From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: "Hebbar, Gururaja" <gururaja.hebbar@ti.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"Nori, Sekhar" <nsekhar@ti.com>,
"davinci-linux-open-source@linux.davincidsp.com"
<davinci-linux-open-source@linux.davincidsp.com>,
"'sudhakar.raj@ti.com" <'sudhakar.raj@ti.com>,
"alsa-user@lists.sourceforge.net"
<alsa-user@lists.sourceforge.net>, "Girdwood, Liam" <lrg@ti.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: How to handle parameter variation across different boards but same platform
Date: Wed, 4 Jul 2012 15:01:18 +0100 [thread overview]
Message-ID: <20120704140118.GA4111@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1BAFE6F6C881BF42822005164F1491C33EA35456@DBDE01.ent.ti.com>
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On Wed, Jul 04, 2012 at 01:43:12PM +0000, Hebbar, Gururaja wrote:
> On Wed, Jul 04, 2012 at 18:47:50, Mark Brown wrote:
> > What do you mean by "board"? If these are plugin modules for your
> > platform you need to either identify this at runtime and register a
> > different machine driver or select at compile time.
> By board I mean a new development board.
> New board
> sysclk = 24MHz
> codec_name = "tlv320aic3x-codec.1-001b"
> Previous Board
> sysclk = 12MHz
> .codec_name = "tlv320aic3x-codec.2-001b",
> Both boards share the same machine is API (machine_is_am33xx()).
> So, is there any mechanism/api to differentiate these 2 boards inside
> Code?
> Has anyone else faced such situation?
If these are totally different boards they should have different machine
IDs set so machine_is_() should identify. If that isn't there then you
need to do something custom to your products to identify the boards
further.
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WARNING: multiple messages have this Message-ID (diff)
From: broonie@opensource.wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: How to handle parameter variation across different boards but same platform
Date: Wed, 4 Jul 2012 15:01:18 +0100 [thread overview]
Message-ID: <20120704140118.GA4111@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1BAFE6F6C881BF42822005164F1491C33EA35456@DBDE01.ent.ti.com>
On Wed, Jul 04, 2012 at 01:43:12PM +0000, Hebbar, Gururaja wrote:
> On Wed, Jul 04, 2012 at 18:47:50, Mark Brown wrote:
> > What do you mean by "board"? If these are plugin modules for your
> > platform you need to either identify this at runtime and register a
> > different machine driver or select at compile time.
> By board I mean a new development board.
> New board
> sysclk = 24MHz
> codec_name = "tlv320aic3x-codec.1-001b"
> Previous Board
> sysclk = 12MHz
> .codec_name = "tlv320aic3x-codec.2-001b",
> Both boards share the same machine is API (machine_is_am33xx()).
> So, is there any mechanism/api to differentiate these 2 boards inside
> Code?
> Has anyone else faced such situation?
If these are totally different boards they should have different machine
IDs set so machine_is_() should identify. If that isn't there then you
need to do something custom to your products to identify the boards
further.
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next prev parent reply other threads:[~2012-07-04 14:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 12:45 How to handle parameter variation across different boards but same platform Hebbar, Gururaja
2012-07-04 12:45 ` Hebbar, Gururaja
2012-07-04 13:17 ` Mark Brown
2012-07-04 13:17 ` Mark Brown
2012-07-04 13:43 ` Hebbar, Gururaja
2012-07-04 13:43 ` Hebbar, Gururaja
2012-07-04 14:01 ` Mark Brown [this message]
2012-07-04 14:01 ` Mark Brown
2012-07-04 14:17 ` Hebbar, Gururaja
2012-07-04 14:17 ` Hebbar, Gururaja
2012-07-04 14:27 ` Mark Brown
2012-07-04 14:27 ` Mark Brown
[not found] ` <20120704142745.GC4111-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-07-05 5:42 ` Vaibhav Hiremath
2012-07-05 5:42 ` Vaibhav Hiremath
2012-07-05 8:32 ` Arnd Bergmann
2012-07-05 8:32 ` Arnd Bergmann
2012-07-05 9:38 ` Mark Brown
2012-07-05 9:38 ` Mark Brown
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