From c62d29c81736c6f3a6a9cc6ba2f5aad1cfa6afbc Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Fri, 9 Dec 2016 11:11:32 -0200 Subject: [media] si2168: implement ucb statistics Implement DVBv5 UCB. Only uncorrected blocks are currently counted. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/si2168.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'drivers/media/dvb-frontends') diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 5fbb6c12b766..680ba06c29fb 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -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 @@ warm: 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; -- cgit v1.2.3-55-g7522