From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out-033.synserver.de ([212.40.185.33]:1059 "EHLO smtp-out-031.synserver.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751147AbaHDHSk (ORCPT ); Mon, 4 Aug 2014 03:18:40 -0400 Message-ID: <53DF33CE.4080100@metafoo.de> Date: Mon, 04 Aug 2014 09:18:38 +0200 From: Lars-Peter Clausen MIME-Version: 1.0 To: Aniroop Mathur CC: Jonathan Cameron , linux-iio@vger.kernel.org Subject: Re: IIO: Why cannot open two iio device node file descriptors simultaneously ? References: <53DCCB4A.3020304@kernel.org> <53DD1881.1020607@kernel.org> <53DDEEC6.2070300@metafoo.de> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On 08/03/2014 11:32 AM, Aniroop Mathur wrote: > On Sun, Aug 3, 2014 at 1:41 PM, Lars-Peter Clausen wrote: >> On 08/02/2014 06:57 PM, Jonathan Cameron wrote: >> [...] >> >>>> So, even after opening iio device node, >>>> can we write the data to IIO device node from user space ? >>>> (I do not see write function in below fileops) >>> >>> >>> Indeed. Lars was working on some buffered support for DACs but hasn't >>> yet submitted it for mainline inclusion. Lars how is the buffered output >>> stuff coming along? >> >> >> I still need to do the re-write you wanted me to do, otherwise its working >> fine ;) >> > > Great :) > So, it is possible to write data to iio fd ? No you can't. At least not with the upstream code. What exactly is it that you want to do with this? - Lars