ASoC: rsnd: add .fallback callback
Current R-Car sound has PIO fallback support if it couldn't use DMA.
This fallback is done in .remove callback, but, it should have
.fallback callback. Otherwise, normal .remove callback will have
strange behavior. This patch adds .fallback callback.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 110b99d..0785f84 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -368,7 +368,7 @@
/*
* DMA failed. try to PIO mode
* see
- * rsnd_ssi_dma_remove()
+ * rsnd_ssi_fallback()
* rsnd_rdai_continuance_probe()
*/
return -EAGAIN;
@@ -1023,7 +1023,7 @@
* SSI will be switch to PIO mode if it was DMA mode
* see
* rsnd_dma_init()
- * rsnd_ssi_dma_remove()
+ * rsnd_ssi_fallback()
*/
rsnd_dai_call(remove, io, rdai);
@@ -1034,6 +1034,11 @@
rsnd_path_break(priv, io, dvc);
/*
+ * fallback
+ */
+ rsnd_dai_call(fallback, io, rdai);
+
+ /*
* retry to "probe".
* DAI has SSI which is PIO mode only now.
*/
