From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: alsa-devel@alsa-project.org, Shawn Guo <shawn.guo@linaro.org>,
Sascha Hauer <kernel@pengutronix.de>
Subject: Re: Adding wm8962 support to mx6qsabresd
Date: Wed, 19 Dec 2012 16:42:01 +0000 [thread overview]
Message-ID: <20121219164201.GU4985@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CAOMZO5BLH-r77EMduGz7jOQVQcFyvW721UEiHY+sE1d7T4mwVA@mail.gmail.com>
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On Wed, Dec 19, 2012 at 02:33:58PM -0200, Fabio Estevam wrote:
> I am working on adding audio support to mx6qsabresd board, which
> contains a wm8962 codec.
Without seeing your code or knowing which kernel version you're running
it's a bit hard to comment...
> wm8962 0-001a: wm8962->lrclk = 44100
> wm8962 0-001a: Selected sysclk ratio 256
> wm8962 0-001a: read 4 => ffffffff
> wm8962 0-001a: Failed to read DSPCLK: -1
This suggests that physical I/O to the device isn't working. Is it
clocked and powered?
> wm8962 0-001a: read 3 => 100
> wm8962 0-001a: write 3 = 100
> wm8962 0-001a: ASoC: POST_PMU: HPOUTR PGA event failed: -5
You've not enabled any of the debug in the driver... it might give you
some hints.
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next prev parent reply other threads:[~2012-12-19 16:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-19 16:33 Adding wm8962 support to mx6qsabresd Fabio Estevam
2012-12-19 16:42 ` Mark Brown [this message]
2012-12-20 6:21 ` Shawn Guo
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