From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: RFC: support for 12 & 24Khz Date: Thu, 25 Jul 2013 21:15:01 +0530 Message-ID: <20130725154501.GN18642@intel.com> References: <20130724172640.GE18642@intel.com> <51F0CAC0.9090702@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by alsa0.perex.cz (Postfix) with ESMTP id EF92926084C for ; Thu, 25 Jul 2013 18:23:46 +0200 (CEST) Content-Disposition: inline In-Reply-To: <51F0CAC0.9090702@ladisch.de> 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: Clemens Ladisch Cc: Takashi Iwai , alsa-devel@alsa-project.org, pierre-louis.bossart@linux.jf.intel.com List-Id: alsa-devel@alsa-project.org On Thu, Jul 25, 2013 at 08:50:40AM +0200, Clemens Ladisch wrote: > Vinod Koul wrote: > > For compressed audio we also need to support the PCM rates of 12 and 24KHz. > > > > Looking at pcm.h these are not defined > > You don't need such symbols to use a rate. These symbols are intended > for often-used rates. As long as only one or two drivers use a rate, > they can just set KNOT and install a constraint. okay so how exactly is the rate passed to driver and converted and sent to drivers? > > > But am worried about wider impact of adding these rates. > > > > Can you let me know if more is required to be done or below is fine > > Grep for 176400 in sound/core/, include/, and in alsa-lib. SNDRV_PCM_RATE_176400? ~Vinod --