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Commit 6b4fd018 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] rtl2832: implement DVBv5 BER statistic 



DVBv5 BER.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 19d273d6

drivers/media/dvb-frontends/rtl2832.c

+25 −0
Original line number Diff line number Diff line
@@ -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;

drivers/media/dvb-frontends/rtl2832_priv.h

+2 −0
Original line number Diff line number Diff line
@@ -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;