From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F142EC4727E for ; Wed, 30 Sep 2020 12:04:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C51432076E for ; Wed, 30 Sep 2020 12:04:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729568AbgI3MEs (ORCPT ); Wed, 30 Sep 2020 08:04:48 -0400 Received: from smtp.asem.it ([151.1.184.197]:63339 "EHLO smtp.asem.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728270AbgI3MEs (ORCPT ); Wed, 30 Sep 2020 08:04:48 -0400 Received: from webmail.asem.it by asem.it (smtp.asem.it) (SecurityGateway 6.5.2) with ESMTP id SG000514340.MSG for ; Wed, 30 Sep 2020 14:04:45 +0200S Received: from ASAS044.asem.intra (172.16.16.44) by ASAS044.asem.intra (172.16.16.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 30 Sep 2020 14:04:43 +0200 Received: from ASAS044.asem.intra ([::1]) by ASAS044.asem.intra ([::1]) with mapi id 15.01.1979.003; Wed, 30 Sep 2020 14:04:43 +0200 From: Flavio Suligoi To: Andy Shevchenko CC: Bartosz Golaszewski , Andy Shevchenko , "linux-gpio@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: How to use an ACPI declared GPIO in a userspace ... Thread-Topic: How to use an ACPI declared GPIO in a userspace ... Thread-Index: AdaWdniTedAZ6+9wQdyYYgE5sQ27yP//4UoAgAAGTYD//91o0IAAJ14A//6Yg1A= Date: Wed, 30 Sep 2020 12:04:43 +0000 Message-ID: <22753b53cd7d4dfba4ef3610f71cc462@asem.it> References: <9152bb8be33e4192a7766eb53c6ca9af@asem.it> In-Reply-To: Accept-Language: it-IT, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.17.208] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-SGHeloLookup-Result: pass smtp.helo=webmail.asem.it (ip=172.16.16.44) X-SGSPF-Result: none (smtp.asem.it) X-SGOP-RefID: str=0001.0A09020E.5F74745C.0040,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 (_st=1 _vt=0 _iwf=0) Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org SGkgQW5keSwNCg0KPiA+ID4gPiA+IEkgd2FzIHdvbmRlcmluZyBpZiB0aGVyZSBpcyBhIGdlbmVy aWMgR1BJTyBkcml2ZXIgdGhhdCBJIGNhbiB1c2UNCj4gTWF5YmUgSSB3YXMgbm90IHNvIGNsZWFy LCBidXQgYXMgQmFydCBtZW50aW9uZWQgdGhlIGxlYXN0IHlvdSBjYW4gZG8NCj4gaXMgc2ltcGx5 IGRlZmluZSBsaW5lIG5hbWUgdmlhICJncGlvLWxpbmUtbmFtZXMiIHByb3BlcnR5LiBUaGUgcHJv YmxlbQ0KPiBoZXJlIGlzIHdoZW4gYW5kIGhvdyB5b3Ugd291bGQgbGlrZSB0byBoYXZlIHRoZW0g aW5jb3Jwb3JhdGVkLg0KDQpJIGFscmVhZHkgdHJpZWQgYWRkaW5nIHRoZSAiZ3Bpby1saW5lLW5h bWVzIiBwcm9wZXJ0eSwgYnV0IHRoZSBwcm9ibGVtDQppcyB0aGUgc2FtZTogbm8gZHJpdmVyIGFz a3MgZm9yIHRoaXMgR1BJTywgYXMgc2hvd24gYnkgdGhlIGZvbGxvd2luZw0Ka2VybmVsIG1lc3Nh Z2VzOg0KDQpBQ1BJOiBIb3N0LWRpcmVjdGVkIER5bmFtaWMgQUNQSSBUYWJsZSBMb2FkOg0KQUNQ STogU1NEVCAweEZGRkY5OTQwMzRENDJBMDAgMDAwMEU4ICh2MDUgQVNFTXNwIEdQSU9fQlROIDAw MDAwMDAxIElOVEwgMjAyMDA3MTcpDQpBQ1BJOiBcX1NCXy5HUE8xLkJUTlM6IFBSUDAwMDEgcmVx dWlyZXMgJ2NvbXBhdGlibGUnIHByb3BlcnR5DQoNClNvIEknbGwgc3RhcnQgdG8gd3JpdGUgYSBz aW1wbGUgZGV2aWNlIGRyaXZlciB0byB1c2UgdGhpcyBHUElPLg0KSSdsbCBrZWVwIHlvdSBpbmZv cm1lZCENCiANCj4gV2hlbjogaWYgQUNQSSB0YWJsZXMgYXJlIGJlaW5nIHByb3ZpZGVkIGJ5IGZp cm13YXJlIHdoaWNoIHlvdSBtYXkgbm90DQo+IGFsdGVyLCB0aGVuIHlvdSBtdXN0IHVzZSBpbml0 cmFtZnMgdHlwZSBvZiBzb2x1dGlvbiAobm8gY29uZmlnZnMsDQo+IGRvbid0IGtub3cgYWJvdXQg RUZJIHZhciB0aG91Z2gpLiBIb3c6IEluIHRoYXQgY2FzZSB5b3UgbWlnaHQgaGF2ZSBhDQo+IGNo YW5jZSB0byBpbmNvcnBvcmF0ZSBfRFNEKCkgbWV0aG9kIGludG8gKmV4aXN0aW5nKiBfQ1JTKCkg b25lLg0KPiBQb3NzaWJsZSBpbXBlZGltZW50czogaWYgQUNQSSB0YWJsZSBmcm9tIGZpcm13YXJl IGFscmVhZHkgaGFzIGEgX0RTRCgpDQo+IGRlZmluZWQgb3IgYWJvdmUgaXMgbm90IHdvcmtpbmcg Zm9yIHNvbWUgcmVhc29uLiBJbiBzdWNoIGEgY2FzZSB5b3UNCj4gbXVzdCB1cGdyYWRlIGVudGly ZSBEU0RUIHZpYSBpbml0cmFtZnMuDQo+IA0KPiA+ID4gPiBBZGRpbmcgQW5keSB3aG8ga25vd3Mg QUNQSSBHUElPIHdlbGwuDQo+ID4gPg0KPiA+ID4gVGhhbmtzLg0KPiA+ID4NCj4gPiA+ID4gSW4g Z2VuZXJhbCwgdGhlICJncGlvLWxpbmUtbmFtZXMiIHByb3BlcnR5IGlzIHVzZWQgZm9yIHRoYXQg YW5kIGl0J3MNCj4gPiA+ID4gc3VwcG9ydGVkIGJvdGggZm9yIGRldmljZSB0cmVlIGFzIHdlbGwg YXMgQUNQSSwgYWx0aG91Z2ggSSBoYXZlIG9ubHkNCj4gPiA+ID4gZXZlciB1c2VkIHRoZSBmb3Jt ZXIuDQo+ID4gPg0KPiA+ID4gUmlnaHQuIEFDUEkgc3VwcG9ydHMgcHJvcGVydGllcyB2aWEgX0RT RCgpIG1ldGhvZC4NCj4gDQo+IC0tDQo+IFdpdGggQmVzdCBSZWdhcmRzLA0KPiBBbmR5IFNoZXZj aGVua28NCg0KVGhhbmtzIEFuZHkgYW5kIEJhcnRvc3ogZm9yIHlvdXIgc3VwcG9ydCENCkJlc3Qg cmVnYXJkcywNCg0KRmxhdmlvDQo=