ASoC: improve MCLKDIV calculation in wm8978, when OPCLK is not used

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In case, if OPCLK is not used, and PLL is used for driving the codec, the
choice of PLL output frequency could result in a needlessly imprecise
system clock frequency. Use an iterative process to select a precise
configuration.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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Guennadi Liakhovetski 2010-01-29 14:51:26 +01:00 • committed by Mark Brown

parent b2c3e92311

commit b058091379

1 changed files with 78 additions and 37 deletions

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115

sound/soc/codecs/wm8978.c

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