Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756010AbaAHMDb (ORCPT ); Wed, 8 Jan 2014 07:03:31 -0500 Received: from mail-ve0-f176.google.com ([209.85.128.176]:44392 "EHLO mail-ve0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755201AbaAHMD2 (ORCPT ); Wed, 8 Jan 2014 07:03:28 -0500 MIME-Version: 1.0 In-Reply-To: <1389170756-22351-2-git-send-email-Guangyu.Chen@freescale.com> References: <1389170756-22351-1-git-send-email-Guangyu.Chen@freescale.com> <1389170756-22351-2-git-send-email-Guangyu.Chen@freescale.com> Date: Wed, 8 Jan 2014 10:03:26 -0200 Message-ID: Subject: Re: [PATCH 1/2] Revert "ARM: dts: imx: use dual-fifo sdma script for ssi" From: Fabio Estevam To: Nicolin Chen Cc: Vinod Koul , Dan Williams , Sascha Hauer , Shawn Guo , Fabio Estevam , dmaengine@vger.kernel.org, "devicetree@vger.kernel.org" , linux-kernel , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 8, 2014 at 6:45 AM, Nicolin Chen wrote: > This reverts commit b1d27c79c8377df1880447375deffa3bb82c7bd3. > > Previously we switched the SSI scriprt to dual-fifo mode to reduce playback > underrun issue, which is only included by SDMA firmware version 2. However, > there are quite a lot people still using version 1 or default firmware in > the ROM code of SoC while these two kinds of firmwares do not support the > dual-fifo script and the audio function on their platform would be broken. > > Thus this patch provisionally reverts the dual-fifo script to the original > single fifo script to meet all kinds of users' requirements, including the > version 1/2 or inner ROM firmware. > > Reported-by: Fabio Estevam > Signed-off-by: Nicolin Chen Thanks, Nicolin. This fixes audio playback without additional SDMA firmware: Tested-by: Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/