[alsa-devel] [PATCH 2/2] ASoC: rt5640: enable LDO1 before creating regmap

Mark Brown broonie at kernel.org
Thu Jun 13 11:30:38 CEST 2013

On Wed, Jun 12, 2013 at 03:34:24PM -0600, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> Enable the LDO1_EN GPIO to the CODEC, which enables the device to show
> up on the I2C bus, before creating the regmap object. This guarantees
> that if devm_regmap_init_i2c() were to attempt to communicate with the
> device, it would be able to.

Is this an actual issue?  Unless specifically asked to the regmap code
really shouldn't be interacting with the hardware and the ordering the
code currently has is the standard one so if we're having problems then
a number of other drivers ought to be fixed.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20130613/213a36da/attachment.sig>

More information about the Alsa-devel mailing list