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si4700 tuner: fix power consumption issue caused by ill-defined power…

… state at startup

Change-Id: I657bc7e3d330f436859cfef2a89b0813bc008c49
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commit 73732f406ebd3e5b85a70c8f7ff60fd26144551a 1 parent c45984d
@bertrik bertrik authored
Showing with 4 additions and 0 deletions.
  1. +4 −0 firmware/drivers/tuner/si4700.c
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4 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

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