diff options
Diffstat (limited to 'drivers/media/dvb/frontends/tda1004x.c')
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.c | 193 |
1 files changed, 97 insertions, 96 deletions
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index 0beb370792ae..8428c04914e4 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c | |||
@@ -49,10 +49,8 @@ struct tda1004x_state { | |||
49 | /* private demod data */ | 49 | /* private demod data */ |
50 | u8 initialised; | 50 | u8 initialised; |
51 | enum tda1004x_demod demod_type; | 51 | enum tda1004x_demod demod_type; |
52 | u8 fw_version; | ||
53 | }; | 52 | }; |
54 | 53 | ||
55 | |||
56 | static int debug; | 54 | static int debug; |
57 | #define dprintk(args...) \ | 55 | #define dprintk(args...) \ |
58 | do { \ | 56 | do { \ |
@@ -315,20 +313,35 @@ static int tda1004x_do_upload(struct tda1004x_state *state, | |||
315 | memcpy(buf + 1, mem + pos, tx_size); | 313 | memcpy(buf + 1, mem + pos, tx_size); |
316 | fw_msg.len = tx_size + 1; | 314 | fw_msg.len = tx_size + 1; |
317 | if (i2c_transfer(state->i2c, &fw_msg, 1) != 1) { | 315 | if (i2c_transfer(state->i2c, &fw_msg, 1) != 1) { |
318 | printk("tda1004x: Error during firmware upload\n"); | 316 | printk(KERN_ERR "tda1004x: Error during firmware upload\n"); |
319 | return -EIO; | 317 | return -EIO; |
320 | } | 318 | } |
321 | pos += tx_size; | 319 | pos += tx_size; |
322 | 320 | ||
323 | dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos); | 321 | dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos); |
324 | } | 322 | } |
323 | // give the DSP a chance to settle 03/10/05 Hac | ||
324 | msleep(100); | ||
325 | 325 | ||
326 | return 0; | 326 | return 0; |
327 | } | 327 | } |
328 | 328 | ||
329 | static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion) | 329 | static int tda1004x_check_upload_ok(struct tda1004x_state *state) |
330 | { | 330 | { |
331 | u8 data1, data2; | 331 | u8 data1, data2; |
332 | unsigned long timeout; | ||
333 | |||
334 | if (state->demod_type == TDA1004X_DEMOD_TDA10046) { | ||
335 | timeout = jiffies + 2 * HZ; | ||
336 | while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) { | ||
337 | if (time_after(jiffies, timeout)) { | ||
338 | printk(KERN_ERR "tda1004x: timeout waiting for DSP ready\n"); | ||
339 | break; | ||
340 | } | ||
341 | msleep(1); | ||
342 | } | ||
343 | } else | ||
344 | msleep(100); | ||
332 | 345 | ||
333 | // check upload was OK | 346 | // check upload was OK |
334 | tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0); // we want to read from the DSP | 347 | tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0); // we want to read from the DSP |
@@ -336,9 +349,11 @@ static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion) | |||
336 | 349 | ||
337 | data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1); | 350 | data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1); |
338 | data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2); | 351 | data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2); |
339 | if ((data1 != 0x67) || (data2 != dspVersion)) | 352 | if (data1 != 0x67 || data2 < 0x20 || data2 > 0x2a) { |
353 | printk(KERN_INFO "tda1004x: found firmware revision %x -- invalid\n", data2); | ||
340 | return -EIO; | 354 | return -EIO; |
341 | 355 | } | |
356 | printk(KERN_INFO "tda1004x: found firmware revision %x -- ok\n", data2); | ||
342 | return 0; | 357 | return 0; |
343 | } | 358 | } |
344 | 359 | ||
@@ -349,14 +364,14 @@ static int tda10045_fwupload(struct dvb_frontend* fe) | |||
349 | const struct firmware *fw; | 364 | const struct firmware *fw; |
350 | 365 | ||
351 | /* don't re-upload unless necessary */ | 366 | /* don't re-upload unless necessary */ |
352 | if (tda1004x_check_upload_ok(state, 0x2c) == 0) | 367 | if (tda1004x_check_upload_ok(state) == 0) |
353 | return 0; | 368 | return 0; |
354 | 369 | ||
355 | /* request the firmware, this will block until someone uploads it */ | 370 | /* request the firmware, this will block until someone uploads it */ |
356 | printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE); | 371 | printk(KERN_INFO "tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE); |
357 | ret = state->config->request_firmware(fe, &fw, TDA10045_DEFAULT_FIRMWARE); | 372 | ret = state->config->request_firmware(fe, &fw, TDA10045_DEFAULT_FIRMWARE); |
358 | if (ret) { | 373 | if (ret) { |
359 | printk("tda1004x: no firmware upload (timeout or file not found?)\n"); | 374 | printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n"); |
360 | return ret; | 375 | return ret; |
361 | } | 376 | } |
362 | 377 | ||
@@ -372,93 +387,81 @@ static int tda10045_fwupload(struct dvb_frontend* fe) | |||
372 | ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN); | 387 | ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN); |
373 | if (ret) | 388 | if (ret) |
374 | return ret; | 389 | return ret; |
375 | printk("tda1004x: firmware upload complete\n"); | 390 | printk(KERN_INFO "tda1004x: firmware upload complete\n"); |
376 | 391 | ||
377 | /* wait for DSP to initialise */ | 392 | /* wait for DSP to initialise */ |
378 | /* DSPREADY doesn't seem to work on the TDA10045H */ | 393 | /* DSPREADY doesn't seem to work on the TDA10045H */ |
379 | msleep(100); | 394 | msleep(100); |
380 | 395 | ||
381 | return tda1004x_check_upload_ok(state, 0x2c); | 396 | return tda1004x_check_upload_ok(state); |
382 | } | 397 | } |
383 | 398 | ||
384 | static int tda10046_get_fw_version(struct tda1004x_state *state, | 399 | static void tda10046_init_plls(struct dvb_frontend* fe) |
385 | const struct firmware *fw) | ||
386 | { | 400 | { |
387 | const unsigned char pattern[] = { 0x67, 0x00, 0x50, 0x62, 0x5e, 0x18, 0x67 }; | 401 | struct tda1004x_state* state = fe->demodulator_priv; |
388 | unsigned int i; | ||
389 | |||
390 | /* area guessed from firmware v20, v21 and v25 */ | ||
391 | for (i = 0x660; i < 0x700; i++) { | ||
392 | if (!memcmp(&fw->data[i], pattern, sizeof(pattern))) { | ||
393 | state->fw_version = fw->data[i + sizeof(pattern)]; | ||
394 | printk(KERN_INFO "tda1004x: using firmware v%02x\n", | ||
395 | state->fw_version); | ||
396 | return 0; | ||
397 | } | ||
398 | } | ||
399 | 402 | ||
400 | return -EINVAL; | 403 | tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0); |
404 | tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10 | ||
405 | if (state->config->xtal_freq == TDA10046_XTAL_4M ) { | ||
406 | dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__); | ||
407 | tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0 | ||
408 | } else { | ||
409 | dprintk("%s: setting up PLLs for a 16 MHz Xtal\n", __FUNCTION__); | ||
410 | tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 3); // PLL P = 0, N = 3 | ||
411 | } | ||
412 | tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); | ||
413 | switch (state->config->if_freq) { | ||
414 | case TDA10046_FREQ_3617: | ||
415 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); | ||
416 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); | ||
417 | break; | ||
418 | case TDA10046_FREQ_3613: | ||
419 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); | ||
420 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x13); | ||
421 | break; | ||
422 | } | ||
423 | tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz | ||
401 | } | 424 | } |
402 | 425 | ||
403 | static int tda10046_fwupload(struct dvb_frontend* fe) | 426 | static int tda10046_fwupload(struct dvb_frontend* fe) |
404 | { | 427 | { |
405 | struct tda1004x_state* state = fe->demodulator_priv; | 428 | struct tda1004x_state* state = fe->demodulator_priv; |
406 | unsigned long timeout; | ||
407 | int ret; | 429 | int ret; |
408 | const struct firmware *fw; | 430 | const struct firmware *fw; |
409 | 431 | ||
410 | /* reset + wake up chip */ | 432 | /* reset + wake up chip */ |
411 | tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0); | 433 | tda1004x_write_byteI(state, TDA1004X_CONFC4, 0); |
412 | tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0); | 434 | tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0); |
413 | msleep(100); | 435 | /* let the clocks recover from sleep */ |
436 | msleep(5); | ||
414 | 437 | ||
415 | /* don't re-upload unless necessary */ | 438 | /* don't re-upload unless necessary */ |
416 | if (tda1004x_check_upload_ok(state, state->fw_version) == 0) | 439 | if (tda1004x_check_upload_ok(state) == 0) |
417 | return 0; | 440 | return 0; |
418 | 441 | ||
419 | /* request the firmware, this will block until someone uploads it */ | ||
420 | printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE); | ||
421 | ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE); | ||
422 | if (ret) { | ||
423 | printk("tda1004x: no firmware upload (timeout or file not found?)\n"); | ||
424 | return ret; | ||
425 | } | ||
426 | |||
427 | if (fw->size < 24478) { /* size of firmware v20, which is the smallest of v20, v21 and v25 */ | ||
428 | printk("tda1004x: firmware file seems to be too small (%d bytes)\n", fw->size); | ||
429 | return -EINVAL; | ||
430 | } | ||
431 | |||
432 | ret = tda10046_get_fw_version(state, fw); | ||
433 | if (ret < 0) { | ||
434 | printk("tda1004x: unable to find firmware version\n"); | ||
435 | return ret; | ||
436 | } | ||
437 | |||
438 | /* set parameters */ | 442 | /* set parameters */ |
439 | tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); | 443 | tda10046_init_plls(fe); |
440 | tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); | 444 | |
441 | tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); | 445 | if (state->config->request_firmware != NULL) { |
442 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); | 446 | /* request the firmware, this will block until someone uploads it */ |
443 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); | 447 | printk(KERN_INFO "tda1004x: waiting for firmware upload...\n"); |
444 | tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST | 448 | ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE); |
445 | 449 | if (ret) { | |
446 | ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN); | 450 | printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n"); |
447 | if (ret) | 451 | return ret; |
448 | return ret; | ||
449 | printk("tda1004x: firmware upload complete\n"); | ||
450 | |||
451 | /* wait for DSP to initialise */ | ||
452 | timeout = jiffies + HZ; | ||
453 | while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) { | ||
454 | if (time_after(jiffies, timeout)) { | ||
455 | printk("tda1004x: DSP failed to initialised.\n"); | ||
456 | return -EIO; | ||
457 | } | 452 | } |
458 | msleep(1); | 453 | tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST |
454 | ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN); | ||
455 | if (ret) | ||
456 | return ret; | ||
457 | } else { | ||
458 | /* boot from firmware eeprom */ | ||
459 | /* Hac Note: we might need to do some GPIO Magic here */ | ||
460 | printk(KERN_INFO "tda1004x: booting from eeprom\n"); | ||
461 | tda1004x_write_mask(state, TDA1004X_CONFC4, 4, 4); | ||
462 | msleep(300); | ||
459 | } | 463 | } |
460 | 464 | return tda1004x_check_upload_ok(state); | |
461 | return tda1004x_check_upload_ok(state, state->fw_version); | ||
462 | } | 465 | } |
463 | 466 | ||
464 | static int tda1004x_encode_fec(int fec) | 467 | static int tda1004x_encode_fec(int fec) |
@@ -560,12 +563,10 @@ static int tda10046_init(struct dvb_frontend* fe) | |||
560 | 563 | ||
561 | if (tda10046_fwupload(fe)) { | 564 | if (tda10046_fwupload(fe)) { |
562 | printk("tda1004x: firmware upload failed\n"); | 565 | printk("tda1004x: firmware upload failed\n"); |
563 | return -EIO; | 566 | return -EIO; |
564 | } | 567 | } |
565 | 568 | ||
566 | tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0); // wake up the chip | 569 | // Init the tuner PLL |
567 | |||
568 | // Init the PLL | ||
569 | if (state->config->pll_init) { | 570 | if (state->config->pll_init) { |
570 | tda1004x_enable_tuner_i2c(state); | 571 | tda1004x_enable_tuner_i2c(state); |
571 | state->config->pll_init(fe); | 572 | state->config->pll_init(fe); |
@@ -574,32 +575,34 @@ static int tda10046_init(struct dvb_frontend* fe) | |||
574 | 575 | ||
575 | // tda setup | 576 | // tda setup |
576 | tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer | 577 | tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer |
577 | tda1004x_write_mask(state, TDA1004X_CONFC1, 0x40, 0x40); | 578 | tda1004x_write_byteI(state, TDA1004X_AUTO, 7); // select HP stream |
578 | tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream | 579 | tda1004x_write_byteI(state, TDA1004X_CONFC1, 8); // disable pulse killer |
579 | tda1004x_write_mask(state, TDA1004X_CONFC1, 0x80, 0); // disable pulse killer | 580 | |
580 | tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10 | 581 | tda10046_init_plls(fe); |
581 | tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); // PLL P = N = 0 | 582 | switch (state->config->agc_config) { |
582 | tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); // FREQOFFS = 99 | 583 | case TDA10046_AGC_DEFAULT: |
583 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); // } PHY2 = -11221 | 584 | tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x00); // AGC setup |
584 | tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); // } | 585 | tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities |
585 | tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0); // AGC setup | 586 | break; |
586 | tda1004x_write_mask(state, TDA10046H_CONF_POLARITY, 0x60, 0x60); // set AGC polarities | 587 | case TDA10046_AGC_IFO_AUTO_NEG: |
588 | tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup | ||
589 | tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities | ||
590 | break; | ||
591 | } | ||
592 | tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on | ||
587 | tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // } | 593 | tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // } |
588 | tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values | 594 | tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values |
589 | tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // } | 595 | tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // } |
590 | tda1004x_write_byteI(state, TDA10046H_AGC_IF_MAX, 0xff); // } | 596 | tda1004x_write_byteI(state, TDA10046H_AGC_IF_MAX, 0xff); // } |
591 | tda1004x_write_mask(state, TDA10046H_CVBER_CTRL, 0x30, 0x10); // 10^6 VBER measurement bits | ||
592 | tda1004x_write_byteI(state, TDA10046H_AGC_GAINS, 1); // IF gain 2, TUN gain 1 | 597 | tda1004x_write_byteI(state, TDA10046H_AGC_GAINS, 1); // IF gain 2, TUN gain 1 |
593 | tda1004x_write_mask(state, TDA1004X_AUTO, 0x80, 0); // crystal is 50ppm | 598 | tda1004x_write_byteI(state, TDA10046H_CVBER_CTRL, 0x1a); // 10^6 VBER measurement bits |
594 | tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config | 599 | tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config |
595 | tda1004x_write_mask(state, TDA1004X_CONF_TS2, 0x31, 0); // MPEG2 interface config | 600 | tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config |
596 | tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 0x9e, 0); // disable AGC_TUN | 601 | tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7); |
602 | |||
597 | tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE2, 0xe1); // tristate setup | 603 | tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE2, 0xe1); // tristate setup |
598 | tda1004x_write_byteI(state, TDA10046H_GPIO_OUT_SEL, 0xcc); // GPIO output config | 604 | tda1004x_write_byteI(state, TDA10046H_GPIO_OUT_SEL, 0xcc); // GPIO output config |
599 | tda1004x_write_mask(state, TDA10046H_GPIO_SELECT, 8, 8); // GPIO select | 605 | tda1004x_write_byteI(state, TDA10046H_GPIO_SELECT, 8); // GPIO select |
600 | tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz | ||
601 | |||
602 | tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7); | ||
603 | 606 | ||
604 | state->initialised = 1; | 607 | state->initialised = 1; |
605 | return 0; | 608 | return 0; |
@@ -629,9 +632,6 @@ static int tda1004x_set_fe(struct dvb_frontend* fe, | |||
629 | state->config->pll_set(fe, fe_params); | 632 | state->config->pll_set(fe, fe_params); |
630 | tda1004x_disable_tuner_i2c(state); | 633 | tda1004x_disable_tuner_i2c(state); |
631 | 634 | ||
632 | if (state->demod_type == TDA1004X_DEMOD_TDA10046) | ||
633 | tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 4); | ||
634 | |||
635 | // Hardcoded to use auto as much as possible on the TDA10045 as it | 635 | // Hardcoded to use auto as much as possible on the TDA10045 as it |
636 | // is very unreliable if AUTO mode is _not_ used. | 636 | // is very unreliable if AUTO mode is _not_ used. |
637 | if (state->demod_type == TDA1004X_DEMOD_TDA10045) { | 637 | if (state->demod_type == TDA1004X_DEMOD_TDA10045) { |
@@ -1090,6 +1090,8 @@ static int tda1004x_sleep(struct dvb_frontend* fe) | |||
1090 | 1090 | ||
1091 | case TDA1004X_DEMOD_TDA10046: | 1091 | case TDA1004X_DEMOD_TDA10046: |
1092 | tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1); | 1092 | tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1); |
1093 | if (state->config->pll_sleep != NULL) | ||
1094 | state->config->pll_sleep(fe); | ||
1093 | break; | 1095 | break; |
1094 | } | 1096 | } |
1095 | state->initialised = 0; | 1097 | state->initialised = 0; |
@@ -1216,7 +1218,6 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, | |||
1216 | memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops)); | 1218 | memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops)); |
1217 | state->initialised = 0; | 1219 | state->initialised = 0; |
1218 | state->demod_type = TDA1004X_DEMOD_TDA10046; | 1220 | state->demod_type = TDA1004X_DEMOD_TDA10046; |
1219 | state->fw_version = 0x20; /* dummy default value */ | ||
1220 | 1221 | ||
1221 | /* check if the demod is there */ | 1222 | /* check if the demod is there */ |
1222 | if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) { | 1223 | if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) { |