From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alexander E. Patrakov" Subject: Re: [RFC PATCH 0/4] better support for bursty DMA usages Date: Wed, 15 Jul 2015 15:38:06 +0500 Message-ID: <55A6380E.4060605@gmail.com> References: <1436350236-17509-1-git-send-email-pierre-louis.bossart@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-la0-f49.google.com (mail-la0-f49.google.com [209.85.215.49]) by alsa0.perex.cz (Postfix) with ESMTP id A33E12659D7 for ; Wed, 15 Jul 2015 12:34:02 +0200 (CEST) Received: by lagw2 with SMTP id w2so21914562lag.3 for ; Wed, 15 Jul 2015 03:34:02 -0700 (PDT) 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: Raymond Yau , Pierre-Louis Bossart Cc: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org 15.07.2015 15:14, Raymond Yau wrote: >> TODO: >> 1. fixes and alsa-lib updates (compile-tested only for now) > > http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/alsa-sink.c?id=cb55b00ccd25d965b1222e74375aee05427a449b > > Do you need a new api snd_pcm_hw_params_can_rewind() for the application to > know pcm device does not support rewind ? Yes, we do need that. Please see my LAC 2015 paper: http://lac.linuxaudio.org/2015/papers/10.pdf -- Alexander E. Patrakov