[media] rtl2830: implement .read_ber()

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/media/dvb/frontends/rtl2830.c b/drivers/media/dvb/frontends/rtl2830.c
index e6d7c501717a..266098656c48 100644
--- a/drivers/media/dvb/frontends/rtl2830.c
+++ b/drivers/media/dvb/frontends/rtl2830.c
@@ -450,8 +450,20 @@ err:
 
 static int rtl2830_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
-        *ber = 0;
+        struct rtl2830_priv *priv = fe->demodulator_priv;
+        int ret;
+        u8 buf[2];
+
+        ret = rtl2830_rd_regs(priv, 0x34e, buf, 2);
+        if (ret)
+                goto err;
+
+        *ber = buf[0] << 8 | buf[1];
+
         return 0;
+err:
+        dbg("%s: failed=%d", __func__, ret);
+        return ret;
 }
 
 static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)