[PATCH] ASoC: rockchip: add missing slave_config setting for I2S

[Katsuhiro Suzuki]

This patch adds missing prepare_sleve_config that is needed for
setup the DMA slave channel for I2S.

Signed-off-by: Katsuhiro Suzuki <katsuh...@katsuster.net>
---
 sound/soc/rockchip/rockchip_pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/rockchip/rockchip_pcm.c 
b/sound/soc/rockchip/rockchip_pcm.c
index 9e7b5fa4cf59..4ac78d7a4b2d 100644
--- a/sound/soc/rockchip/rockchip_pcm.c
+++ b/sound/soc/rockchip/rockchip_pcm.c
@@ -33,6 +33,7 @@ static const struct snd_pcm_hardware snd_rockchip_hardware = {
 
 static const struct snd_dmaengine_pcm_config rk_dmaengine_pcm_config = {
        .pcm_hardware = &snd_rockchip_hardware,
+       .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
        .prealloc_buffer_size = 32 * 1024,
 };
 
-- 
2.19.1