diff options
| author | Antti Palosaari <crope@iki.fi> | 2017-03-17 19:45:48 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-10 18:44:26 +0300 |
| commit | 0fc66c1949f93417f5995c623ad0876bbb1e6c60 (patch) | |
| tree | 061309a877a5126e182aa0fe980a8d58f8e0fe34 /drivers | |
| parent | c635a5e2cf66444b8904e0b253ea0869be697f92 (diff) | |
| download | linux-0fc66c1949f93417f5995c623ad0876bbb1e6c60.tar.xz | |
[media] mn88472: implement PER statistics
Implement DVBv5 PER.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb-frontends/mn88472.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c index c7e5f6302dc6..f6938f9607ac 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; |