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[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>
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1 changed files with 24 additions and 0 deletions
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@ -178,6 +178,28 @@ static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
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c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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}
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/* UCB */
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if (*status & FE_HAS_SYNC) {
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memcpy(cmd.args, "\x84\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 3;
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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utmp1 = cmd.args[2] << 8 | cmd.args[1] << 0;
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dev_dbg(&client->dev, "block_error=%u\n", utmp1);
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/* Sometimes firmware returns bogus value */
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if (utmp1 == 0xffff)
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utmp1 = 0;
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c->block_error.stat[0].scale = FE_SCALE_COUNTER;
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c->block_error.stat[0].uvalue += utmp1;
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} else {
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c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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}
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return 0;
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err:
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dev_dbg(&client->dev, "failed=%d\n", ret);
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@ -535,6 +557,8 @@ static int si2168_init(struct dvb_frontend *fe)
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c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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c->post_bit_count.len = 1;
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c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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c->block_error.len = 1;
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c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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dev->active = true;
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