patches.renesas/0074-ASoC-rcar-bugfix-it-cares-about-the-non-src-case.patch

From 40bd3f26cc31b914c28192aa4c698fc501c2d2f4 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun, 23 Mar 2014 21:23:42 -0700
Subject: ASoC: rcar: bugfix: it cares about the non-src case

src might not exist.
kernel will be hung-up without this patch in such case.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit b1eac430b6a4bee6821273d9b41dd3593eb7830b)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 sound/soc/sh/rcar/src.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index eee75ebf961c..6232b7d307aa 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -182,16 +182,20 @@ unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
 				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime)
 {
+	struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
 	struct rsnd_src *src;
-	unsigned int rate;
+	unsigned int rate = 0;
 
-	src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
+	if (src_mod) {
+		src = rsnd_mod_to_src(src_mod);
+
+		/*
+		 * return convert rate if SRC is used,
+		 * otherwise, return runtime->rate as usual
+		 */
+		rate = rsnd_src_convert_rate(src);
+	}
 
-	/*
-	 * return convert rate if SRC is used,
-	 * otherwise, return runtime->rate as usual
-	 */
-	rate = rsnd_src_convert_rate(src);
 	if (!rate)
 		rate = runtime->rate;
 
-- 
2.1.2