tree 35d455861e9298ddae3e78140c8e9cb872419921
parent f086ba9d5389cc9a309958c9e7c92460f1cfca5e
author Peter Rosin <peda@axentia.se> 1422454571 +0100
committer Mark Brown <broonie@kernel.org> 1422473333 +0000

ASoC: pcm512x: Avoid the PLL for the DAC clock, if possible

The PLL introduces jitter, which in turn introduces noice if used
to clock the DAC. Thus, avoid the PLL output, and use the PLL input
to drive the DAC clock, if possible.

This is described for the PCM5142/PCM5242 chips in the answers to the
forum post "PCM5142/PCM5242 DAC clock source" at the TI E2E community
pages (1).

(1) http://e2e.ti.com/support/data_converters/audio_converters/f/64/t/389994

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Mark Brown <broonie@kernel.org>