linux-kernel - RE: [PATCH] ASoc : Tegra : Add audio map for Asymptote

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Message-ID: <74CDBE0F657A3D45AFBB94109FB122FF173EDABA51@HQMAIL01.nvidia.com>
Date:	Tue, 1 Nov 2011 09:55:59 -0700
From:	Stephen Warren <swarren@...dia.com>
To:	Taylor Hutt <thutt@...omium.org>
CC:	"miletus@...omium.org" <miletus@...omium.org>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: RE: [PATCH] ASoc : Tegra : Add audio map for Asymptote

Taylor Hutt wrote at Tuesday, November 01, 2011 10:33 AM:
> Details
> 
>   Add pin connections and audio map for the Asymptote board.
> 
> Testing
> 
>   Visual inspection with Chromium OS 2.6.38 code.
>   Built kernel
>   Built chromium os image
>   Booted image on asymptote
>   Booted image on kaen

Presumably all that testing was within the chromeos-3.0 kernel, not
mainline; asymptote isn't supported in mainline.

This patch can't be applied for a few reasons:

a) Asymptote isn't in mainline's arch/arm/tools/mach-types. This means
that function machine_is_asymptote() doesn't exists, and this code can't
compile.

b) Even if the machine were in mach-types, there's no board file for
asymptote, so Russell King's automated mach-types cleanup script would
flag asymptote for removal and eventually it'd go away. This is the same
reason we recently removed Ventana support from tegra_wm8903.c. I'm not
sure how this will work once we have device-tree-only boards; I guess
we need to remove all the machine_is_foo() checks from the code and
parameterize everything from DT instead.

-- 
nvpublic

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