Re: [PATCH] Fix complete freeze on Dell latitude in nm256_audio.c

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 22 May 2002 19:16:08 +0100 (BST)


> Please add this to the 2.4 tree. Without it, Dell Latitude laptops
> completely freeze when loading the module. Thanks.

The change below has been in the tree for a while already

> --- linux/drivers/sound/nm256_audio.c.orig Sun Sep 30 21:26:08 2001
> +++ linux/drivers/sound/nm256_audio.c Wed May 22 19:46:48 2002
> @@ -896,7 +896,9 @@
>
> /* Reset the mixer. 'Tis magic! */
> nm256_writePort8 (card, 2, 0x6c0, 1);
> - nm256_writePort8 (card, 2, 0x6cc, 0x87);
> + /* The following line crashes Dell Latitude laptops and doesn't
> + * seem to do any harm on other machines.
> + nm256_writePort8 (card, 2, 0x6cc, 0x87); */
> nm256_writePort8 (card, 2, 0x6cc, 0x80);
> nm256_writePort8 (card, 2, 0x6cc, 0x0);

-
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