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[36/37] af9033: wrap DVBv3 BER to DVBv5 BER

Message ID 1409798205-25645-36-git-send-email-crope@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Antti Palosaari Sept. 4, 2014, 2:36 a.m. UTC 
DVBv5 BER is calculated anyway, so just return it for legacy
read_ber() API too.

Signed-off-by: Antti Palosaari <crope@iki.fi>
---
 drivers/media/dvb-frontends/af9033.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 673d60e..f5267fd 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;
 }