From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Pandruvada, Srinivas" Subject: Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Date: Fri, 18 Dec 2015 16:58:53 +0000 Message-ID: <1450457824.3958.9.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.camel@intel.com> <1450406943.3885.3.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <2D9372FF021DED49A0ABD1B713BAC062-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "nish.aravamudan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" Cc: "lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "knaack.h-Mmb7MZpHnFY@public.gmane.org" , "jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "cmo-fc6wVz46lShBDgjK7y7TUQ@public.gmane.org" , "linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org" , "linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "jikos-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "Shevchenko, Andriy" List-Id: linux-input@vger.kernel.org T24gVGh1LCAyMDE1LTEyLTE3IGF0IDE5OjA2IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6 DQo+IE9uIFRodSwgRGVjIDE3LCAyMDE1IGF0IDY6NTAgUE0sIFBhbmRydXZhZGEsIFNyaW5pdmFz DQo+IDxzcmluaXZhcy5wYW5kcnV2YWRhQGludGVsLmNvbT4gd3JvdGU6DQo+ID4gT24gVGh1LCAy MDE1LTEyLTE3IGF0IDE4OjMzIC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4gPiBP biBUaHUsIERlYyAxNywgMjAxNSBhdCA1OjExIFBNLCBQYW5kcnV2YWRhLCBTcmluaXZhcw0KPiA+ ID4gPHNyaW5pdmFzLnBhbmRydXZhZGFAaW50ZWwuY29tPiB3cm90ZToNCj4gPiA+ID4gT24gVGh1 LCAyMDE1LTEyLTE3IGF0IDE3OjA4IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4g PiA+ID4gT24gVGh1LCBEZWMgMTcsIDIwMTUgYXQgNTowMCBQTSwgUGFuZHJ1dmFkYSwgU3Jpbml2 YXMNCj4gPiA+ID4gPiA8c3Jpbml2YXMucGFuZHJ1dmFkYUBpbnRlbC5jb20+IHdyb3RlOg0KPiA+ ID4gPiA+ID4gSGkgQW5keSwNCj4gPiA+ID4gPiA+IA0KPiA+ID4gPiA+ID4gQXMgcGVyIE5pc2gg dGhlc2UgcGF0Y2hlcyBhcmUgaW1wYWN0aW5nIHNlbnNvcnMgb24gWW9nYS4NCj4gPiA+ID4gPiA+ IGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE1LzExLzMwLzQ0MQ0KPiA+ID4gPiA+IA0KPiA+ID4g PiA+IFRvIGJlIGNsZWFyLCB3aXRob3V0IHRoYXQgc2VyaWVzLCB0aGUgdG91Y2hwYWQgYW5kDQo+ ID4gPiA+ID4gdG91Y2hzY3JlZW4gb24NCj4gPiA+ID4gPiB0aGUNCj4gPiA+ID4gPiBZb2dhIDkw MCBkb24ndCB3b3JrIGF0IGFsbC4gU28gdGhleSBhcmUgbmVjZXNzYXJ5IGZvcg0KPiA+ID4gPiA+ IGZ1bmN0aW9uaW5nLiBJDQo+ID4gPiA+ID4gZG9uJ3Qga25vdyAoSSB3aWxsIHRlc3QgaXQgbm93 KSwgaWYgcmVtb3ZpbmcgdGhlIHNlcmllcyBtYWtlcw0KPiA+ID4gPiA+IHRoZQ0KPiA+ID4gPiA+ IElJTw0KPiA+ID4gPiA+IHNlbnNvcnMgd29yayBwcm9wZXJseSBpbiAvZGV2Ly4NCj4gPiA+ID4g VGhpcyBpcyBpbXBvcnRhbnQgdG8ga25vdyBiZWZvcmUgd2UgdGFrZSBBbmR5J3MgdGltZS4NCj4g PiA+IA0KPiA+ID4gSXQgc2VlbXMgbGlrZSBBbmR5J3MgcGF0Y2hlcyBhcmUgbm90IHRoZSBwcm9i bGVtLiBUaGF0IGlzLCB3aXRoDQo+ID4gPiBzdG9jaw0KPiA+ID4gNC40LXJjNSwgdGhlIGFjY2Vs ZXJvbW1ldGVyIC9kZXYgZmlsZXMgc3RpbGwgZG8gbm90IHVwZGF0ZS4NCj4gPiA+IA0KPiA+IENh biB5b3Ugbm90IHVzZSByYXcgdmFsdWVzIGJ5IHBvbGxpbmcgZnJvbSB1c2VyIHNwYWNlPyBTZW5k IG1lDQo+ID4gcmVwb3J0IGRlc2NyaXB0aW9uLiBJdCBzaG91bGQgYmUgaW4NCj4gPiAvc3lzL2tl cm5lbC9kZWJ1Zy9oaWQvICJ5b3VyIGRldmljZSBpZCIgL3JlZGVzYy4NCj4gDQo+IFRoZSB1bmRl cmx5aW5nIGlzc3VlIGlzIHRoYXQgaWlvLXNlbnNvci1wcm94eSByZWxpZXMgb24gdmFsdWVzIGZy b20NCj4gdGhlIGNvcnJlc3BvbmRpbmcgL2RldiBub2RlcyB0byBhdXRvbWF0aWNhbGx5IHJvdGF0 ZSB0aGUgc2NyZWVuLCBldGMuDQo+IGluIHRoZSBkZXNrdG9wIGVudmlyb25tZW50Lg0KPiANCj4g QXR0YWNoZWQgZHVlIHRvIGl0cyBzaXplLg0KPiANCj4gPiBBbHNvIGRldmljZSBpZCAoInlvdXIg ZGV2aWNlIGlkIikgYWJvdmUuDQo+IA0KPiAwMDE4OjA0OEQ6ODM5Ni4wMDAyDQpTZW50IGEgcGF0 Y2gsIHRyeSBhbmQgc2VlIGlmIHRoaXMgd29ya3MuDQoNClRoYW5rcywNClNyaW5pdmFzDQoNCj4g DQo+IC1OaXNo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com ([192.55.52.88]:54331 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932264AbbLRQ6z (ORCPT ); Fri, 18 Dec 2015 11:58:55 -0500 From: "Pandruvada, Srinivas" To: "nish.aravamudan@gmail.com" CC: "lars@metafoo.de" , "linux-kernel@vger.kernel.org" , "knaack.h@gmx.de" , "jic23@kernel.org" , "cmo@melexis.com" , "linux-iio@vger.kernel.org" , "pmeerw@pmeerw.net" , "linux-input@vger.kernel.org" , "jikos@kernel.org" , "Shevchenko, Andriy" Subject: Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Date: Fri, 18 Dec 2015 16:58:53 +0000 Message-ID: <1450457824.3958.9.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.camel@intel.com> <1450406943.3885.3.camel@intel.com> In-Reply-To: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org T24gVGh1LCAyMDE1LTEyLTE3IGF0IDE5OjA2IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6 DQo+IE9uIFRodSwgRGVjIDE3LCAyMDE1IGF0IDY6NTAgUE0sIFBhbmRydXZhZGEsIFNyaW5pdmFz DQo+IDxzcmluaXZhcy5wYW5kcnV2YWRhQGludGVsLmNvbT4gd3JvdGU6DQo+ID4gT24gVGh1LCAy MDE1LTEyLTE3IGF0IDE4OjMzIC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4gPiBP biBUaHUsIERlYyAxNywgMjAxNSBhdCA1OjExIFBNLCBQYW5kcnV2YWRhLCBTcmluaXZhcw0KPiA+ ID4gPHNyaW5pdmFzLnBhbmRydXZhZGFAaW50ZWwuY29tPiB3cm90ZToNCj4gPiA+ID4gT24gVGh1 LCAyMDE1LTEyLTE3IGF0IDE3OjA4IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4g PiA+ID4gT24gVGh1LCBEZWMgMTcsIDIwMTUgYXQgNTowMCBQTSwgUGFuZHJ1dmFkYSwgU3Jpbml2 YXMNCj4gPiA+ID4gPiA8c3Jpbml2YXMucGFuZHJ1dmFkYUBpbnRlbC5jb20+IHdyb3RlOg0KPiA+ ID4gPiA+ID4gSGkgQW5keSwNCj4gPiA+ID4gPiA+IA0KPiA+ID4gPiA+ID4gQXMgcGVyIE5pc2gg dGhlc2UgcGF0Y2hlcyBhcmUgaW1wYWN0aW5nIHNlbnNvcnMgb24gWW9nYS4NCj4gPiA+ID4gPiA+ IGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE1LzExLzMwLzQ0MQ0KPiA+ID4gPiA+IA0KPiA+ID4g PiA+IFRvIGJlIGNsZWFyLCB3aXRob3V0IHRoYXQgc2VyaWVzLCB0aGUgdG91Y2hwYWQgYW5kDQo+ ID4gPiA+ID4gdG91Y2hzY3JlZW4gb24NCj4gPiA+ID4gPiB0aGUNCj4gPiA+ID4gPiBZb2dhIDkw MCBkb24ndCB3b3JrIGF0IGFsbC4gU28gdGhleSBhcmUgbmVjZXNzYXJ5IGZvcg0KPiA+ID4gPiA+ IGZ1bmN0aW9uaW5nLiBJDQo+ID4gPiA+ID4gZG9uJ3Qga25vdyAoSSB3aWxsIHRlc3QgaXQgbm93 KSwgaWYgcmVtb3ZpbmcgdGhlIHNlcmllcyBtYWtlcw0KPiA+ID4gPiA+IHRoZQ0KPiA+ID4gPiA+ IElJTw0KPiA+ID4gPiA+IHNlbnNvcnMgd29yayBwcm9wZXJseSBpbiAvZGV2Ly4NCj4gPiA+ID4g VGhpcyBpcyBpbXBvcnRhbnQgdG8ga25vdyBiZWZvcmUgd2UgdGFrZSBBbmR5J3MgdGltZS4NCj4g PiA+IA0KPiA+ID4gSXQgc2VlbXMgbGlrZSBBbmR5J3MgcGF0Y2hlcyBhcmUgbm90IHRoZSBwcm9i bGVtLiBUaGF0IGlzLCB3aXRoDQo+ID4gPiBzdG9jaw0KPiA+ID4gNC40LXJjNSwgdGhlIGFjY2Vs ZXJvbW1ldGVyIC9kZXYgZmlsZXMgc3RpbGwgZG8gbm90IHVwZGF0ZS4NCj4gPiA+IA0KPiA+IENh biB5b3Ugbm90IHVzZSByYXcgdmFsdWVzIGJ5IHBvbGxpbmcgZnJvbSB1c2VyIHNwYWNlPyBTZW5k IG1lDQo+ID4gcmVwb3J0IGRlc2NyaXB0aW9uLiBJdCBzaG91bGQgYmUgaW4NCj4gPiAvc3lzL2tl cm5lbC9kZWJ1Zy9oaWQvICJ5b3VyIGRldmljZSBpZCIgL3JlZGVzYy4NCj4gDQo+IFRoZSB1bmRl cmx5aW5nIGlzc3VlIGlzIHRoYXQgaWlvLXNlbnNvci1wcm94eSByZWxpZXMgb24gdmFsdWVzIGZy b20NCj4gdGhlIGNvcnJlc3BvbmRpbmcgL2RldiBub2RlcyB0byBhdXRvbWF0aWNhbGx5IHJvdGF0 ZSB0aGUgc2NyZWVuLCBldGMuDQo+IGluIHRoZSBkZXNrdG9wIGVudmlyb25tZW50Lg0KPiANCj4g QXR0YWNoZWQgZHVlIHRvIGl0cyBzaXplLg0KPiANCj4gPiBBbHNvIGRldmljZSBpZCAoInlvdXIg ZGV2aWNlIGlkIikgYWJvdmUuDQo+IA0KPiAwMDE4OjA0OEQ6ODM5Ni4wMDAyDQpTZW50IGEgcGF0 Y2gsIHRyeSBhbmQgc2VlIGlmIHRoaXMgd29ya3MuDQoNClRoYW5rcywNClNyaW5pdmFzDQoNCj4g DQo+IC1OaXNo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933151AbbLRQ65 (ORCPT ); Fri, 18 Dec 2015 11:58:57 -0500 Received: from mga01.intel.com ([192.55.52.88]:54331 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932264AbbLRQ6z (ORCPT ); Fri, 18 Dec 2015 11:58:55 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,447,1444719600"; d="scan'208";a="844156343" From: "Pandruvada, Srinivas" To: "nish.aravamudan@gmail.com" CC: "lars@metafoo.de" , "linux-kernel@vger.kernel.org" , "knaack.h@gmx.de" , "jic23@kernel.org" , "cmo@melexis.com" , "linux-iio@vger.kernel.org" , "pmeerw@pmeerw.net" , "linux-input@vger.kernel.org" , "jikos@kernel.org" , "Shevchenko, Andriy" Subject: Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Thread-Topic: iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Thread-Index: AQHROS94+E6iDu/JuE++w14keB1+BJ7QdQAAgAAAJ4CAABdrAIAABHqAgAAE14CAAOgYAA== Date: Fri, 18 Dec 2015 16:58:53 +0000 Message-ID: <1450457824.3958.9.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.camel@intel.com> <1450406943.3885.3.camel@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.254.184.242] Content-Type: text/plain; charset="utf-8" Content-ID: <2D9372FF021DED49A0ABD1B713BAC062@intel.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id tBIGx1Hr026204 On Thu, 2015-12-17 at 19:06 -0800, Nish Aravamudan wrote: > On Thu, Dec 17, 2015 at 6:50 PM, Pandruvada, Srinivas > wrote: > > On Thu, 2015-12-17 at 18:33 -0800, Nish Aravamudan wrote: > > > On Thu, Dec 17, 2015 at 5:11 PM, Pandruvada, Srinivas > > > wrote: > > > > On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote: > > > > > On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas > > > > > wrote: > > > > > > Hi Andy, > > > > > > > > > > > > As per Nish these patches are impacting sensors on Yoga. > > > > > > https://lkml.org/lkml/2015/11/30/441 > > > > > > > > > > To be clear, without that series, the touchpad and > > > > > touchscreen on > > > > > the > > > > > Yoga 900 don't work at all. So they are necessary for > > > > > functioning. I > > > > > don't know (I will test it now), if removing the series makes > > > > > the > > > > > IIO > > > > > sensors work properly in /dev/. > > > > This is important to know before we take Andy's time. > > > > > > It seems like Andy's patches are not the problem. That is, with > > > stock > > > 4.4-rc5, the accelerommeter /dev files still do not update. > > > > > Can you not use raw values by polling from user space? Send me > > report description. It should be in > > /sys/kernel/debug/hid/ "your device id" /redesc. > > The underlying issue is that iio-sensor-proxy relies on values from > the corresponding /dev nodes to automatically rotate the screen, etc. > in the desktop environment. > > Attached due to its size. > > > Also device id ("your device id") above. > > 0018:048D:8396.0002 Sent a patch, try and see if this works. Thanks, Srinivas > > -Nish{.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I