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authorAntti Palosaari <crope@iki.fi>2014-12-14 15:59:20 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-02-03 21:06:30 +0300
commit6b4fd01804ced75fb1385df5f6b9cf830cbe15d9 (patch)
tree3a3e29e870a1a10d3146f1e31910b02606a5a036
parent19d273d63552ac99d171fd68018a41f496248513 (diff)
downloadlinux-6b4fd01804ced75fb1385df5f6b9cf830cbe15d9.tar.xz
[media] rtl2832: implement DVBv5 BER statistic
DVBv5 BER. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/dvb-frontends/rtl2832.c25
-rw-r--r--drivers/media/dvb-frontends/rtl2832_priv.h2
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index 239472b4ce72..0a0899d2a6b2 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -476,6 +476,10 @@ static int rtl2832_init(struct dvb_frontend *fe)
/* init stats here in order signal app which stats are supported */
c->cnr.len = 1;
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
/* start statistics polling */
schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000));
dev->sleeping = false;
@@ -904,6 +908,27 @@ static void rtl2832_stat_work(struct work_struct *work)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
+ /* BER */
+ if (dev->fe_status & FE_HAS_LOCK) {
+ ret = rtl2832_bulk_read(client, 0x34e, buf, 2);
+ if (ret)
+ goto err;
+
+ u16tmp = buf[0] << 8 | buf[1] << 0;
+ dev->post_bit_error += u16tmp;
+ dev->post_bit_count += 1000000;
+
+ dev_dbg(&client->dev, "ber errors=%u total=1000000\n", u16tmp);
+
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = dev->post_bit_count;
+ } else {
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
err_schedule_delayed_work:
schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000));
return;
diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h
index 3c44983b95a0..a5f5ccdf10d8 100644
--- a/drivers/media/dvb-frontends/rtl2832_priv.h
+++ b/drivers/media/dvb-frontends/rtl2832_priv.h
@@ -35,6 +35,8 @@ struct rtl2832_dev {
struct dvb_frontend fe;
struct delayed_work stat_work;
fe_status_t fe_status;
+ u64 post_bit_error;
+ u64 post_bit_count;
bool i2c_gate_state;
bool sleeping;
struct delayed_work i2c_gate_work;