[alsa-devel] [PATCH 4/5 v2] ASOC adds destination and source port for dma
Arun KS
arunks at mistralsolutions.com
Thu Oct 2 11:35:49 CEST 2008
Adds destination and source port for dma in platform driver as
required by OMAP1
Signed-off-by: Arun KS <arunks at mistralsolutions.com>
---
sound/soc/omap/omap-pcm.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 690bfea..e9084fd 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -97,7 +97,7 @@ static int omap_pcm_hw_params(struct
snd_pcm_substream *substream,
prtd->dma_data = dma_data;
err = omap_request_dma(dma_data->dma_req, dma_data->name,
omap_pcm_dma_irq, substream, &prtd->dma_ch);
- if (!cpu_is_omap1510()) {
+ if (!err & !cpu_is_omap1510()) {
/*
* Link channel with itself so DMA doesn't need any
* reprogramming while looping the buffer
@@ -147,12 +147,14 @@ static int omap_pcm_prepare(struct
snd_pcm_substream *substream)
dma_params.src_or_dst_synch = OMAP_DMA_DST_SYNC;
dma_params.src_start = runtime->dma_addr;
dma_params.dst_start = dma_data->port_addr;
+ dma_params.dst_port = OMAP_DMA_PORT_MPUI;
} else {
dma_params.src_amode = OMAP_DMA_AMODE_CONSTANT;
dma_params.dst_amode = OMAP_DMA_AMODE_POST_INC;
dma_params.src_or_dst_synch = OMAP_DMA_SRC_SYNC;
dma_params.src_start = dma_data->port_addr;
dma_params.dst_start = runtime->dma_addr;
+ dma_params.src_port = OMAP_DMA_PORT_MPUI;
}
/*
* Set DMA transfer frame size equal to ALSA period size and frame
--
1.5.3.4
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