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authorAntti Palosaari <crope@iki.fi>2014-12-09 09:45:16 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-02-02 17:55:08 -0200
commit5bb11ca5864a2d4a91b0aa972bae7011314fdffc (patch)
tree46b9adae6c6ef3b5c44fd62d3a30f160435b5bad /drivers/media/dvb-frontends/rtl2830.c
parent871f70252b6fef738cda1834200d25e343ce4825 (diff)
[media] rtl2830: implement DVBv5 BER statistic
DVBv5 BER. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2830.c')
-rw-r--r--drivers/media/dvb-frontends/rtl2830.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c
index 641047b89e05..147b3a6898e1 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -250,6 +250,10 @@ static int rtl2830_init(struct dvb_frontend *fe)
c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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));
@@ -759,6 +763,27 @@ static void rtl2830_stat_work(struct work_struct *work)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
+ /* BER */
+ if (dev->fe_status & FE_HAS_LOCK) {
+ ret = rtl2830_rd_regs(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;