From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 25 Mar 2011 15:51:45 +0000 (+0100)
Subject: ASoC: imx: fix burstsize for DMA
X-Git-Tag: v2.6.38.3~71
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e34910dd0fcf32e9a0e5ff6f3249910cff4c06d8;p=thirdparty%2Fkernel%2Fstable.git

ASoC: imx: fix burstsize for DMA

commit e1bb31b444668bc957c337d33803db7cb3330745 upstream.

SSI counts in words, the DMA engine in bytes. (Wrong) factor got removed
in bf974a0 (ASoC i.MX: switch to new DMA api).

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index b2ed764fd8962..aab7765f401a0 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -110,12 +110,12 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
 		slave_config.direction = DMA_TO_DEVICE;
 		slave_config.dst_addr = dma_params->dma_addr;
 		slave_config.dst_addr_width = buswidth;
-		slave_config.dst_maxburst = dma_params->burstsize;
+		slave_config.dst_maxburst = dma_params->burstsize * buswidth;
 	} else {
 		slave_config.direction = DMA_FROM_DEVICE;
 		slave_config.src_addr = dma_params->dma_addr;
 		slave_config.src_addr_width = buswidth;
-		slave_config.src_maxburst = dma_params->burstsize;
+		slave_config.src_maxburst = dma_params->burstsize * buswidth;
 	}
 
 	ret = dmaengine_slave_config(iprtd->dma_chan, &slave_config);