option CONFIG_SOUND_NO_MODEM_PROBE which
> disables the modem probe if the option is enabled.
>
> The patch will be included in my upcoming kernel patch set -jp8.
>
> Please reply with CC since I am not subscribed to the Linux kernel mailing
> list.
A small note: The directory linux/sound/oss contains only OSS sources
moved from linux/drivers/sound. They are not related with ALSA in any way.
ALSA AC97 codec routines don't touch modem registers at all.
Jaroslav
-----
Jaroslav Kysela <perex@suse.cz>
Linux Kernel Sound Maintainer
ALSA Project http://www.alsa-project.org
SuSE Linux http://www.suse.com
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This archive was generated by hypermail 2b29 : Fri Mar 15 2002 - 22:00:18 EST