diff options
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/frontends/s5h1409.c | 14 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/s5h1409.h | 4 |
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c index 562d9208857..b80a3ee91ba 100644 --- a/drivers/media/dvb/frontends/s5h1409.c +++ b/drivers/media/dvb/frontends/s5h1409.c @@ -42,6 +42,7 @@ struct s5h1409_state { fe_modulation_t current_modulation; u32 current_frequency; + int if_freq; u32 is_qam_locked; u32 qam_state; @@ -348,6 +349,9 @@ static int s5h1409_softreset(struct dvb_frontend* fe) return 0; } +#define S5H1409_VSB_IF_FREQ 5380 +#define S5H1409_QAM_IF_FREQ state->config->qam_if + static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz) { struct s5h1409_state* state = fe->demodulator_priv; @@ -369,6 +373,9 @@ static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz) ret = -1; } + if (0 == ret) + state->if_freq = KHz; + return ret; } @@ -394,11 +401,15 @@ static int s5h1409_enable_modulation(struct dvb_frontend* fe, switch(m) { case VSB_8: dprintk("%s() VSB_8\n", __FUNCTION__); + if (state->if_freq != S5H1409_VSB_IF_FREQ) + s5h1409_set_if_freq(fe, S5H1409_VSB_IF_FREQ); s5h1409_writereg(state, 0xf4, 0); break; case QAM_64: case QAM_256: dprintk("%s() QAM_AUTO (64/256)\n", __FUNCTION__); + if (state->if_freq != S5H1409_QAM_IF_FREQ) + s5h1409_set_if_freq(fe, S5H1409_QAM_IF_FREQ); s5h1409_writereg(state, 0xf4, 1); s5h1409_writereg(state, 0x85, 0x110); break; @@ -571,7 +582,7 @@ static int s5h1409_init (struct dvb_frontend* fe) s5h1409_writereg(state, 0xab, 0x0); /* Parallel */ s5h1409_set_spectralinversion(fe, state->config->inversion); - s5h1409_set_if_freq(fe, state->config->if_freq); + s5h1409_set_if_freq(fe, state->if_freq); s5h1409_set_gpio(fe, state->config->gpio); s5h1409_softreset(fe); @@ -751,6 +762,7 @@ struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config, state->config = config; state->i2c = i2c; state->current_modulation = 0; + state->if_freq = S5H1409_VSB_IF_FREQ; /* check if the demod exists */ if (s5h1409_readreg(state, 0x04) != 0x0066) diff --git a/drivers/media/dvb/frontends/s5h1409.h b/drivers/media/dvb/frontends/s5h1409.h index 20f9af1af44..b1f43390666 100644 --- a/drivers/media/dvb/frontends/s5h1409.h +++ b/drivers/media/dvb/frontends/s5h1409.h @@ -39,8 +39,8 @@ struct s5h1409_config #define S5H1409_GPIO_ON 1 u8 gpio; - /* IF Freq in KHz */ - u16 if_freq; + /* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */ + u16 qam_if; /* Spectral Inversion */ #define S5H1409_INVERSION_OFF 0 |