tree 2cdd0cf276e9ab6f1af6d9cf2dbe660b046b1235
parent 2ea659a9ef488125eb46da6eb571de5eae5c43f6
author Sugar Zhang <sugar.zhang@rock-chips.com> 1496998366 +0800
committer Mark Brown <broonie@kernel.org> 1497386883 +0100

ASoC: rockchip: i2s: add a delay before i2s clear

in order to guarantee i2s lrck signal integrity, when i2s stop,
need at least one lrck cycle to ensure signal integrity.

the max delay time is when lrck is 8khz, the delay time is
125us(1/8khz), using udelay(150) with a 25us margin.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>