[alsa-devel] [PATCH 2/2] ASoC: codecs: ad193x: Reset DAC Control 1 register at probe
Mark Brown
broonie at kernel.org
Wed Jun 26 13:23:31 CEST 2019
On Wed, Jun 26, 2019 at 01:49:47PM +0300, Codrin Ciubotariu wrote:
> Since the ad193x codecs have no software reset, we have to reinitialize the
> registers after a hardware reset. For example, if we change the
> device-tree between these resets, changing the audio format of the DAI link
> from DSP_A with 8 TDM channels to I2S 2 channels, DAC Control 1 register
> will remain configured for 8 channels. This patch resets this register at
> probe to its default value.
Would it not be more robust/complete to have a set of register defaults
and write the whole lot out rather than individually going through and
adding writes for specific registers as needed?
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20190626/97c16dbe/attachment.sig>
More information about the Alsa-devel
mailing list