linux-kernel - RE: [alsa-devel] [PATCH]Support MCP89 and GT21x hdmi audio

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Message-ID: <6B4D417B830BC44B8026029FD256F7F1C16B1AD555@HKMAIL01.nvidia.com>
Date:	Thu, 4 Mar 2010 19:09:29 +0800
From:	Wei Ni <wni@...dia.com>
To:	'Takashi Iwai' <tiwai@...e.de>
CC:	'Pavel Hofman' <pavel.hofman@...ite.cz>,
	'alsa-devel' <alsa-devel@...a-project.org>,
	'linux-kernel' <linux-kernel@...r.kernel.org>,
	'akpm' <akpm@...ux-foundation.org>
Subject: RE: [alsa-devel] [PATCH]Support MCP89 and GT21x hdmi audio

Hi, Takashi
I test my patch, it build successful when CONFIG_SND_HDA_*=y.
Could you give me your build error messages?

Thanks
Wei.
nvpublic

-----Original Message-----
From: Takashi Iwai [mailto:tiwai@...e.de] 
Sent: Thursday, March 04, 2010 6:57 PM
To: Wei Ni
Cc: 'Pavel Hofman'; 'alsa-devel'; 'linux-kernel'; 'akpm'
Subject: Re: [alsa-devel] [PATCH]Support MCP89 and GT21x hdmi audio

At Thu, 4 Mar 2010 18:46:59 +0800,
Wei Ni wrote:
> 
> Hi, Takashi
> I think we can submit my patch first,

But your patch breaks the build when CONFIG_SND_HDA_*=y.
So, it should be fixed in your patch.


thanks,

Takashi

> then generate another patch
> to add EXPORT_SYMBOL() in hda_eld.c, and change Makefile to remove
> hda_eld.o from snd-hda-codec-xxhdmi-objs.
> 
> Thanks
> Wei.
> nvpublic
> 
> -----Original Message-----
> From: Takashi Iwai [mailto:tiwai@...e.de] 
> Sent: Thursday, March 04, 2010 5:47 PM
> To: Wei Ni
> Cc: 'Pavel Hofman'; 'alsa-devel'; 'linux-kernel'; 'akpm'
> Subject: Re: [alsa-devel] [PATCH]Support MCP89 and GT21x hdmi audio
> 
> At Thu, 4 Mar 2010 10:21:39 +0800,
> Wei Ni wrote:
> > 
> > Hi, Takashi
> > 1. Yes, it can works for all Nvidia controller.
> 
> OK.
> 
> > 2. The hda_eld.o doesn't export any symbols.
> > I tried to put hda_eld.o to snd-had-codec-*, and remove had_eldo.o
> > from snd-had-codec-intelhdmi-objs, but it will build error. It need
> > to modify hda_eld.c to export symbols, it will add many changes.
> 
> Yes, this is unavoidable.  Please add EXPORT_SYMBOL()'s
> appropriately.
> 
> We can reduce them again once after all HDMI stuff is merged into
> one.
> 
> 
> thanks,
> 
> Takashi
> 
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