From 6b4fd01804ced75fb1385df5f6b9cf830cbe15d9 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 14 Dec 2014 09:59:20 -0300 Subject: [PATCH] [media] rtl2832: implement DVBv5 BER statistic DVBv5 BER. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/rtl2832.c | 25 ++++++++++++++++++++++ drivers/media/dvb-frontends/rtl2832_priv.h | 2 ++ 2 files changed, 27 insertions(+) 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; diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h index 3c44983b95a0..a5f5ccdf10d8 100644 --- a/drivers/media/dvb-frontends/rtl2832_priv.h +++ b/drivers/media/dvb-frontends/rtl2832_priv.h @@ -35,6 +35,8 @@ struct rtl2832_dev { struct dvb_frontend fe; struct delayed_work stat_work; fe_status_t fe_status; + u64 post_bit_error; + u64 post_bit_count; bool i2c_gate_state; bool sleeping; struct delayed_work i2c_gate_work; -- 2.20.1