diff options
| author | Antti Palosaari <crope@iki.fi> | 2016-12-09 16:11:32 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-01-31 15:26:52 +0300 |
| commit | c62d29c81736c6f3a6a9cc6ba2f5aad1cfa6afbc (patch) | |
| tree | 0555dff3f8f5ff12781083208e311d6594276a9d /drivers/media | |
| parent | 8393c00369f1fe68182295b7adca80a73646fdd3 (diff) | |
| download | linux-c62d29c81736c6f3a6a9cc6ba2f5aad1cfa6afbc.tar.xz | |
[media] si2168: implement ucb statistics
Implement DVBv5 UCB. Only uncorrected blocks are currently counted.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb-frontends/si2168.c | 24 |
1 files changed, 24 insertions, 0 deletions
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; |