[Sound-open-firmware] [PATCH] Add chan_size setting for host/link DMA IN/OUT on CNL.
yan.wang at linux.intel.com
yan.wang at linux.intel.com
Thu Mar 22 06:45:34 CET 2018
From: Yan Wang <yan.wang at linux.intel.com>
"chan_size" is used for calculation of DMA register offset.
It must be set otherwise only the first channel is available.
Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
---
src/platform/cannonlake/dma.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/platform/cannonlake/dma.c b/src/platform/cannonlake/dma.c
index 59e0fc7..b77f1d2 100644
--- a/src/platform/cannonlake/dma.c
+++ b/src/platform/cannonlake/dma.c
@@ -136,6 +136,7 @@ static struct dma dma[] = {
.base = GTW_HOST_IN_STREAM_BASE(0),
.channels = 7,
.irq = IRQ_EXT_HOST_DMA_IN_LVL3(0, 0),
+ .chan_size = GTW_HOST_IN_STREAM_SIZE,
},
.ops = &hda_host_dma_ops,
},
@@ -145,6 +146,7 @@ static struct dma dma[] = {
.base = GTW_HOST_OUT_STREAM_BASE(0),
.channels = 9,
.irq = IRQ_EXT_HOST_DMA_OUT_LVL3(0, 0),
+ .chan_size = GTW_HOST_OUT_STREAM_SIZE,
},
.ops = &hda_host_dma_ops,
},
@@ -154,6 +156,7 @@ static struct dma dma[] = {
.base = GTW_LINK_IN_STREAM_BASE(0),
.channels = 9,
.irq = IRQ_EXT_LINK_DMA_IN_LVL4(0, 0),
+ .chan_size = GTW_LINK_IN_STREAM_SIZE,
},
.ops = &hda_link_dma_ops,
},
@@ -163,6 +166,7 @@ static struct dma dma[] = {
.base = GTW_LINK_OUT_STREAM_BASE(0),
.channels = 7,
.irq = IRQ_EXT_LINK_DMA_OUT_LVL4(0, 0),
+ .chan_size = GTW_LINK_OUT_STREAM_SIZE,
},
.ops = &hda_link_dma_ops,
},};
--
2.14.3
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