From mboxrd@z Thu Jan 1 00:00:00 1970 From: gsantosh@codeaurora.org Subject: Re: customized IOCTL in pcm platform driver. Date: Mon, 8 Oct 2012 23:44:40 -0700 (PDT) Message-ID: <4d3d244e3c337274675747eee0404a78.squirrel@www.codeaurora.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from wolverine01.qualcomm.com (wolverine01.qualcomm.com [199.106.114.254]) by alsa0.perex.cz (Postfix) with ESMTP id BCED62615C0 for ; Tue, 9 Oct 2012 08:44:41 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org, lrg@ti.com, gsantosh@codeaurora.org List-Id: alsa-devel@alsa-project.org > At Mon, 8 Oct 2012 23:30:09 -0700 (PDT), > gsantosh@codeaurora.org wrote: >> >> Hi All, >> >> will ALSA framework provide any customized IOCTL functionality in PCM >> platform driver. > > No. > >> in my system there is a requirement to get some information from DSP to >> user space and I am thinking to add IOCTL's, is there any method to >> accommodate or how we can address this issue? > > You can use hwdep device for any extra methods. We need to tie this ioctl with the on going DSP session which will be difficult When used with hwdep interface. > > > Takashi >