linux-kernel - [PATCH 1/3] ASoC: imx: set watermarks for mx2-dma

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Date:	Fri, 25 Mar 2011 16:51:44 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	alsa-devel@...a-project.org
Cc:	Sascha Hauer <s.hauer@...gutronix.de>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Liam Girdwood <lrg@...mlogic.co.uk> (supporter:SOUND - SOC LAYER...
	,commit_signer:6/12=50%,commit_signer:3/4=75%),
	Mark Brown <broonie@...nsource.wolfsonmicro.com> (supporter:SOUND -
	SOC LAYER...,commit_signer:6/12=50%,commit_signer:3/4=75%),
	Jaroslav Kysela <perex@...ex.cz> (maintainer:SOUND),
	Takashi Iwai <tiwai@...e.de> (maintainer:SOUND),
	Timur Tabi <timur@...escale.com> (commit_signer:2/12=17% 
	,commit_signer:2/4=50%),
	Jarkko Nikula <jhnikula@...il.com> (commit_signer:1/4=25%),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/3] ASoC: imx: set watermarks for mx2-dma

They got accidently removed by f0fba2a (ASoC: multi-component - ASoC
Multi-Component Support). Reintroduce them and get rid of the
superfluous defines because the fiq-driver has its own hardcoded values.

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
---
 sound/soc/imx/imx-pcm-dma-mx2.c |    5 +++++
 sound/soc/imx/imx-ssi.h         |    3 ---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 671ef8d..b2ed764 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -303,6 +303,11 @@ static struct snd_soc_platform_driver imx_soc_platform_mx2 = {
 
 static int __devinit imx_soc_platform_probe(struct platform_device *pdev)
 {
+	struct imx_ssi *ssi = platform_get_drvdata(pdev);
+
+	ssi->dma_params_tx.burstsize = 6;
+	ssi->dma_params_rx.burstsize = 4;
+
 	return snd_soc_register_platform(&pdev->dev, &imx_soc_platform_mx2);
 }
 
diff --git a/sound/soc/imx/imx-ssi.h b/sound/soc/imx/imx-ssi.h
index a4406a1..dc8a875 100644
--- a/sound/soc/imx/imx-ssi.h
+++ b/sound/soc/imx/imx-ssi.h
@@ -234,7 +234,4 @@ void imx_pcm_free(struct snd_pcm *pcm);
  */
 #define IMX_SSI_DMABUF_SIZE	(64 * 1024)
 
-#define DMA_RXFIFO_BURST      0x4
-#define DMA_TXFIFO_BURST      0x6
-
 #endif /* _IMX_SSI_H */
-- 
1.7.2.5

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