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From: Liam Girdwood <lrg@kernel.org>
To: Mark Brown <broonie@sirena.org.uk>
Cc: Steve Sakoman <sakoman@gmail.com>,
	alsa-devel@alsa-project.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 2/4] SOUND: SOC: CODECS: Add support	for	the TWL4030 audio codec
Date: Tue, 02 Sep 2008 21:08:09 +0100	[thread overview]
Message-ID: <1220386089.6499.223.camel@odin> (raw)
In-Reply-To: <20080902185432.GA3553@sirena.org.uk>

On Tue, 2008-09-02 at 19:54 +0100, Mark Brown wrote:
> On Tue, Sep 02, 2008 at 09:36:29AM -0700, Steve Sakoman wrote:
> 
> > The chip allows 19.2 Mhz, 26 Mhz, or 38.4 Mhz input clocks to the
> > codec.  All existing boards (Overo, Beagle, and OMAP3 EVM) use 26 Mhz
> > (generated by a fixed external oscillator chip).  I'll check with the
> > Pandora folks, but I believe that they are also 26 Mhz.
> 
> OK, a comment to that effect somewhere (perhaps in set_sysclk() which
> only accepts 26MHz) probably wouldn't go amiss.

The codec set_sysclk() should also accept 19.2MHz and 38.4MHz otherwise
return -EINVAL. It should also have a nice comment too :)

Strange how the codec doesn't accept lower clocks when it's targeted at
a portable device....

Liam

  reply	other threads:[~2008-09-02 20:08 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-01 21:57 [PATCH 0/4] ARM: OMAP2: Add support for Gumstix Overo sakoman
2008-09-01 21:57 ` [PATCH 1/4] ARM: OMAP2: Add support for the Gumstix Overo board sakoman
2008-09-01 21:57   ` [PATCH 2/4] SOUND: SOC: CODECS: Add support for the TWL4030 audio codec sakoman
2008-09-01 21:57     ` [PATCH 3/4] SOUND: SOC: OMAP: Add support for Gumstix Overo sakoman
2008-09-01 21:57       ` [PATCH 4/4] ARM: OMAP2: deconfig for the Gumstix Overo board sakoman
2008-09-02 11:29       ` [PATCH 3/4] SOUND: SOC: OMAP: Add support for Gumstix Overo Mark Brown
2008-09-02 13:19         ` Steve Sakoman
2008-09-02 11:26     ` [PATCH 2/4] SOUND: SOC: CODECS: Add support for the TWL4030 audio codec Mark Brown
2008-09-02 12:27       ` [alsa-devel] " Felipe Balbi
2008-09-02 14:25       ` Steve Sakoman
2008-09-02 14:53         ` Mark Brown
2008-09-02 16:36           ` Steve Sakoman
2008-09-02 18:54             ` [alsa-devel] " Mark Brown
2008-09-02 20:08               ` Liam Girdwood [this message]
2008-09-02 20:31                 ` Mark Brown
2008-09-02 20:51                   ` Liam Girdwood
2008-09-02 20:48                 ` [alsa-devel] " Steve Sakoman
2008-09-02 20:38               ` David Brownell
2008-09-02  0:46   ` [PATCH 1/4] ARM: OMAP2: Add support for the Gumstix Overo board Felipe Balbi
     [not found]   ` <200809020815.58792.david-b@pacbell.net>
2008-09-02 16:04     ` Steve Sakoman
2008-09-02 20:58   ` Russell King - ARM Linux
2008-09-02 21:06     ` Steve Sakoman

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