From patchwork Mon Aug 17 11:51:05 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Valentin X-Patchwork-Id: 42004 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n7HC64fI009166 for ; Mon, 17 Aug 2009 12:06:07 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932383AbZHQMFo (ORCPT ); Mon, 17 Aug 2009 08:05:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932333AbZHQMFn (ORCPT ); Mon, 17 Aug 2009 08:05:43 -0400 Received: from smtp.nokia.com ([192.100.105.134]:42683 "EHLO mgw-mx09.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757924AbZHQMF0 (ORCPT ); Mon, 17 Aug 2009 08:05:26 -0400 Received: from esebh106.NOE.Nokia.com (esebh106.ntc.nokia.com [172.21.138.213]) by mgw-mx09.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id n7HC4q2k010511; Mon, 17 Aug 2009 07:04:57 -0500 Received: from esebh102.NOE.Nokia.com ([172.21.138.183]) by esebh106.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 17 Aug 2009 15:05:15 +0300 Received: from vaebe101.NOE.Nokia.com ([10.160.244.11]) by esebh102.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 17 Aug 2009 15:05:14 +0300 Received: from localhost.localdomain ([172.21.41.168]) by vaebe101.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 17 Aug 2009 15:05:14 +0300 From: Eduardo Valentin To: Takashi Iwai Cc: Linux-OMAP , ALSA-Devel , Jarkko Nikula , "Nurkkala Eero.An (EXT-Offcode/Oulu)" , "Ujfalusi Peter (Nokia-D/Tampere)" , Mark Brown Subject: [PATCHv4 06/20] OMAP3: McBSP: Lower the maximum buffersize for McBSP1, 3, 4, 5 Date: Mon, 17 Aug 2009 14:51:05 +0300 Message-Id: <1250509879-6703-7-git-send-email-eduardo.valentin@nokia.com> X-Mailer: git-send-email 1.6.2.GIT In-Reply-To: <1250509879-6703-1-git-send-email-eduardo.valentin@nokia.com> References: <1250509879-6703-1-git-send-email-eduardo.valentin@nokia.com> X-OriginalArrivalTime: 17 Aug 2009 12:05:14.0457 (UTC) FILETIME=[FA797490:01CA1F32] X-Nokia-AV: Clean Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Peter Ujfalusi Do not allow applications to use the full buffer found on McBSP1,3,4,5. Using the full buffer in threshold mode causes the McBSP buffer to run dry, which can be observed as channels are switching (in reality the channels are shifting). Signed-off-by: Peter Ujfalusi --- arch/arm/mach-omap2/mcbsp.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index f837114..7d22caf 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -129,7 +129,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = { .rx_irq = INT_24XX_MCBSP1_IRQ_RX, .tx_irq = INT_24XX_MCBSP1_IRQ_TX, .ops = &omap2_mcbsp_ops, - .buffer_size = 0x7F, + .buffer_size = 0x6F, }, { .phys_base = OMAP34XX_MCBSP2_BASE, @@ -147,7 +147,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = { .rx_irq = INT_24XX_MCBSP3_IRQ_RX, .tx_irq = INT_24XX_MCBSP3_IRQ_TX, .ops = &omap2_mcbsp_ops, - .buffer_size = 0x7F, + .buffer_size = 0x6F, }, { .phys_base = OMAP34XX_MCBSP4_BASE, @@ -156,7 +156,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = { .rx_irq = INT_24XX_MCBSP4_IRQ_RX, .tx_irq = INT_24XX_MCBSP4_IRQ_TX, .ops = &omap2_mcbsp_ops, - .buffer_size = 0x7F, + .buffer_size = 0x6F, }, { .phys_base = OMAP34XX_MCBSP5_BASE, @@ -165,7 +165,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = { .rx_irq = INT_24XX_MCBSP5_IRQ_RX, .tx_irq = INT_24XX_MCBSP5_IRQ_TX, .ops = &omap2_mcbsp_ops, - .buffer_size = 0x7F, + .buffer_size = 0x6F, }, }; #define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)