lib: enable standby mode of e4k and r820t on exit

Since the R820T is a power hog and gets quite hot,
this makes sense, especially when being battery-
powered.

Signed-off-by: Steve Markgraf <steve@steve-m.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/tuner_e4k.c b/src/tuner_e4k.c
index 0232f88..47fe4fe 100644
--- a/src/tuner_e4k.c
+++ b/src/tuner_e4k.c
@@ -881,6 +881,19 @@ int e4k_dc_offset_gen_table(struct e4k_state *e4k)
 }
 
 /***********************************************************************
+ * Standby */
+
+/*! \brief Enable/disable standby mode
+ */
+int e4k_standby(struct e4k_state *e4k, int enable)
+{
+	e4k_reg_set_mask(e4k, E4K_REG_MASTER1, E4K_MASTER1_NORM_STBY,
+			 enable ? 0 : E4K_MASTER1_NORM_STBY);
+
+	return 0;
+}
+
+/***********************************************************************
  * Initialization */
 
 static int magic_init(struct e4k_state *e4k)