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Commit c62d29c8 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] si2168: implement ucb statistics 



Implement DVBv5 UCB. Only uncorrected blocks are currently counted.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 8393c003

drivers/media/dvb-frontends/si2168.c

+24 −0
Original line number Diff line number Diff line
@@ -178,6 +178,28 @@ static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status) 
		c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;

	}



	/* UCB */

	if (*status & FE_HAS_SYNC) {

		memcpy(cmd.args, "\x84\x01", 2);

		cmd.wlen = 2;

		cmd.rlen = 3;

		ret = si2168_cmd_execute(client, &cmd);

		if (ret)

			goto err;



		utmp1 = cmd.args[2] << 8 | cmd.args[1] << 0;

		dev_dbg(&client->dev, "block_error=%u\n", utmp1);



		/* Sometimes firmware returns bogus value */

		if (utmp1 == 0xffff)

			utmp1 = 0;



		c->block_error.stat[0].scale = FE_SCALE_COUNTER;

		c->block_error.stat[0].uvalue += utmp1;

	} else {

		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;

	}



	return 0;

err:

	dev_dbg(&client->dev, "failed=%d\n", ret);
@@ -535,6 +557,8 @@ static int si2168_init(struct dvb_frontend *fe) 
	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;

	c->block_error.len = 1;

	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;



	dev->active = true;