[media] af9033: wrap DVBv3 BER to DVBv5 BER

DVBv5 BER is calculated anyway, so just return it for legacy
read_ber() API too.

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

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 673d60ef9654..f5267fdad75e 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -38,6 +38,7 @@ struct af9033_dev {
         fe_status_t fe_status;
         u32 ber;
         u32 ucb;
+        u64 post_bit_error_prev; /* for old read_ber we return (curr - prev) */
         u64 post_bit_error;
         u64 post_bit_count;
         u64 error_block_count;
@@ -918,13 +919,9 @@ err:
 static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
         struct af9033_dev *dev = fe->demodulator_priv;
-        int ret;
-
-        ret = af9033_update_ch_stat(dev);
-        if (ret < 0)
-                return ret;
 
-        *ber = dev->ber;
+        *ber = (dev->post_bit_error - dev->post_bit_error_prev);
+        dev->post_bit_error_prev = dev->post_bit_error;
 
         return 0;
 }