linux-kernel - Re: CS5530 Alsa driver fails

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Message-ID: <s5hodhrttz1.wl%tiwai@suse.de>
Date:	Wed, 01 Aug 2007 12:44:18 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Rafał Bilski <rafalbilski@...eria.pl>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jaroslav Kysela <perex@...e.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: CS5530 Alsa driver fails

At Wed, 1 Aug 2007 00:53:10 +0100,
Alan Cox wrote:
> 
> > After "modprobe snd-cs5530" I have:
> > CS5530: XpressAudio at 0x220
> > CS5530: MPU at 0x330
> > CS5530: IRQ: 9 DMA8: 0 DMA16: 5
> > sb: can't grab irq 9
> > CS5530: Could not create SoundBlaster
> > CS5530_Audio: probe of 0000:00:12.3 failed with error -16
> 
> Might be worth setting the IRQ to sharable. I've never seen a 5530 with
> the sound IRQ shared so I don't know if that works and is a valid
> configuration for the VSA firmware

The relevant patch is below.  Please give it a try.


Takashi

diff -r e173dbb87aa6 sound/isa/sb/sb_common.c
--- a/sound/isa/sb/sb_common.c	Wed Aug 01 12:22:07 2007 +0200
+++ b/sound/isa/sb/sb_common.c	Wed Aug 01 12:42:39 2007 +0200
@@ -234,7 +234,9 @@ int snd_sbdsp_create(struct snd_card *ca
 	chip->dma16 = -1;
 	chip->port = port;
 	
-	if (request_irq(irq, irq_handler, hardware == SB_HW_ALS4000 ?
+	if (request_irq(irq, irq_handler,
+			(hardware == SB_HW_ALS4000 ||
+			 hardware == SB_HW_CS5530) ?
 			IRQF_SHARED : IRQF_DISABLED,
 			"SoundBlaster", (void *) chip)) {
 		snd_printk(KERN_ERR "sb: can't grab irq %d\n", irq);

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