diff options
Diffstat (limited to 'drivers/media/dvb-frontends/cx24120.c')
| -rw-r--r-- | drivers/media/dvb-frontends/cx24120.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c index a14d0f1cc71e..10a948ef8440 100644 --- a/drivers/media/dvb-frontends/cx24120.c +++ b/drivers/media/dvb-frontends/cx24120.c @@ -154,7 +154,7 @@ struct cx24120_state { u32 bitrate; u32 berw_usecs; u32 ber_prev; - u32 per_prev; + u32 ucb_offset; unsigned long ber_jiffies_stats; unsigned long per_jiffies_stats; }; @@ -698,8 +698,12 @@ static void cx24120_get_stats(struct cx24120_state *state) ucb |= cx24120_readreg(state, CX24120_REG_UCB_L); dev_dbg(&state->i2c->dev, "ucblocks = %d\n", ucb); + /* handle reset */ + if (ucb < state->ucb_offset) + state->ucb_offset = c->block_error.stat[0].uvalue; + c->block_error.stat[0].scale = FE_SCALE_COUNTER; - c->block_error.stat[0].uvalue += ucb; + c->block_error.stat[0].uvalue = ucb + state->ucb_offset; c->block_count.stat[0].scale = FE_SCALE_COUNTER; c->block_count.stat[0].uvalue += state->bitrate / 8 / 208; @@ -1541,8 +1545,7 @@ static int cx24120_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) return 0; } - *ucblocks = c->block_error.stat[0].uvalue - state->per_prev; - state->per_prev = c->block_error.stat[0].uvalue; + *ucblocks = c->block_error.stat[0].uvalue - state->ucb_offset; return 0; } |
