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[media] mxl111sf: add mxl111sf_tuner_get_if_frequency

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Reported-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2011-11-03 08:39:12 -03:00 committed by Mauro Carvalho Chehab
parent ff17999184
commit f7901f9b4a
1 changed files with 55 additions and 1 deletions
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56
drivers/media/dvb/dvb-usb/mxl111sf-tuner.c
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@ -38,6 +38,8 @@ struct mxl111sf_tuner_state {
struct mxl111sf_tuner_config *cfg;
enum mxl_if_freq if_freq;
u32 frequency;
u32 bandwidth;
};
@ -186,7 +188,10 @@ static int mxl1x1sf_tuner_set_if_output_freq(struct mxl111sf_tuner_state *state)
ctrl = iffcw & 0x00ff;
#endif
ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_FCW_REG, ctrl);
mxl_fail(ret);
if (mxl_fail(ret))
goto fail;
state->if_freq = state->cfg->if_freq;
fail:
return ret;
}
@ -407,6 +412,54 @@ static int mxl111sf_tuner_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
return 0;
}
static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe,
u32 *frequency)
{
struct mxl111sf_tuner_state *state = fe->tuner_priv;
*frequency = 0;
switch (state->if_freq) {
case MXL_IF_4_0: /* 4.0 MHz */
*frequency = 4000000;
break;
case MXL_IF_4_5: /* 4.5 MHz */
*frequency = 4500000;
break;
case MXL_IF_4_57: /* 4.57 MHz */
*frequency = 4570000;
break;
case MXL_IF_5_0: /* 5.0 MHz */
*frequency = 5000000;
break;
case MXL_IF_5_38: /* 5.38 MHz */
*frequency = 5380000;
break;
case MXL_IF_6_0: /* 6.0 MHz */
*frequency = 6000000;
break;
case MXL_IF_6_28: /* 6.28 MHz */
*frequency = 6280000;
break;
case MXL_IF_7_2: /* 7.2 MHz */
*frequency = 7200000;
break;
case MXL_IF_35_25: /* 35.25 MHz */
*frequency = 35250000;
break;
case MXL_IF_36: /* 36 MHz */
*frequency = 36000000;
break;
case MXL_IF_36_15: /* 36.15 MHz */
*frequency = 36150000;
break;
case MXL_IF_44: /* 44 MHz */
*frequency = 44000000;
break;
}
return 0;
}
static int mxl111sf_tuner_release(struct dvb_frontend *fe)
{
struct mxl111sf_tuner_state *state = fe->tuner_priv;
@ -436,6 +489,7 @@ static struct dvb_tuner_ops mxl111sf_tuner_tuner_ops = {
.get_rf_strength = mxl111sf_get_rf_strength,
.get_frequency = mxl111sf_tuner_get_frequency,
.get_bandwidth = mxl111sf_tuner_get_bandwidth,
.get_if_frequency = mxl111sf_tuner_get_if_frequency,
.release = mxl111sf_tuner_release,
};