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authorAntti Palosaari <crope@iki.fi>2014-12-14 16:10:22 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-02-03 21:07:22 +0300
commit084330b746d9fb369cc6df17fdbc9dc8952249bf (patch)
tree886f68b169eb1d34a363f42079c2bf66f8afdf11
parentf7caf93fb8ed299c1f9a3d2713c8d588c938316e (diff)
downloadlinux-084330b746d9fb369cc6df17fdbc9dc8952249bf.tar.xz
[media] rtl2832: wrap DVBv5 BER to DVBv3
Change legacy DVBv3 read BER to return values calculated by DVBv5 statistics. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/dvb-frontends/rtl2832.c13
-rw-r--r--drivers/media/dvb-frontends/rtl2832_priv.h1
2 files changed, 3 insertions, 11 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index 18f150105438..90d4f45d9958 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -805,20 +805,11 @@ static int rtl2832_read_snr(struct dvb_frontend *fe, u16 *snr)
static int rtl2832_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct rtl2832_dev *dev = fe->demodulator_priv;
- struct i2c_client *client = dev->client;
- int ret;
- u8 buf[2];
-
- ret = rtl2832_rd_regs(dev, 0x4e, 3, buf, 2);
- if (ret)
- goto err;
- *ber = buf[0] << 8 | buf[1];
+ *ber = (dev->post_bit_error - dev->post_bit_error_prev);
+ dev->post_bit_error_prev = dev->post_bit_error;
return 0;
-err:
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
}
static void rtl2832_stat_work(struct work_struct *work)
diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h
index 5e90cd49d780..a44614c7af21 100644
--- a/drivers/media/dvb-frontends/rtl2832_priv.h
+++ b/drivers/media/dvb-frontends/rtl2832_priv.h
@@ -36,6 +36,7 @@ struct rtl2832_dev {
struct dvb_frontend fe;
struct delayed_work stat_work;
fe_status_t fe_status;
+ u64 post_bit_error_prev; /* for old DVBv3 read_ber() calculation */
u64 post_bit_error;
u64 post_bit_count;
bool i2c_gate_state;