Em 17-12-2011 19:54, Antti Palosaari escreveu:
> On 12/17/2011 10:57 PM, linu...@stefanringel.de wrote:
>> From: Stefan Ringel<linu...@stefanringel.de>
>>
>> Signed-off-by: Stefan Ringel<linu...@stefanringel.de>
>> ---
>> drivers/media/common/tuners/mt2063.c | 24 ++++++++++++++++++------
>> 1 files changed, 18 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/media/common/tuners/mt2063.c
>> b/drivers/media/common/tuners/mt2063.c
>> index 6743ffe..5b4b1ec 100644
>> --- a/drivers/media/common/tuners/mt2063.c
>> +++ b/drivers/media/common/tuners/mt2063.c
>> @@ -2211,18 +2211,29 @@ static int mt2063_get_frequency(struct dvb_frontend
>> *fe, u32 *freq)
>> if (!state->init)
>> return -ENODEV;
>>
>> - /*
>> - * FIXME: This is an API abuse at DRX-K driver: in order to allow
>> - * tda18271 to change the IF based on the standard, it uses this
>> - * callback as "get_if_frequency".
>> - */
>> - *freq = state->reference * 1000;
>> + *freq = state->frequency;
>>
>> dprintk(1, "frequency: %d\n", *freq);
>>
>> return 0;
>> }
>>
>> +static int mt2063_get_if_frequency(struct dvb_frontend *fe, u32 *freq)
>> +{
>> + struct mt2063_state *state = fe->tuner_priv;
>> +
>> + dprintk(2, "\n");
>> +
>> + if (!state->init)
>> + return -ENODEV;
>> +
>> + *freq = state->AS_Data.f_out;
>> +
>> + dprintk(1, "if frequency: %d\n", *freq);
>> +
>> + return 0;
>> +}
>> +
>> static int mt2063_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
>> {
>> struct mt2063_state *state = fe->tuner_priv;
>> @@ -2253,6 +2264,7 @@ static struct dvb_tuner_ops mt2063_ops = {
>> .set_analog_params = mt2063_set_analog_params,
>> .set_params = mt2063_set_params,
>> .get_frequency = mt2063_get_frequency,
>> + .get_if_frequency = mt2063_get_if_frequency,
>> .get_bandwidth = mt2063_get_bandwidth,
>> .release = mt2063_release,
>> };
>
> Without looking the code itself that seems like a little bit suspicious. As a
> understand .get_frequency was abused as .get_if_frequency and you changed it
> correctly now. Anyhow, earlier is was returning IF as (state->reference *
> 1000) and now it does (state->AS_Data.f_out). Is that correct? And if yes,
> why there is two variables in state having IF ?
Antti,
Stefan based his patch on my az6007 development tree:
http://git.linuxtv.org/mchehab/experimental.git/shortlog/refs/heads/az6007-2
As there is a driver there for mt2063.
Regards,
Mauro.
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