Implement DVBv5 PER.
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/dvb-frontends/mn88472.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c
index c7e5f63..f6938f96 100644
--- a/drivers/media/dvb-frontends/mn88472.c
+++ b/drivers/media/dvb-frontends/mn88472.c
@@ -179,6 +179,26 @@ static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
+ /* PER */
+ if (*status & FE_HAS_SYNC) {
+ ret = regmap_bulk_read(dev->regmap[0], 0xe1, buf, 4);
+ if (ret)
+ goto err;
+
+ utmp1 = buf[0] << 8 | buf[1] << 0;
+ utmp2 = buf[2] << 8 | buf[3] << 0;
+ dev_dbg(&client->dev, "block_error=%u block_count=%u\n",
+ utmp1, utmp2);
+
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue += utmp1;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue += utmp2;
+ } else {
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
return 0;
err:
dev_dbg(&client->dev, "failed=%d\n", ret);
@@ -654,6 +674,8 @@ static int mn88472_probe(struct i2c_client *client,
c = &dev->fe.dtv_property_cache;
c->strength.len = 1;
c->cnr.len = 1;
+ c->block_error.len = 1;
+ c->block_count.len = 1;
/* Setup callbacks */
pdata->get_dvb_frontend = mn88472_get_dvb_frontend;
--
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