linux-kernel - Re: CS5530 Alsa driver fails

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Date:	Wed, 01 Aug 2007 14:11:35 +0200
From:	Rafał Bilski <rafalbilski@...eria.pl>
To:	Takashi Iwai <tiwai@...e.de>
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

>> 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

> -	if (request_irq(irq, irq_handler, hardware == SB_HW_ALS4000 ?
> +	if (request_irq(irq, irq_handler,
> +			(hardware == SB_HW_ALS4000 ||
> +			 hardware == SB_HW_CS5530) ?

CS5530: XpressAudio at 0x220
CS5530: MPU at 0x330
CS5530: IRQ: 9 DMA8: 0 DMA16: 5
ALSA sound/isa/sb/sb_common.c:91: snd_sbdsp_reset [0x220] failed...
CS5530: Could not create SoundBlaster

Does this mean that interrupt cannot be shared? Or is this something 
worse?

Thanks
Rafał


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