From 5e89217777b5d005c544560f48636d995ca142d6 Mon Sep 17 00:00:00 2001
From: Bertrik Sikken <bertrik@sikken.nl>
Date: Wed, 11 Apr 2012 23:31:19 +0200
Subject: [PATCH] si4700 tuner: fix power consumption issue caused by
 ill-defined power state at startup

Change-Id: I657bc7e3d330f436859cfef2a89b0813bc008c49
---
 firmware/drivers/tuner/si4700.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/firmware/drivers/tuner/si4700.c b/firmware/drivers/tuner/si4700.c
index a5b004aef4..6fd977d318 100644
--- a/firmware/drivers/tuner/si4700.c
+++ b/firmware/drivers/tuner/si4700.c
@@ -368,6 +368,10 @@ void si4700_init(void)
     mutex_init(&fmr_mutex);
     /* check device id */
     if (si4700_detect()) {
+        /* make sure the tuner goes into a well-defined powered-off state */
+        si4700_sleep(0);
+        si4700_sleep(1);
+
 #ifdef HAVE_RDS_CAP
         si4700_rds_init();
 #endif