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[media] rtl2832: implement DVBv5 BER statistic

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DVBv5 BER.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2014-12-14 09:59:20 -03:00 committed by Mauro Carvalho Chehab
parent 19d273d635
commit 6b4fd01804
2 changed files with 27 additions and 0 deletions
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25
drivers/media/dvb-frontends/rtl2832.c
View file

@ -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;

2
drivers/media/dvb-frontends/rtl2832_priv.h
View file

@ -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;