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ASoC: fsi: Add DMAEngine support

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This patch supports DMAEngine to FSI driver.
It supports only Tx case at this point.
If platform/cpu doesn't support DMAEngine, FSI driver will
use PIO transfer.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto
2012-02-03 00:59:33 -08:00
committed by Mark Brown
parent fa2c8f4017
commit 7da9ced606
2 changed files with 234 additions and 0 deletions
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2
include/sound/sh_fsi.h
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@@ -74,6 +74,8 @@
struct sh_fsi_port_info {
unsigned long flags;
int tx_id;
int rx_id;
int (*set_rate)(struct device *dev, int rate, int enable);
};