From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751758Ab2G0Gp0 (ORCPT ); Fri, 27 Jul 2012 02:45:26 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:15263 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751407Ab2G0GpY (ORCPT ); Fri, 27 Jul 2012 02:45:24 -0400 X-AuditID: cbfee61a-b7f616d000004b7e-b4-501238f94a39 Message-id: <501238FB.6020403@samsung.com> Date: Fri, 27 Jul 2012 15:45:15 +0900 From: Chanwoo Choi User-Agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-version: 1.0 To: Mark Brown Cc: Greg Kroah-Hartman , MyungJoo Ham , patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] extcon: arizona: Implement button detection support References: <1342800449-10328-1-git-send-email-broonie@opensource.wolfsonmicro.com> <500F8DB4.30401@samsung.com> <20120725111105.GI3099@opensource.wolfsonmicro.com> <50108AE0.5070502@samsung.com> <20120726081110.GA26373@opensource.wolfsonmicro.com> In-reply-to: <20120726081110.GA26373@opensource.wolfsonmicro.com> Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJLMWRmVeSWpSXmKPExsVy+t9jQd2fFkIBBrcvK1pc3jWHzYHR4/Mm uQDGKC6blNSczLLUIn27BK6MniXrmQoWslbcPP+AtYFxIksXIyeHhICJRMOuFihbTOLCvfVs ILaQwHRGiavfXLoYuYDsLiaJGy/+MYEkeAW0JG792sIKYrMIqEr8PPsEzGYDiu9/cQOomYND VCBC4lc/B0S5oMSPyfdYQMIiQLt+368EGckssJhR4s+eB4wgNcICHhK3O1exQ+xqYpK4OLMX LMEp4ChxZ/s2sL3MAjoS+1unsUHY8hKb17xlnsAoMAvJjllIymYhKVvAyLyKUTS1ILmgOCk9 11CvODG3uDQvXS85P3cTIzgAn0ntYFzZYHGIUYCDUYmHdyKvUIAQa2JZcWXuIUYJDmYlEd7n fEAh3pTEyqrUovz4otKc1OJDjNIcLErivMbeX/2FBNITS1KzU1MLUotgskwcnFINjC7WR5lP e/Sap8qLl5uqaloamBT3Lsy+G7apxXqt7qsK985Zue9dNBV/Re+WkXrLXHIo+63NrnNM4dW1 WxPfbeicXPim6eHDl+0R0d9C2+PW5ge4+Uu9CD91isu04+EvyySPB898szZ/nJY8SzHo5JEn x93FTrZMufU9TfhCRHPHu43r/hXLK7EUZyQaajEXFScCAMrYhjU8AgAA X-TM-AS-MML: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/26/2012 05:11 PM, Mark Brown wrote: > 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. > OK, Acked-by: Chanwoo Choi Thank you, Chanwoo Choi