Re: Problems recording sound with ISAPnp Soundcard since Kernel-2.4.x

[Magic Phibo <phibo@gmx.li>]

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>> Since upgrade to Kernel-2.4.x (currently 2.4.10) I got problems recording sound
>> causing following error message in /var/log/messages:
>> 
>> Sep 30 15:53:16 osiris kernel: Sound: DMA (input) timed out - IRQ/DRQ configerror?
>> 
>> It's a redhat dist. (7.0) with a Yamaha ISAPnp Soundcard (OPL3 YMF719) and a
>> self configured Kernel-2.4.10.
>> 
>> [...]
>> 
>
>I also noticed this problem ...
>There is a problem with the initialization of the DMA channels (dma and
>dma2 are never set to the real dma channels, and they remain at -1).
>Applying this patch fix this error.
>
> [...]

I applied this patch and now recording works fine. So, the problem is fixed !

Thanks a lot !


Cheers,
Phibo

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diff -ur linux.orig/drivers/sound/opl3sa2.c linux/drivers/sound/opl3sa2.c
--- linux.orig/drivers/sound/opl3sa2.c	Wed Oct  3 09:36:16 2001
+++ linux/drivers/sound/opl3sa2.c	Wed Oct  3 09:41:28 2001
@@ -862,9 +862,9 @@
 
 	/* Our own config: */
 	hw_cfg->io_base = dev->resource[4].start;
-	hw_cfg->irq     = 0;
-	hw_cfg->dma     = -1;
-	hw_cfg->dma2    = -1;
+	hw_cfg->irq     = dev->irq_resource[0].start;
+	hw_cfg->dma     = dev->dma_resource[0].start;
+	hw_cfg->dma2    = dev->dma_resource[1].start;
 	
 	/* The MSS config: */
 	mss_cfg->io_base      = dev->resource[1].start;
@@ -944,9 +944,9 @@
 			 *  give pretty output from conf_printf. :)
 			 */
 			cfg[card].io_base = io;
-			cfg[card].irq     = 0;
-			cfg[card].dma     = -1;
-			cfg[card].dma2    = -1;
+			cfg[card].irq     = irq;
+			cfg[card].dma     = dma;
+			cfg[card].dma2    = dma2;
 	
 			/* The MSS config: */
 			cfg_mss[card].io_base      = mss_io;