diff options
Diffstat (limited to 'drivers/media/common/tuners/tuner-simple.c')
| -rw-r--r-- | drivers/media/common/tuners/tuner-simple.c | 44 |
1 files changed, 30 insertions, 14 deletions
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index 78412c9..149d54c 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -416,6 +416,24 @@ static int simple_std_setup(struct dvb_frontend *fe, return 0; } +static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int rc; + u8 buffer[2]; + + buffer[0] = (config & ~0x38) | 0x18; + buffer[1] = aux; + + tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]); + + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); + if (2 != rc) + tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); + + return rc == 2 ? 0 : rc; +} + static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, u16 div, u8 config, u8 cb) { @@ -424,17 +442,10 @@ static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, switch (priv->type) { case TUNER_LG_TDVS_H06XF: - /* Set the Auxiliary Byte. */ - buffer[0] = buffer[2]; - buffer[0] &= ~0x20; - buffer[0] |= 0x18; - buffer[1] = 0x20; - tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]); - - rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); - if (2 != rc) - tuner_warn("i2c i/o error: rc == %d " - "(should be 2)\n", rc); + simple_set_aux_byte(fe, config, 0x20); + break; + case TUNER_PHILIPS_FQ1216LME_MK3: + simple_set_aux_byte(fe, config, 0x60); /* External AGC */ break; case TUNER_MICROTUNE_4042FI5: { @@ -506,6 +517,11 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) case TUNER_THOMSON_DTT761X: buffer[3] = 0x39; break; + case TUNER_PHILIPS_FQ1216LME_MK3: + tuner_err("This tuner doesn't have FM\n"); + /* Set the low band for sanity, since it covers 88-108 MHz */ + buffer[3] = 0x01; + break; case TUNER_MICROTUNE_4049FM5: default: buffer[3] = 0xa4; @@ -678,12 +694,12 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, return 0; } - /* Bandswitch byte */ - simple_radio_bandswitch(fe, &buffer[0]); - buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ + /* Bandswitch byte */ + simple_radio_bandswitch(fe, &buffer[0]); + /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) = freq * (1/800) */ |