V4L/DVB (3934): Support new dvb-ttusb-budget boards with stv0297
Added config switch to stv0297 to control i2c STOP during write behaviour. Update frontend init in dvb-ttusb-budget. Enable i2c STOP on other users of stv0297. Signed-off-by: Thomas Kaiser <linux-dvb AT kaiser-linux.li> Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Thomas Kaiser
Mauro Carvalho Chehab
parent
21c2858235
commit
b8d4c235d5
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@ -68,12 +68,12 @@ static int stv0297_readreg(struct stv0297_state *state, u8 reg)
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int ret;
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u8 b0[] = { reg };
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u8 b1[] = { 0 };
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struct i2c_msg msg[] = { {.addr = state->config->demod_address,.flags = 0,.buf = b0,.len =
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1},
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struct i2c_msg msg[] = { {.addr = state->config->demod_address,.flags = 0,.buf = b0,.len = 1},
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{.addr = state->config->demod_address,.flags = I2C_M_RD,.buf = b1,.len = 1}
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};
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// this device needs a STOP between the register and data
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if (state->config->stop_during_read) {
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if ((ret = i2c_transfer(state->i2c, &msg[0], 1)) != 1) {
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg, ret);
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return -1;
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@ -82,6 +82,12 @@ static int stv0297_readreg(struct stv0297_state *state, u8 reg)
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg, ret);
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return -1;
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}
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} else {
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if ((ret = i2c_transfer(state->i2c, msg, 2)) != 2) {
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg, ret);
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return -1;
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}
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}
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return b1[0];
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}
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@ -107,6 +113,7 @@ static int stv0297_readregs(struct stv0297_state *state, u8 reg1, u8 * b, u8 len
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};
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// this device needs a STOP between the register and data
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if (state->config->stop_during_read) {
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if ((ret = i2c_transfer(state->i2c, &msg[0], 1)) != 1) {
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg1, ret);
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return -1;
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@ -115,6 +122,12 @@ static int stv0297_readregs(struct stv0297_state *state, u8 reg1, u8 * b, u8 len
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg1, ret);
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return -1;
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}
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} else {
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if ((ret = i2c_transfer(state->i2c, msg, 2)) != 2) {
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dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", __FUNCTION__, reg1, ret);
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return -1;
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}
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}
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return 0;
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}
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@ -37,6 +37,9 @@ struct stv0297_config
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/* does the "inversion" need inverted? */
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u8 invert:1;
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/* set to 1 if the device requires an i2c STOP during reading */
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u8 stop_during_read:1;
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};
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extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
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@ -1859,6 +1859,7 @@ static struct stv0297_config nexusca_stv0297_config = {
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.demod_address = 0x1C,
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.inittab = nexusca_stv0297_inittab,
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.invert = 1,
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.stop_during_read = 1,
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};
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@ -977,6 +977,7 @@ static struct stv0297_config dvbc_philips_tdm1316l_config = {
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.demod_address = 0x1c,
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.inittab = dvbc_philips_tdm1316l_inittab,
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.invert = 0,
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.stop_during_read = 1,
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};
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@ -6,6 +6,7 @@ config DVB_TTUSB_BUDGET
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select DVB_VES1820
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select DVB_TDA8083
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select DVB_STV0299
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select DVB_STV0297
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select DVB_LNBP21
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help
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Support for external USB adapters designed by Technotrend and
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@ -30,6 +30,7 @@
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#include "tda1004x.h"
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#include "stv0299.h"
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#include "tda8083.h"
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#include "stv0297.h"
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#include "lnbp21.h"
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#include <linux/dvb/frontend.h>
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@ -1380,6 +1381,174 @@ static u8 read_pwm(struct ttusb* ttusb)
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}
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static int dvbc_philips_tdm1316l_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
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{
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struct ttusb *ttusb = (struct ttusb *) fe->dvb->priv;
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u8 tuner_buf[5];
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struct i2c_msg tuner_msg = {.addr = 0x60,
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.flags = 0,
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.buf = tuner_buf,
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.len = sizeof(tuner_buf) };
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int tuner_frequency = 0;
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u8 band, cp, filter;
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// determine charge pump
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tuner_frequency = params->frequency;
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if (tuner_frequency < 87000000) {return -EINVAL;}
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else if (tuner_frequency < 130000000) {cp = 3; band = 1;}
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else if (tuner_frequency < 160000000) {cp = 5; band = 1;}
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else if (tuner_frequency < 200000000) {cp = 6; band = 1;}
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else if (tuner_frequency < 290000000) {cp = 3; band = 2;}
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else if (tuner_frequency < 420000000) {cp = 5; band = 2;}
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else if (tuner_frequency < 480000000) {cp = 6; band = 2;}
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else if (tuner_frequency < 620000000) {cp = 3; band = 4;}
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else if (tuner_frequency < 830000000) {cp = 5; band = 4;}
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else if (tuner_frequency < 895000000) {cp = 7; band = 4;}
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else {return -EINVAL;}
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// assume PLL filter should always be 8MHz for the moment.
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filter = 1;
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// calculate divisor
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// (Finput + Fif)/Fref; Fif = 36125000 Hz, Fref = 62500 Hz
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tuner_frequency = ((params->frequency + 36125000) / 62500);
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// setup tuner buffer
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tuner_buf[0] = tuner_frequency >> 8;
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tuner_buf[1] = tuner_frequency & 0xff;
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tuner_buf[2] = 0xc8;
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tuner_buf[3] = (cp << 5) | (filter << 3) | band;
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tuner_buf[4] = 0x80;
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if (fe->ops->i2c_gate_ctrl)
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fe->ops->i2c_gate_ctrl(fe, 1);
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if (i2c_transfer(&ttusb->i2c_adap, &tuner_msg, 1) != 1) {
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printk("dvb-ttusb-budget: dvbc_philips_tdm1316l_pll_set Error 1\n");
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return -EIO;
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}
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msleep(50);
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if (fe->ops->i2c_gate_ctrl)
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fe->ops->i2c_gate_ctrl(fe, 1);
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if (i2c_transfer(&ttusb->i2c_adap, &tuner_msg, 1) != 1) {
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printk("dvb-ttusb-budget: dvbc_philips_tdm1316l_pll_set Error 2\n");
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return -EIO;
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}
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msleep(1);
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return 0;
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}
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static u8 dvbc_philips_tdm1316l_inittab[] = {
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0x80, 0x21,
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0x80, 0x20,
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0x81, 0x01,
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0x81, 0x00,
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0x00, 0x09,
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0x01, 0x69,
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0x03, 0x00,
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0x04, 0x00,
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0x07, 0x00,
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0x08, 0x00,
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0x20, 0x00,
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0x21, 0x40,
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0x22, 0x00,
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0x23, 0x00,
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0x24, 0x40,
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0x25, 0x88,
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0x30, 0xff,
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0x31, 0x00,
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0x32, 0xff,
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0x33, 0x00,
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0x34, 0x50,
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0x35, 0x7f,
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0x36, 0x00,
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0x37, 0x20,
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0x38, 0x00,
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0x40, 0x1c,
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0x41, 0xff,
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0x42, 0x29,
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0x43, 0x20,
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0x44, 0xff,
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0x45, 0x00,
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0x46, 0x00,
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0x49, 0x04,
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0x4a, 0xff,
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0x4b, 0x7f,
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0x52, 0x30,
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0x55, 0xae,
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0x56, 0x47,
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0x57, 0xe1,
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0x58, 0x3a,
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0x5a, 0x1e,
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0x5b, 0x34,
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0x60, 0x00,
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0x63, 0x00,
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0x64, 0x00,
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0x65, 0x00,
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0x66, 0x00,
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0x67, 0x00,
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0x68, 0x00,
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0x69, 0x00,
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0x6a, 0x02,
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0x6b, 0x00,
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0x70, 0xff,
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0x71, 0x00,
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0x72, 0x00,
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0x73, 0x00,
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0x74, 0x0c,
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0x80, 0x00,
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0x81, 0x00,
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0x82, 0x00,
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0x83, 0x00,
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0x84, 0x04,
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0x85, 0x80,
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0x86, 0x24,
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0x87, 0x78,
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0x88, 0x00,
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0x89, 0x00,
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0x90, 0x01,
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0x91, 0x01,
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0xa0, 0x00,
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0xa1, 0x00,
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0xa2, 0x00,
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0xb0, 0x91,
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0xb1, 0x0b,
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0xc0, 0x4b,
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0xc1, 0x00,
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0xc2, 0x00,
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0xd0, 0x00,
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0xd1, 0x00,
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0xd2, 0x00,
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0xd3, 0x00,
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0xd4, 0x00,
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0xd5, 0x00,
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0xde, 0x00,
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0xdf, 0x00,
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0x61, 0x38,
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0x62, 0x0a,
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0x53, 0x13,
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0x59, 0x08,
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0x55, 0x00,
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0x56, 0x40,
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0x57, 0x08,
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0x58, 0x3d,
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0x88, 0x10,
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0xa0, 0x00,
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0xa0, 0x00,
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0xa0, 0x00,
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0xa0, 0x04,
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0xff, 0xff,
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};
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static struct stv0297_config dvbc_philips_tdm1316l_config = {
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.demod_address = 0x1c,
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.inittab = dvbc_philips_tdm1316l_inittab,
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.invert = 0,
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};
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static void frontend_init(struct ttusb* ttusb)
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{
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switch(le16_to_cpu(ttusb->dev->descriptor.idProduct)) {
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@ -1413,6 +1582,12 @@ static void frontend_init(struct ttusb* ttusb)
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ttusb->fe->ops->tuner_ops.set_params = alps_tdbe2_tuner_set_params;
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break;
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}
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ttusb->fe = stv0297_attach(&dvbc_philips_tdm1316l_config, &ttusb->i2c_adap);
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if (ttusb->fe != NULL) {
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ttusb->fe->ops->tuner_ops.set_params = dvbc_philips_tdm1316l_tuner_set_params;
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break;
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}
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break;
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case 0x1005: // Hauppauge/TT Nova-USB-t budget (tda10046/Philips td1316(tda6651tt) OR cx22700/ALPS TDMB7(??))
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