diff options
author | Antti Palosaari <crope@iki.fi> | 2014-12-14 09:59:20 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-02-03 16:06:30 -0200 |
commit | 6b4fd01804ced75fb1385df5f6b9cf830cbe15d9 (patch) | |
tree | 3a3e29e870a1a10d3146f1e31910b02606a5a036 /drivers/media/dvb-frontends/rtl2832.c | |
parent | 19d273d63552ac99d171fd68018a41f496248513 (diff) | |
download | linux-6b4fd01804ced75fb1385df5f6b9cf830cbe15d9.tar.gz linux-6b4fd01804ced75fb1385df5f6b9cf830cbe15d9.tar.bz2 linux-6b4fd01804ced75fb1385df5f6b9cf830cbe15d9.zip |
[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>
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
-rw-r--r-- | drivers/media/dvb-frontends/rtl2832.c | 25 |
1 files changed, 25 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; |