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 02:50:52 +0000 Message-ID: <1450406943.3885.3.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com ([192.55.52.93]:17551 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966046AbbLRCuy (ORCPT ); Thu, 17 Dec 2015 21:50:54 -0500 In-Reply-To: Content-Language: en-US Content-ID: <7207EE80DCFDBC47821DE4FD0683795A@intel.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org 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" T24gVGh1LCAyMDE1LTEyLTE3IGF0IDE4OjMzIC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6 DQo+IE9uIFRodSwgRGVjIDE3LCAyMDE1IGF0IDU6MTEgUE0sIFBhbmRydXZhZGEsIFNyaW5pdmFz DQo+IDxzcmluaXZhcy5wYW5kcnV2YWRhQGludGVsLmNvbT4gd3JvdGU6DQo+ID4gT24gVGh1LCAy MDE1LTEyLTE3IGF0IDE3OjA4IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4gPiBP biBUaHUsIERlYyAxNywgMjAxNSBhdCA1OjAwIFBNLCBQYW5kcnV2YWRhLCBTcmluaXZhcw0KPiA+ ID4gPHNyaW5pdmFzLnBhbmRydXZhZGFAaW50ZWwuY29tPiB3cm90ZToNCj4gPiA+ID4gSGkgQW5k eSwNCj4gPiA+ID4gDQo+ID4gPiA+IEFzIHBlciBOaXNoIHRoZXNlIHBhdGNoZXMgYXJlIGltcGFj dGluZyBzZW5zb3JzIG9uIFlvZ2EuDQo+ID4gPiA+IGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE1 LzExLzMwLzQ0MQ0KPiA+ID4gDQo+ID4gPiBUbyBiZSBjbGVhciwgd2l0aG91dCB0aGF0IHNlcmll cywgdGhlIHRvdWNocGFkIGFuZCB0b3VjaHNjcmVlbiBvbg0KPiA+ID4gdGhlDQo+ID4gPiBZb2dh IDkwMCBkb24ndCB3b3JrIGF0IGFsbC4gU28gdGhleSBhcmUgbmVjZXNzYXJ5IGZvcg0KPiA+ID4g ZnVuY3Rpb25pbmcuIEkNCj4gPiA+IGRvbid0IGtub3cgKEkgd2lsbCB0ZXN0IGl0IG5vdyksIGlm IHJlbW92aW5nIHRoZSBzZXJpZXMgbWFrZXMgdGhlDQo+ID4gPiBJSU8NCj4gPiA+IHNlbnNvcnMg d29yayBwcm9wZXJseSBpbiAvZGV2Ly4NCj4gPiBUaGlzIGlzIGltcG9ydGFudCB0byBrbm93IGJl Zm9yZSB3ZSB0YWtlIEFuZHkncyB0aW1lLg0KPiANCj4gSXQgc2VlbXMgbGlrZSBBbmR5J3MgcGF0 Y2hlcyBhcmUgbm90IHRoZSBwcm9ibGVtLiBUaGF0IGlzLCB3aXRoIHN0b2NrDQo+IDQuNC1yYzUs IHRoZSBhY2NlbGVyb21tZXRlciAvZGV2IGZpbGVzIHN0aWxsIGRvIG5vdCB1cGRhdGUuDQo+IA0K Q2FuIHlvdSBub3QgdXNlIHJhdyB2YWx1ZXMgYnkgcG9sbGluZyBmcm9tIHVzZXIgc3BhY2U/IFNl bmQgbWUNCnJlcG9ydCBkZXNjcmlwdGlvbi4gSXQgc2hvdWxkIGJlIGluDQovc3lzL2tlcm5lbC9k ZWJ1Zy9oaWQvICJ5b3VyIGRldmljZSBpZCIgL3JlZGVzYy4NCg0KQWxzbyBkZXZpY2UgaWQgKCJ5 b3VyIGRldmljZSBpZCIpIGFib3ZlLg0KDQpUaGFua3MsDQpTcmluaXZhcw0KDQoNCj4gLU5pc2g= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com ([192.55.52.93]:17551 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966046AbbLRCuy (ORCPT ); Thu, 17 Dec 2015 21:50:54 -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 02:50:52 +0000 Message-ID: <1450406943.3885.3.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.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 T24gVGh1LCAyMDE1LTEyLTE3IGF0IDE4OjMzIC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6 DQo+IE9uIFRodSwgRGVjIDE3LCAyMDE1IGF0IDU6MTEgUE0sIFBhbmRydXZhZGEsIFNyaW5pdmFz DQo+IDxzcmluaXZhcy5wYW5kcnV2YWRhQGludGVsLmNvbT4gd3JvdGU6DQo+ID4gT24gVGh1LCAy MDE1LTEyLTE3IGF0IDE3OjA4IC0wODAwLCBOaXNoIEFyYXZhbXVkYW4gd3JvdGU6DQo+ID4gPiBP biBUaHUsIERlYyAxNywgMjAxNSBhdCA1OjAwIFBNLCBQYW5kcnV2YWRhLCBTcmluaXZhcw0KPiA+ ID4gPHNyaW5pdmFzLnBhbmRydXZhZGFAaW50ZWwuY29tPiB3cm90ZToNCj4gPiA+ID4gSGkgQW5k eSwNCj4gPiA+ID4gDQo+ID4gPiA+IEFzIHBlciBOaXNoIHRoZXNlIHBhdGNoZXMgYXJlIGltcGFj dGluZyBzZW5zb3JzIG9uIFlvZ2EuDQo+ID4gPiA+IGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE1 LzExLzMwLzQ0MQ0KPiA+ID4gDQo+ID4gPiBUbyBiZSBjbGVhciwgd2l0aG91dCB0aGF0IHNlcmll cywgdGhlIHRvdWNocGFkIGFuZCB0b3VjaHNjcmVlbiBvbg0KPiA+ID4gdGhlDQo+ID4gPiBZb2dh IDkwMCBkb24ndCB3b3JrIGF0IGFsbC4gU28gdGhleSBhcmUgbmVjZXNzYXJ5IGZvcg0KPiA+ID4g ZnVuY3Rpb25pbmcuIEkNCj4gPiA+IGRvbid0IGtub3cgKEkgd2lsbCB0ZXN0IGl0IG5vdyksIGlm IHJlbW92aW5nIHRoZSBzZXJpZXMgbWFrZXMgdGhlDQo+ID4gPiBJSU8NCj4gPiA+IHNlbnNvcnMg d29yayBwcm9wZXJseSBpbiAvZGV2Ly4NCj4gPiBUaGlzIGlzIGltcG9ydGFudCB0byBrbm93IGJl Zm9yZSB3ZSB0YWtlIEFuZHkncyB0aW1lLg0KPiANCj4gSXQgc2VlbXMgbGlrZSBBbmR5J3MgcGF0 Y2hlcyBhcmUgbm90IHRoZSBwcm9ibGVtLiBUaGF0IGlzLCB3aXRoIHN0b2NrDQo+IDQuNC1yYzUs IHRoZSBhY2NlbGVyb21tZXRlciAvZGV2IGZpbGVzIHN0aWxsIGRvIG5vdCB1cGRhdGUuDQo+IA0K Q2FuIHlvdSBub3QgdXNlIHJhdyB2YWx1ZXMgYnkgcG9sbGluZyBmcm9tIHVzZXIgc3BhY2U/IFNl bmQgbWUNCnJlcG9ydCBkZXNjcmlwdGlvbi4gSXQgc2hvdWxkIGJlIGluDQovc3lzL2tlcm5lbC9k ZWJ1Zy9oaWQvICJ5b3VyIGRldmljZSBpZCIgL3JlZGVzYy4NCg0KQWxzbyBkZXZpY2UgaWQgKCJ5 b3VyIGRldmljZSBpZCIpIGFib3ZlLg0KDQpUaGFua3MsDQpTcmluaXZhcw0KDQoNCj4gLU5pc2g= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966130AbbLRCu4 (ORCPT ); Thu, 17 Dec 2015 21:50:56 -0500 Received: from mga11.intel.com ([192.55.52.93]:17551 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966046AbbLRCuy (ORCPT ); Thu, 17 Dec 2015 21:50:54 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,444,1444719600"; d="scan'208";a="843709044" 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+BJ7QdQAAgAAAJ4CAABdrAIAABHqA Date: Fri, 18 Dec 2015 02:50:52 +0000 Message-ID: <1450406943.3885.3.camel@intel.com> References: <1450399868.5427.11.camel@linux.intel.com> <1450400312.5427.15.camel@intel.com> <1450400953.5427.18.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: [10.254.60.229] Content-Type: text/plain; charset="utf-8" Content-ID: <7207EE80DCFDBC47821DE4FD0683795A@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 tBI2p0YA020994 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. Also device id ("your device id") above. Thanks, Srinivas > -Nish{.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I