From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Clemens Ladisch" <cladisch@fastmail.net>
Subject: Re: [PATCH 2/2] sis7019: add support for pre-2.6
	kernels
Date: Mon, 10 Dec 2007 08:53:02 +0100
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To: Dave Dillow <dave@thedillows.org>, alsa-devel@alsa-project.org
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Dave Dillow wrote:
> The sis7019 driver uses __ffs(), which is available in 2.6 kernels, but
> not in most earlier ones. This patches the driver to use a local version
> assembly version, as the hardware is SiS 55x only (i486/Pentium-ish).
> 
> ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
> ++static inline unsigned long sis_ffs(unsigned long word)
> ++{
> ++	__asm__("bsfl %1,%0"
> ++		:"=r" (word)
> ++		:"rm" (word));
> ++	return word;
> ++}
> ++#endif

This should go into alsa-driver/include/adriver.h.


Regards,
Clemens