adjust signal strength report for devices with eLNA set to 0xA0
From: Gianluca Gennari <gennarone@gmail.com>
---
drivers/staging/media/as102/as102_fe.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/staging/media/as102/as102_fe.c b/drivers/staging/media/as102/as102_fe.c
index 9ce8c9d..d188818 100644
--- a/drivers/staging/media/as102/as102_fe.c
+++ b/drivers/staging/media/as102/as102_fe.c
@@ -224,6 +224,16 @@ static int as102_fe_read_signal_strength(struct dvb_frontend *fe,
*strength = (((0xffff * 400) * dev->signal_strength + 41000) * 2);
+ switch (dev->elna_cfg) {
+ case 0xA0:
+ /* with eLNA set to 0xA0, the signal strength is capped at about 53% */
+ *strength = *strength > 0x8ccc ? 0xffff : *strength * 20 / 11;
+ break;
+ case 0XC0:
+ default:
+ break;
+ }
+
LEAVE();
return 0;
}
--
1.7.9.5