ASoC: msm: qdsp6v2: Fix voice mute issue when EC ref is set

Function voc_set_ext_ec_ref returns 0 on success, handle the
return value of this function appropriately to avoid mute issue.

CRs-Fixed: 601078
Change-Id: I7226c088410bf4a2effe0d060f839dc7928359bf
Signed-off-by: Deepa Madiregama <dmadireg@codeaurora.org>
1 file changed