linux-kernel - Re: [PATCH] extcon: palmas: Dont set USB state if ID pin is grounded

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Date:	Tue, 10 Sep 2013 14:03:08 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	George Cherian <george.cherian@...com>
CC:	<linux-kernel@...r.kernel.org>, <myungjoo.ham@...sung.com>,
	<cw00.choi@...sung.com>, <ldewangan@...dia.com>
Subject: Re: [PATCH] extcon: palmas: Dont set USB state if ID pin is grounded

On Tuesday 10 September 2013 02:01 PM, George Cherian wrote:
> On 9/10/2013 1:54 PM, Kishon Vijay Abraham I wrote:
>> Hi,
>>
>> On Tuesday 10 September 2013 01:19 PM, George Cherian wrote:
>>> In OMAP5 when USB-HOST is set true, the VBUS regulator  is turned ON.
>>> This causes a VBUS interrupt, ignore the same if we are already in
>>> USB-HOST.
>> You'll get VBUS interrupt when detaching USB-HOST cable also no? (because you
>> do a regulator disable to SMPS10).
> Yes since we are ignoring the previous interrupt(for attach), the detach is
> accounted as a spurious one.
> If we dont igonre the attach then the USB is set to true, which is wrong.

Alright, thanks.

-Kishon
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