[media] af9035: read and store whole eeprom
Read eeprom content to chip state and read values there when needed. Also debug dump eeprom content. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
Родитель
c62d29c817
Коммит
09bfd96ca3
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@ -496,7 +496,8 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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{
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struct state *state = d_to_priv(d);
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struct usb_interface *intf = d->intf;
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int ret, ts_mode_invalid;
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int ret, i, ts_mode_invalid;
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unsigned int utmp, eeprom_addr;
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u8 tmp;
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u8 wbuf[1] = { 1 };
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u8 rbuf[4];
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@ -518,25 +519,48 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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state->prechip_version, state->chip_version, state->chip_type);
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if (state->chip_type == 0x9135) {
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if (state->chip_version == 0x02)
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if (state->chip_version == 0x02) {
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*name = AF9035_FIRMWARE_IT9135_V2;
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else
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utmp = 0x00461d;
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} else {
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*name = AF9035_FIRMWARE_IT9135_V1;
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state->eeprom_addr = EEPROM_BASE_IT9135;
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utmp = 0x00461b;
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}
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/* Check if eeprom exists */
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ret = af9035_rd_reg(d, utmp, &tmp);
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if (ret < 0)
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goto err;
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if (tmp == 0x00) {
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dev_dbg(&intf->dev, "no eeprom\n");
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state->no_eeprom = true;
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goto check_firmware_status;
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}
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eeprom_addr = EEPROM_BASE_IT9135;
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} else if (state->chip_type == 0x9306) {
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*name = AF9035_FIRMWARE_IT9303;
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state->eeprom_addr = EEPROM_BASE_IT9135;
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state->no_eeprom = true;
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goto check_firmware_status;
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} else {
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*name = AF9035_FIRMWARE_AF9035;
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state->eeprom_addr = EEPROM_BASE_AF9035;
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eeprom_addr = EEPROM_BASE_AF9035;
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}
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/* Read and store eeprom */
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for (i = 0; i < 256; i += 32) {
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ret = af9035_rd_regs(d, eeprom_addr + i, &state->eeprom[i], 32);
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if (ret < 0)
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goto err;
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}
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dev_dbg(&intf->dev, "eeprom dump:\n");
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for (i = 0; i < 256; i += 16)
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dev_dbg(&intf->dev, "%*ph\n", 16, &state->eeprom[i]);
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/* check for dual tuner mode */
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ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
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if (ret < 0)
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goto err;
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tmp = state->eeprom[EEPROM_TS_MODE];
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ts_mode_invalid = 0;
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switch (tmp) {
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case 0:
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@ -560,7 +584,7 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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if (ts_mode_invalid)
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dev_info(&intf->dev, "ts mode=%d not supported, defaulting to single tuner mode!", tmp);
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check_firmware_status:
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ret = af9035_ctrl_msg(d, &req);
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if (ret < 0)
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goto err;
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@ -750,11 +774,7 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
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goto err;
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/* tell the slave I2C address */
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ret = af9035_rd_reg(d,
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state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
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&tmp);
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if (ret < 0)
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goto err;
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tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
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/* use default I2C address if eeprom has no address set */
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if (!tmp)
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@ -819,7 +839,7 @@ static int af9035_read_config(struct dvb_usb_device *d)
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struct state *state = d_to_priv(d);
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int ret, i;
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u8 tmp;
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u16 tmp16, addr;
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u16 tmp16;
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/* demod I2C "address" */
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state->af9033_i2c_addr[0] = 0x38;
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@ -837,20 +857,16 @@ static int af9035_read_config(struct dvb_usb_device *d)
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if (state->chip_version == 0x02) {
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state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
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state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
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tmp16 = 0x00461d; /* eeprom memory mapped location */
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} else {
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state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
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state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
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tmp16 = 0x00461b; /* eeprom memory mapped location */
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}
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/* check if eeprom exists */
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ret = af9035_rd_reg(d, tmp16, &tmp);
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if (ret < 0)
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goto err;
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if (state->no_eeprom) {
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/* Remote controller to NEC polling by default */
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state->ir_mode = 0x05;
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state->ir_type = 0x00;
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if (tmp == 0x00) {
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dev_dbg(&intf->dev, "no eeprom\n");
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goto skip_eeprom;
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}
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} else if (state->chip_type == 0x9306) {
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@ -861,29 +877,24 @@ static int af9035_read_config(struct dvb_usb_device *d)
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return 0;
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}
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/* Remote controller */
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state->ir_mode = state->eeprom[EEPROM_IR_MODE];
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state->ir_type = state->eeprom[EEPROM_IR_TYPE];
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if (state->dual_mode) {
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/* read 2nd demodulator I2C address */
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ret = af9035_rd_reg(d,
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state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
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&tmp);
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if (ret < 0)
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goto err;
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tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
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if (tmp)
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state->af9033_i2c_addr[1] = tmp;
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dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n", tmp);
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}
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addr = state->eeprom_addr;
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for (i = 0; i < state->dual_mode + 1; i++) {
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/* tuner */
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ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
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if (ret < 0)
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goto err;
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unsigned int eeprom_offset = 0;
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/* tuner */
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tmp = state->eeprom[EEPROM_1_TUNER_ID + eeprom_offset];
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dev_dbg(&intf->dev, "[%d]tuner=%02x\n", i, tmp);
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/* tuner sanity check */
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@ -956,21 +967,13 @@ static int af9035_read_config(struct dvb_usb_device *d)
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}
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/* tuner IF frequency */
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ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
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if (ret < 0)
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goto err;
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tmp16 = tmp;
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ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
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if (ret < 0)
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goto err;
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tmp = state->eeprom[EEPROM_1_IF_L + eeprom_offset];
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tmp16 = tmp << 0;
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tmp = state->eeprom[EEPROM_1_IF_H + eeprom_offset];
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tmp16 |= tmp << 8;
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dev_dbg(&intf->dev, "[%d]IF=%d\n", i, tmp16);
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addr += 0x10; /* shift for the 2nd tuner params */
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eeprom_offset += 0x10; /* shift for the 2nd tuner params */
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}
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skip_eeprom:
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@ -1872,25 +1875,13 @@ static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
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{
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struct state *state = d_to_priv(d);
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struct usb_interface *intf = d->intf;
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int ret;
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u8 tmp;
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ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
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if (ret < 0)
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goto err;
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dev_dbg(&intf->dev, "ir_mode=%02x\n", tmp);
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dev_dbg(&intf->dev, "ir_mode=%02x ir_type=%02x\n",
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state->ir_mode, state->ir_type);
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/* don't activate rc if in HID mode or if not available */
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if (tmp == 5) {
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ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
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&tmp);
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if (ret < 0)
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goto err;
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dev_dbg(&intf->dev, "ir_type=%02x\n", tmp);
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switch (tmp) {
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if (state->ir_mode == 0x05) {
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switch (state->ir_type) {
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case 0: /* NEC */
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default:
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rc->allowed_protos = RC_BIT_NEC | RC_BIT_NECX |
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@ -1910,11 +1901,6 @@ static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
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}
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return 0;
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err:
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dev_dbg(&intf->dev, "failed=%d\n", ret);
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return ret;
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}
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#else
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#define af9035_get_rc_config NULL
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@ -61,9 +61,12 @@ struct state {
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u8 prechip_version;
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u8 chip_version;
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u16 chip_type;
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u8 eeprom[256];
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bool no_eeprom;
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u8 ir_mode;
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u8 ir_type;
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u8 dual_mode:1;
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u8 no_read:1;
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u16 eeprom_addr;
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u8 af9033_i2c_addr[2];
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struct af9033_config af9033_config[2];
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struct af9033_ops ops;
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