Re: [PATCH] extcon: arizona: Implement button detection support

[Mark Brown]

On Thu, Jul 26, 2012 at 09:10:08AM +0900, Chanwoo Choi wrote:

> If user press BTN_0 and BTN_1 at the same time and then user only
> released BTN_0 but BTN_1 is still pressed, is it right that report
> released event to all of buttons? I think that different event between
> BTN_0 and BTN_1.

That situation can't occur, the hardware can only detect one button at
once - if two buttons are pressed simultaneusly only one will be
reported.  This is just a standard resistive headset button detection
mechanism.
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