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author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
commit | 896395c290f902576270d84291c1f7f8bfbe339d (patch) | |
tree | 650114bff3a5f808ee1d713ecc443b0eaab2e1c3 /drivers/media/dvb/frontends/au8522.c | |
parent | af1cf204ba2fd8135933a2e4df523fb1112dc0e2 (diff) | |
parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
download | op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.zip op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.tar.gz |
Merge branch 'linus' into tmp.x86.mpparse.new
Diffstat (limited to 'drivers/media/dvb/frontends/au8522.c')
-rw-r--r-- | drivers/media/dvb/frontends/au8522.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c index 084a280..03900d2 100644 --- a/drivers/media/dvb/frontends/au8522.c +++ b/drivers/media/dvb/frontends/au8522.c @@ -463,10 +463,13 @@ static int au8522_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) { struct au8522_state *state = fe->demodulator_priv; + int ret = -EINVAL; dprintk("%s(frequency=%d)\n", __func__, p->frequency); - state->current_frequency = p->frequency; + if ((state->current_frequency == p->frequency) && + (state->current_modulation == p->u.vsb.modulation)) + return 0; au8522_enable_modulation(fe, p->u.vsb.modulation); @@ -476,11 +479,16 @@ static int au8522_set_frontend(struct dvb_frontend *fe, if (fe->ops.tuner_ops.set_params) { if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); - fe->ops.tuner_ops.set_params(fe, p); + ret = fe->ops.tuner_ops.set_params(fe, p); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); } + if (ret < 0) + return ret; + + state->current_frequency = p->frequency; + return 0; } @@ -498,6 +506,16 @@ static int au8522_init(struct dvb_frontend *fe) return 0; } +static int au8522_sleep(struct dvb_frontend *fe) +{ + struct au8522_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); + + state->current_frequency = 0; + + return 0; +} + static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status) { struct au8522_state *state = fe->demodulator_priv; @@ -509,10 +527,8 @@ static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status) if (state->current_modulation == VSB_8) { dprintk("%s() Checking VSB_8\n", __func__); reg = au8522_readreg(state, 0x4088); - if (reg & 0x01) - *status |= FE_HAS_VITERBI; - if (reg & 0x02) - *status |= FE_HAS_LOCK | FE_HAS_SYNC; + if ((reg & 0x03) == 0x03) + *status |= FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI; } else { dprintk("%s() Checking QAM\n", __func__); reg = au8522_readreg(state, 0x4541); @@ -672,6 +688,7 @@ static struct dvb_frontend_ops au8522_ops = { }, .init = au8522_init, + .sleep = au8522_sleep, .i2c_gate_ctrl = au8522_i2c_gate_ctrl, .set_frontend = au8522_set_frontend, .get_frontend = au8522_get_frontend, |