diff options
Diffstat (limited to 'sound/pci/echoaudio/echoaudio.c')
| -rw-r--r-- | sound/pci/echoaudio/echoaudio.c | 220 |
1 files changed, 130 insertions, 90 deletions
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 9bd67ac33657..a62e5581ad14 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -301,38 +301,42 @@ static int pcm_open(struct snd_pcm_substream *substream, snd_pcm_set_sync(substream); /* Only mono and any even number of channels are allowed */ - if ((err = snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - &pipe->constr)) < 0) + err = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &pipe->constr); + if (err < 0) return err; /* All periods should have the same size */ - if ((err = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + err = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) return err; /* The hw accesses memory in chunks 32 frames long and they should be 32-bytes-aligned. It's not a requirement, but it seems that IRQs are generated with a resolution of 32 frames. Thus we need the following */ - if ((err = snd_pcm_hw_constraint_step(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - 32)) < 0) + err = snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32); + if (err < 0) return err; - if ((err = snd_pcm_hw_constraint_step(runtime, 0, - SNDRV_PCM_HW_PARAM_BUFFER_SIZE, - 32)) < 0) + err = snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); + if (err < 0) return err; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, - hw_rule_sample_rate, chip, - SNDRV_PCM_HW_PARAM_RATE, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + hw_rule_sample_rate, chip, + SNDRV_PCM_HW_PARAM_RATE, -1); + if (err < 0) return err; /* Allocate a page for the scatter-gather list */ - if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - &chip->pci->dev, - PAGE_SIZE, &pipe->sgpage)) < 0) { + err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, + &chip->pci->dev, + PAGE_SIZE, &pipe->sgpage); + if (err < 0) { dev_err(chip->card->dev, "s-g list allocation failed\n"); return err; } @@ -358,18 +362,21 @@ static int pcm_analog_in_open(struct snd_pcm_substream *substream) struct echoaudio *chip = snd_pcm_substream_chip(substream); int err; - if ((err = pcm_open(substream, num_analog_busses_in(chip) - - substream->number)) < 0) + err = pcm_open(substream, + num_analog_busses_in(chip) - substream->number); + if (err < 0) return err; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - hw_rule_capture_channels_by_format, NULL, - SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + hw_rule_capture_channels_by_format, NULL, + SNDRV_PCM_HW_PARAM_FORMAT, -1); + if (err < 0) return err; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_FORMAT, - hw_rule_capture_format_by_channels, NULL, - SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_FORMAT, + hw_rule_capture_format_by_channels, NULL, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + if (err < 0) return err; return 0; @@ -387,19 +394,22 @@ static int pcm_analog_out_open(struct snd_pcm_substream *substream) #else max_channels = num_analog_busses_out(chip); #endif - if ((err = pcm_open(substream, max_channels - substream->number)) < 0) + err = pcm_open(substream, max_channels - substream->number); + if (err < 0) return err; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - hw_rule_playback_channels_by_format, - NULL, - SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + hw_rule_playback_channels_by_format, + NULL, + SNDRV_PCM_HW_PARAM_FORMAT, -1); + if (err < 0) return err; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_FORMAT, - hw_rule_playback_format_by_channels, - NULL, - SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_FORMAT, + hw_rule_playback_format_by_channels, + NULL, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + if (err < 0) return err; return 0; @@ -426,15 +436,17 @@ static int pcm_digital_in_open(struct snd_pcm_substream *substream) if (err < 0) goto din_exit; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - hw_rule_capture_channels_by_format, NULL, - SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + hw_rule_capture_channels_by_format, NULL, + SNDRV_PCM_HW_PARAM_FORMAT, -1); + if (err < 0) goto din_exit; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_FORMAT, - hw_rule_capture_format_by_channels, NULL, - SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_FORMAT, + hw_rule_capture_format_by_channels, NULL, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + if (err < 0) goto din_exit; din_exit: @@ -463,17 +475,19 @@ static int pcm_digital_out_open(struct snd_pcm_substream *substream) if (err < 0) goto dout_exit; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - hw_rule_playback_channels_by_format, - NULL, SNDRV_PCM_HW_PARAM_FORMAT, - -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + hw_rule_playback_channels_by_format, + NULL, SNDRV_PCM_HW_PARAM_FORMAT, + -1); + if (err < 0) goto dout_exit; - if ((err = snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_FORMAT, - hw_rule_playback_format_by_channels, - NULL, SNDRV_PCM_HW_PARAM_CHANNELS, - -1)) < 0) + err = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_FORMAT, + hw_rule_playback_format_by_channels, + NULL, SNDRV_PCM_HW_PARAM_CHANNELS, + -1); + if (err < 0) goto dout_exit; dout_exit: @@ -907,8 +921,9 @@ static int snd_echo_new_pcm(struct echoaudio *chip) separated */ /* PCM#0 Virtual outputs and analog inputs */ - if ((err = snd_pcm_new(chip->card, "PCM", 0, num_pipes_out(chip), - num_analog_busses_in(chip), &pcm)) < 0) + err = snd_pcm_new(chip->card, "PCM", 0, num_pipes_out(chip), + num_analog_busses_in(chip), &pcm); + if (err < 0) return err; pcm->private_data = chip; chip->analog_pcm = pcm; @@ -919,8 +934,9 @@ static int snd_echo_new_pcm(struct echoaudio *chip) #ifdef ECHOCARD_HAS_DIGITAL_IO /* PCM#1 Digital inputs, no outputs */ - if ((err = snd_pcm_new(chip->card, "Digital PCM", 1, 0, - num_digital_busses_in(chip), &pcm)) < 0) + err = snd_pcm_new(chip->card, "Digital PCM", 1, 0, + num_digital_busses_in(chip), &pcm); + if (err < 0) return err; pcm->private_data = chip; chip->digital_pcm = pcm; @@ -937,9 +953,10 @@ static int snd_echo_new_pcm(struct echoaudio *chip) register two PCM devices: */ /* PCM#0 Analog i/o */ - if ((err = snd_pcm_new(chip->card, "Analog PCM", 0, - num_analog_busses_out(chip), - num_analog_busses_in(chip), &pcm)) < 0) + err = snd_pcm_new(chip->card, "Analog PCM", 0, + num_analog_busses_out(chip), + num_analog_busses_in(chip), &pcm); + if (err < 0) return err; pcm->private_data = chip; chip->analog_pcm = pcm; @@ -950,9 +967,10 @@ static int snd_echo_new_pcm(struct echoaudio *chip) #ifdef ECHOCARD_HAS_DIGITAL_IO /* PCM#1 Digital i/o */ - if ((err = snd_pcm_new(chip->card, "Digital PCM", 1, - num_digital_busses_out(chip), - num_digital_busses_in(chip), &pcm)) < 0) + err = snd_pcm_new(chip->card, "Digital PCM", 1, + num_digital_busses_out(chip), + num_digital_busses_in(chip), &pcm); + if (err < 0) return err; pcm->private_data = chip; chip->digital_pcm = pcm; @@ -1567,7 +1585,8 @@ static int snd_echo_clock_source_put(struct snd_kcontrol *kcontrol, if (chip->input_clock != dclock) { mutex_lock(&chip->mode_mutex); spin_lock_irq(&chip->lock); - if ((changed = set_input_clock(chip, dclock)) == 0) + changed = set_input_clock(chip, dclock); + if (!changed) changed = 1; /* no errors */ spin_unlock_irq(&chip->lock); mutex_unlock(&chip->mode_mutex); @@ -1911,7 +1930,8 @@ static int snd_echo_create(struct snd_card *card, pci_write_config_byte(pci, PCI_LATENCY_TIMER, 0xC0); - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; pci_set_master(pci); @@ -1943,8 +1963,9 @@ static int snd_echo_create(struct snd_card *card, if (sz > PAGE_SIZE) sz = PAGE_SIZE; /* We map only the required part */ - if ((chip->iores = request_mem_region(chip->dsp_registers_phys, sz, - ECHOCARD_NAME)) == NULL) { + chip->iores = request_mem_region(chip->dsp_registers_phys, sz, + ECHOCARD_NAME); + if (!chip->iores) { dev_err(chip->card->dev, "cannot get memory region\n"); snd_echo_free(chip); return -EBUSY; @@ -1988,7 +2009,8 @@ static int snd_echo_create(struct snd_card *card, return err; } - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { snd_echo_free(chip); return err; } @@ -2024,7 +2046,8 @@ static int snd_echo_probe(struct pci_dev *pci, return err; chip = NULL; /* Tells snd_echo_create to allocate chip */ - if ((err = snd_echo_create(card, pci, &chip)) < 0) { + err = snd_echo_create(card, pci, &chip); + if (err < 0) { snd_card_free(card); return err; } @@ -2040,7 +2063,8 @@ static int snd_echo_probe(struct pci_dev *pci, card->shortname, pci_id->subdevice & 0x000f, dsp, chip->dsp_registers_phys, chip->irq); - if ((err = snd_echo_new_pcm(chip)) < 0) { + err = snd_echo_new_pcm(chip); + if (err < 0) { dev_err(chip->card->dev, "new pcm error %d\n", err); snd_card_free(card); return err; @@ -2048,7 +2072,8 @@ static int snd_echo_probe(struct pci_dev *pci, #ifdef ECHOCARD_HAS_MIDI if (chip->has_midi) { /* Some Mia's do not have midi */ - if ((err = snd_echo_midi_create(card, chip)) < 0) { + err = snd_echo_midi_create(card, chip); + if (err < 0) { dev_err(chip->card->dev, "new midi error %d\n", err); snd_card_free(card); return err; @@ -2058,7 +2083,8 @@ static int snd_echo_probe(struct pci_dev *pci, #ifdef ECHOCARD_HAS_VMIXER snd_echo_vmixer.count = num_pipes_out(chip) * num_busses_out(chip); - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip)); + if (err < 0) goto ctl_error; #ifdef ECHOCARD_HAS_LINE_OUT_GAIN err = snd_ctl_add(chip->card, @@ -2074,39 +2100,48 @@ static int snd_echo_probe(struct pci_dev *pci, #endif /* ECHOCARD_HAS_VMIXER */ #ifdef ECHOCARD_HAS_INPUT_GAIN - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip)); + if (err < 0) goto ctl_error; #endif #ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL - if (!chip->hasnt_input_nominal_level) - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_intput_nominal_level, chip))) < 0) + if (!chip->hasnt_input_nominal_level) { + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_intput_nominal_level, chip)); + if (err < 0) goto ctl_error; + } #endif #ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_output_nominal_level, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_output_nominal_level, chip)); + if (err < 0) goto ctl_error; #endif - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters_switch, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters_switch, chip)); + if (err < 0) goto ctl_error; - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters, chip)); + if (err < 0) goto ctl_error; #ifdef ECHOCARD_HAS_MONITOR snd_echo_monitor_mixer.count = num_busses_in(chip) * num_busses_out(chip); - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_monitor_mixer, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_monitor_mixer, chip)); + if (err < 0) goto ctl_error; #endif #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_automute_switch, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_automute_switch, chip)); + if (err < 0) goto ctl_error; #endif - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_channels_info, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_channels_info, chip)); + if (err < 0) goto ctl_error; #ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH @@ -2116,7 +2151,8 @@ static int snd_echo_probe(struct pci_dev *pci, if (chip->digital_modes & (1 << i)) chip->digital_mode_list[chip->num_digital_modes++] = i; - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_digital_mode_switch, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_digital_mode_switch, chip)); + if (err < 0) goto ctl_error; #endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */ @@ -2129,20 +2165,24 @@ static int snd_echo_probe(struct pci_dev *pci, if (chip->num_clock_sources > 1) { chip->clock_src_ctl = snd_ctl_new1(&snd_echo_clock_source_switch, chip); - if ((err = snd_ctl_add(chip->card, chip->clock_src_ctl)) < 0) + err = snd_ctl_add(chip->card, chip->clock_src_ctl); + if (err < 0) goto ctl_error; } #endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */ #ifdef ECHOCARD_HAS_DIGITAL_IO - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_spdif_mode_switch, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_spdif_mode_switch, chip)); + if (err < 0) goto ctl_error; #endif #ifdef ECHOCARD_HAS_PHANTOM_POWER - if (chip->has_phantom_power) - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_phantom_power_switch, chip))) < 0) + if (chip->has_phantom_power) { + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_phantom_power_switch, chip)); + if (err < 0) goto ctl_error; + } #endif err = snd_card_register(card); |