[alsa-devel] [PATCH] ASoC: Jack: add configurable option for irq_flag

[Mark Brown]

On Tue, Feb 12, 2013 at 11:07:02AM +0530, Omair Mohammed Abdullah wrote:
> From: Vaibhav Agarwal <vaibhav.agarwal at intel.com>

> For a jack using GPIO based detection, the framework sets it to trigger on both
> edges (rising and falling). Some codecs may provide only a falling or rising edge
> interrupt but not both.

If the device only interrupts on one edge how does it detect jack
removal?