[media] tua6100: use DVBv5 parameters on set_params()
Instead of using DVBv3 parameters, rely on DVBv5 parameters to set the tuner Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -70,6 +70,7 @@ static int tua6100_sleep(struct dvb_frontend *fe)
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static int tua6100_set_params(struct dvb_frontend *fe,
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struct dvb_frontend_parameters *params)
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{
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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struct tua6100_priv *priv = fe->tuner_priv;
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u32 div;
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u32 prediv;
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@ -85,36 +86,37 @@ static int tua6100_set_params(struct dvb_frontend *fe,
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#define _ri 4000000
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// setup register 0
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if (params->frequency < 2000000) {
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if (c->frequency < 2000000)
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reg0[1] = 0x03;
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} else {
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else
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reg0[1] = 0x07;
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}
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// setup register 1
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if (params->frequency < 1630000) {
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if (c->frequency < 1630000)
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reg1[1] = 0x2c;
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} else {
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else
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reg1[1] = 0x0c;
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}
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if (_P == 64)
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reg1[1] |= 0x40;
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if (params->frequency >= 1525000)
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if (c->frequency >= 1525000)
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reg1[1] |= 0x80;
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// register 2
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reg2[1] = (_R >> 8) & 0x03;
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reg2[2] = _R;
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if (params->frequency < 1455000) {
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if (c->frequency < 1455000)
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reg2[1] |= 0x1c;
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} else if (params->frequency < 1630000) {
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else if (c->frequency < 1630000)
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reg2[1] |= 0x0c;
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} else {
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else
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reg2[1] |= 0x1c;
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}
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// The N divisor ratio (note: params->frequency is in kHz, but we need it in Hz)
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prediv = (params->frequency * _R) / (_ri / 1000);
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/*
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* The N divisor ratio (note: c->frequency is in kHz, but we
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* need it in Hz)
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*/
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prediv = (c->frequency * _R) / (_ri / 1000);
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div = prediv / _P;
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reg1[1] |= (div >> 9) & 0x03;
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reg1[2] = div >> 1;
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