From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: PulseAudio and SNDRV_PCM_INFO_BATCH Date: Mon, 22 Jun 2015 10:35:40 +0800 Message-ID: References: <557E86DD.8020709@metafoo.de> <557EBEAA.70004@metafoo.de> <557EDE22.7080808@metafoo.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-oi0-f52.google.com (mail-oi0-f52.google.com [209.85.218.52]) by alsa0.perex.cz (Postfix) with ESMTP id 3C3FC261552 for ; Mon, 22 Jun 2015 04:35:42 +0200 (CEST) Received: by oigb199 with SMTP id b199so71025363oig.3 for ; Sun, 21 Jun 2015 19:35:41 -0700 (PDT) In-Reply-To: <557EDE22.7080808@metafoo.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: Lars-Peter Clausen Cc: ALSA Development Mailing List , Takashi Iwai , clemens@ladisch.de, Tanu Kaskinen , Arun Raghavan , David Henningsson List-Id: alsa-devel@alsa-project.org > > DMA_RESIDUE_GRANULARITY_BURST means it can report the position with a granularity of a few samples. Typically half the audio FIFO size. > > How many soc driver/platform dma engine support DMA_RESIDUE_GRANULARITY_BURST ? Are all soc audio driver use cyclic dma ?