From: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alasinski <alasinski@rogers.com>, alsa-devel@lists.sourceforge.net
Subject: Re: Re: How to access vendor specific AC97 codec register?
Date: Thu, 20 Apr 2006 17:37:04 +0100 [thread overview]
Message-ID: <1145551024.25762.13.camel@localhost.localdomain> (raw)
In-Reply-To: <s5hirp4z0bo.wl%tiwai@suse.de>
On Thu, 2006-04-20 at 18:19 +0200, Takashi Iwai wrote:
> At Thu, 20 Apr 2006 17:13:47 +0100,
> Liam Girdwood wrote:
> >
> > Alternatively, you could always export the vendor specific registers
> > using sysfs. That way your user space program could read and write to
> > the codec registers exported. I've done this with the codec GPIO status
> > register (0x54) for the WM97xx touch drivers.
>
> Well, I don't think sysfs as an API is a good idea although you can
> use it as a simple workaround...
>
Agreed, I really only use it for testing. Although, a standard AC97 gpio
API would be nice (if anyone has the time to add one).
Liam
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next prev parent reply other threads:[~2006-04-20 16:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-20 15:05 How to access vendor specific AC97 codec register ? alasinski
2006-04-20 15:20 ` Takashi Iwai
2006-04-20 15:34 ` alasinski
2006-04-20 15:58 ` Takashi Iwai
2006-04-20 16:15 ` alasinski
2006-04-20 15:27 ` Lee Revell
2006-04-20 15:48 ` How to access vendor specific AC97 codec register? alasinski
2006-04-20 16:13 ` Liam Girdwood
2006-04-20 16:19 ` Takashi Iwai
2006-04-20 16:37 ` Liam Girdwood [this message]
2006-04-20 16:37 ` Re: How to access vendor specific AC97 codecregister? alasinski
2006-04-20 16:57 ` Liam Girdwood
2006-04-20 17:40 ` Re: Re: How to access vendor specific AC97codecregister? alasinski
2006-04-20 18:14 ` Liam Girdwood
2006-04-20 18:54 ` Re: Re: Re: How to access vendor specificAC97codecregister? alasinski
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