ASoC: Implement interrupt based jack detection

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Allow microphone detection on WM8962 to be performed using the interrupt
signal, allowing the detection of both microphone presence and button
presses with a signal singal from the CODEC to CPU.  Currently a 250ms
debounce time is applied to both short circuit and presence detection,
this has not been optimised.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

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Mark Brown 2010-09-30 15:37:53 -07:00

parent 3367b8d427

commit 7711308ae6

2 changed files with 88 additions and 0 deletions

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85

sound/soc/codecs/wm8962.c

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3

sound/soc/codecs/wm8962.h

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