si4700 tuner: lower stereo switchover range, so it switches to stereo for weaker signals. Should fix FS#11405.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28284 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/firmware/drivers/tuner/si4700.c b/firmware/drivers/tuner/si4700.c
index ea88dc9835..dfc0e46caf 100644
--- a/firmware/drivers/tuner/si4700.c
+++ b/firmware/drivers/tuner/si4700.c
@@ -309,6 +309,10 @@ static void si4700_sleep(int snooze)
                             SYSCONFIG1_GPIO1 | SYSCONFIG1_GPIO2 |
                             SYSCONFIG1_GPIO3);
 #endif
+        /* set mono->stereo switching RSSI range to lowest setting */
+        si4700_write_masked(SYSCONFIG1, SYSCONFIG1_BLNDADJ_19_37_RSSI, 
+                            SYSCONFIG1_BLNDADJ);
+
         si4700_write_masked(SYSCONFIG2,
                             SYSCONFIG2_SKEETHw(SEEK_THRESHOLD) |
                             SYSCONFIG2_VOLUMEw(0xF),