ASoC: fsi: remove unnecessary parameter from fsi_hw_shutdown()

This is preparation for DMAEngine support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 79485ed..a0a9c36 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -927,7 +927,6 @@
 }
 
 static void fsi_hw_shutdown(struct fsi_priv *fsi,
-			    int is_play,
 			    struct device *dev)
 {
 	if (fsi_is_clk_master(fsi))
@@ -947,9 +946,8 @@
 			     struct snd_soc_dai *dai)
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
-	int is_play = fsi_is_play(substream);
 
-	fsi_hw_shutdown(fsi, is_play, dai->dev);
+	fsi_hw_shutdown(fsi, dai->dev);
 	fsi->rate = 0;
 }
 
@@ -1342,7 +1340,7 @@
 		return;
 
 	fsi_port_stop(fsi, is_play);
-	fsi_hw_shutdown(fsi, is_play, dev);
+	fsi_hw_shutdown(fsi, dev);
 }
 
 static void __fsi_resume(struct fsi_priv *fsi,