At Thu, 7 Aug 2003 14:51:13 +0200,
Gregoire Favre wrote:
>
> Hello,
>
> I want to use the http://bitstreamout.sourceforge.net/ and in it there
> is a dif about a bug:
oh, i remember this one in my deepest memory...
>
> Index: alsa-kernel/pci/emu10k1/emupcm.c
> ===================================================================
> RCS file: /suse/tiwai/cvs/alsa/alsa-kernel/pci/emu10k1/emupcm.c,v
> retrieving revision 1.20
> diff -u -r1.20 emupcm.c
> --- alsa-kernel/pci/emu10k1/emupcm.c 9 Apr 2003 14:58:28 -0000 1.20
> +++ alsa-kernel/pci/emu10k1/emupcm.c 24 Apr 2003 09:59:19 -0000
> @@ -666,8 +666,11 @@
> #else /* EMU10K1 Open Source code from Creative */
> if (ptr < epcm->ccca_start_addr)
> ptr += runtime->buffer_size - epcm->ccca_start_addr;
> - else
> + else {
> ptr -= epcm->ccca_start_addr;
> + if (ptr >= runtime->buffer_size)
> + ptr -= runtime->buffer_size;
> + }
> #endif
> // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr,
> runtime->buffer_size, runtime->period_size);
> return ptr;
>
> I have just checked my 2.6.0-test2-bk4 kernel, and it seems it's not
> applied: is it really a bug, should I really apply it?
it's a rather a workaround and is harmless in normal cases.
however, i don't know if this really fixes the problem.
when i gave this patch, the answer was no...
could someone verify this?
if this patch really matters, i'll commit it.
Takashi
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