From mboxrd@z Thu Jan 1 00:00:00 1970 From: Omair Mohammed Abdullah Subject: Re: [PATCH] ASoC: Added PCM short and long frame sync formats Date: Tue, 27 Mar 2012 09:04:18 +0530 Message-ID: <4F71353A.9020704@linux.intel.com> References: <20120326133305.GR3098@opensource.wolfsonmicro.com> <1332819135-5416-1-git-send-email-omair.m.abdullah@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by alsa0.perex.cz (Postfix) with ESMTP id 80A43104135 for ; Tue, 27 Mar 2012 05:31:58 +0200 (CEST) In-Reply-To: <1332819135-5416-1-git-send-email-omair.m.abdullah@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Omair Mohammed Abdullah Cc: alsa-devel@alsa-project.org, broonie@opensource.wolfsonmicro.com, lrg@ti.com List-Id: alsa-devel@alsa-project.org On Tuesday 27 March 2012 09:02 AM, Omair Mohammed Abdullah wrote: > The PCM short frame sync sends a short (1 clock length) sync signal before the > MSB of data. The PCM long frame sync sends a 1 word length sync signal along > with the data. > > Signed-off-by: Omair Mohammed Abdullah > --- > include/sound/soc-dai.h | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h > index c429f24..dc94b25 100644 > --- a/include/sound/soc-dai.h > +++ b/include/sound/soc-dai.h > @@ -32,6 +32,8 @@ struct snd_soc_dapm_widget; > #define SND_SOC_DAIFMT_DSP_B 5 /* L data MSB during FRM LRC */ > #define SND_SOC_DAIFMT_AC97 6 /* AC97 */ > #define SND_SOC_DAIFMT_PDM 7 /* Pulse density modulation */ > +#define SND_SOC_DAIFMT_SHORT_SYNC 8 /* FRM for 1 clock before MSB */ > +#define SND_SOC_DAIFMT_LONG_SYNC 9 /* FRM for 1 word starting with MSB */ > > /* left and right justified also known as MSB and LSB respectively */ > #define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J What I am looking for is something like this. But SND_SOC_DAIFMT_SHORT_SYNC might be the same as SND_SOC_DAIFMT_DSP_A.