ASoC: Initialize val to avoid access garbage value

In DAPM, when booting up widgets connect variable
is sometimes initialized with value 1 even though
expected to be 0. This is due to val not initialized
locally in API dapm_set_mixer_path_status and can
result in using garbage value.

CRs-Fixed: 982805
Change-Id: I172558f64c19750c461befda3aa16ca6480ab507
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 650ea4c..bf3423a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -735,7 +735,7 @@
 	unsigned int max = mc->max;
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
-	unsigned int val;
+	unsigned int val = 0;
 
 	if (reg != SND_SOC_NOPM) {
 		soc_dapm_read(p->sink->dapm, reg, &val);