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| author |   Antti Palosaari <crope@iki.fi> | 2014-12-09 09:45:16 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-02-02 17:55:08 -0200 |
| commit | 5bb11ca5864a2d4a91b0aa972bae7011314fdffc (patch) | |
| tree | 46b9adae6c6ef3b5c44fd62d3a30f160435b5bad /drivers/media/dvb-frontends/rtl2830.c | |
| parent | [media] rtl2830: implement DVBv5 signal strength statistics (diff) | |
| download | linux-dev-5bb11ca5864a2d4a91b0aa972bae7011314fdffc.tar.xz linux-dev-5bb11ca5864a2d4a91b0aa972bae7011314fdffc.zip | |
[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.c | 25 |
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; |